./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash f738259e7c2d3662066b95c4aab3281c90ec8887937cabf5a1f2a35c9ff839d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:14,675 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:14,758 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:59:14,764 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:14,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:14,793 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:14,793 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:14,794 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:14,795 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:14,795 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:14,796 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:14,797 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:14,797 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:14,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:14,799 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:14,799 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:14,800 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:14,800 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:14,801 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:59:14,801 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:14,802 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:14,803 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:14,803 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:14,804 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:14,805 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:14,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:14,806 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:14,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:14,807 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:14,807 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:14,808 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:14,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:14,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:14,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:14,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:14,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:59:14,815 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:59:14,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:14,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:14,816 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:14,816 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:14,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:14,818 INFO L153 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f738259e7c2d3662066b95c4aab3281c90ec8887937cabf5a1f2a35c9ff839d0 [2023-11-26 11:59:15,127 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:15,169 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:15,172 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:15,174 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:15,174 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:15,175 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i [2023-11-26 11:59:18,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:18,562 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:18,563 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i [2023-11-26 11:59:18,578 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data/a5afa521f/8fc46af482694d9cbd8949ce25466381/FLAGfe08c1d6c [2023-11-26 11:59:18,597 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data/a5afa521f/8fc46af482694d9cbd8949ce25466381 [2023-11-26 11:59:18,607 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:18,610 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:18,614 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:18,615 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:18,620 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:18,621 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:18" (1/1) ... [2023-11-26 11:59:18,622 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e437b7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:18, skipping insertion in model container [2023-11-26 11:59:18,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:18" (1/1) ... [2023-11-26 11:59:18,665 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:18,853 WARN L240 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i[916,929] [2023-11-26 11:59:18,902 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:18,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:18,935 WARN L240 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i[916,929] [2023-11-26 11:59:18,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:19,013 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:19,014 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19 WrapperNode [2023-11-26 11:59:19,014 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:19,015 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:19,016 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:19,016 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:19,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,037 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,090 INFO L138 Inliner]: procedures = 29, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-26 11:59:19,091 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:19,092 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:19,092 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:19,092 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:19,105 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,105 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,113 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,155 INFO L175 MemorySlicer]: Split 108 memory accesses to 2 slices as follows [2, 106]. 98 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10]. The 12 writes are split as follows [0, 12]. [2023-11-26 11:59:19,156 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,156 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,186 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,194 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,210 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,213 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,218 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:19,220 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:19,220 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:19,220 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:19,221 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (1/1) ... [2023-11-26 11:59:19,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:19,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:19,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:19,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 11:59:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 11:59:19,391 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 11:59:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 11:59:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 11:59:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 11:59:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 11:59:19,392 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 11:59:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 11:59:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 11:59:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:19,393 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:19,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:59:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 11:59:19,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:19,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:19,519 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:19,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:19,986 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:20,045 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:20,046 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:20,047 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:20 BoogieIcfgContainer [2023-11-26 11:59:20,047 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:20,050 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:20,050 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:20,054 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:20,054 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:18" (1/3) ... [2023-11-26 11:59:20,055 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58077f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:20, skipping insertion in model container [2023-11-26 11:59:20,055 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:19" (2/3) ... [2023-11-26 11:59:20,056 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@58077f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:20, skipping insertion in model container [2023-11-26 11:59:20,056 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:20" (3/3) ... [2023-11-26 11:59:20,057 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-29.i [2023-11-26 11:59:20,078 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:20,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:20,137 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:20,144 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=LoopHeads, 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;@7d73fb38, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:20,144 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:20,148 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 72 states have (on average 1.5) internal successors, (108), 73 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:20,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:20,159 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:20,160 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:20,160 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:20,167 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:20,167 INFO L85 PathProgramCache]: Analyzing trace with hash 1146688191, now seen corresponding path program 1 times [2023-11-26 11:59:20,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:20,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297713083] [2023-11-26 11:59:20,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:20,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:20,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,461 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:59:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 11:59:20,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:59:20,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 11:59:20,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 11:59:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 11:59:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:20,503 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:59:20,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:20,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297713083] [2023-11-26 11:59:20,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297713083] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:20,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:20,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:20,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1422820754] [2023-11-26 11:59:20,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:20,512 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:20,512 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:20,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:20,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:20,560 INFO L87 Difference]: Start difference. First operand has 81 states, 72 states have (on average 1.5) internal successors, (108), 73 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:59:20,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:20,620 INFO L93 Difference]: Finished difference Result 159 states and 244 transitions. [2023-11-26 11:59:20,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:20,623 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-11-26 11:59:20,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:20,632 INFO L225 Difference]: With dead ends: 159 [2023-11-26 11:59:20,632 INFO L226 Difference]: Without dead ends: 79 [2023-11-26 11:59:20,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:20,640 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:20,642 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:20,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-26 11:59:20,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-26 11:59:20,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 71 states have internal predecessors, (103), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:20,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2023-11-26 11:59:20,692 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 68 [2023-11-26 11:59:20,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:20,692 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2023-11-26 11:59:20,693 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.5) internal successors, (41), 2 states have internal predecessors, (41), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:59:20,693 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2023-11-26 11:59:20,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:20,697 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:20,697 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:20,698 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:59:20,698 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:20,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:20,699 INFO L85 PathProgramCache]: Analyzing trace with hash -1845355401, now seen corresponding path program 1 times [2023-11-26 11:59:20,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:20,700 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047749747] [2023-11-26 11:59:20,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:20,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:20,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,055 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:59:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,063 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 11:59:21,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,071 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:59:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,075 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 11:59:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 11:59:21,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,084 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 11:59:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,090 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:59:21,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:21,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047749747] [2023-11-26 11:59:21,091 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047749747] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:21,091 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:21,091 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:59:21,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755742838] [2023-11-26 11:59:21,092 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:21,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:21,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:21,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:21,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:21,096 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:21,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:21,206 INFO L93 Difference]: Finished difference Result 165 states and 240 transitions. [2023-11-26 11:59:21,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:59:21,212 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-11-26 11:59:21,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:21,214 INFO L225 Difference]: With dead ends: 165 [2023-11-26 11:59:21,214 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 11:59:21,215 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:59:21,217 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:21,218 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 321 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:21,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 11:59:21,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 81. [2023-11-26 11:59:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 73 states have (on average 1.4383561643835616) internal successors, (105), 73 states have internal predecessors, (105), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:21,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 117 transitions. [2023-11-26 11:59:21,230 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 117 transitions. Word has length 68 [2023-11-26 11:59:21,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:21,232 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 117 transitions. [2023-11-26 11:59:21,232 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:21,232 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 117 transitions. [2023-11-26 11:59:21,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:21,235 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:21,235 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:21,236 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:59:21,236 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:21,236 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1788097099, now seen corresponding path program 1 times [2023-11-26 11:59:21,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192590530] [2023-11-26 11:59:21,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-26 11:59:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2023-11-26 11:59:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2023-11-26 11:59:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2023-11-26 11:59:21,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-26 11:59:21,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,392 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-26 11:59:21,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:21,396 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:59:21,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:59:21,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192590530] [2023-11-26 11:59:21,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192590530] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:21,397 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:21,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 11:59:21,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893546649] [2023-11-26 11:59:21,397 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:21,402 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 11:59:21,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:59:21,403 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 11:59:21,404 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 11:59:21,405 INFO L87 Difference]: Start difference. First operand 81 states and 117 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:21,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:21,470 INFO L93 Difference]: Finished difference Result 165 states and 238 transitions. [2023-11-26 11:59:21,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 11:59:21,471 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-11-26 11:59:21,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:21,474 INFO L225 Difference]: With dead ends: 165 [2023-11-26 11:59:21,475 INFO L226 Difference]: Without dead ends: 85 [2023-11-26 11:59:21,476 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:59:21,479 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 3 mSDsluCounter, 213 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 322 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:21,480 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 322 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:21,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-26 11:59:21,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 83. [2023-11-26 11:59:21,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 75 states have (on average 1.4266666666666667) internal successors, (107), 75 states have internal predecessors, (107), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:21,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 119 transitions. [2023-11-26 11:59:21,499 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 119 transitions. Word has length 68 [2023-11-26 11:59:21,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:21,500 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 119 transitions. [2023-11-26 11:59:21,500 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:21,500 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 119 transitions. [2023-11-26 11:59:21,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:21,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:21,503 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:21,503 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:59:21,504 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:21,504 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:21,504 INFO L85 PathProgramCache]: Analyzing trace with hash -1788037517, now seen corresponding path program 1 times [2023-11-26 11:59:21,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:59:21,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1223542880] [2023-11-26 11:59:21,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:21,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:59:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,643 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 11:59:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 11:59:21,811 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 11:59:21,811 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 11:59:21,814 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:59:21,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:59:21,823 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 11:59:21,827 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:59:21,881 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 11:59:21,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 11:59:21,883 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-26 11:59:21,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-26 11:59:21,884 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-26 11:59:21,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 11:59:21,885 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-26 11:59:21,886 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-26 11:59:21,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 11:59:21,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-26 11:59:21,888 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-26 11:59:21,889 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:59:21,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:59:21,890 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 11:59:21,891 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-26 11:59:21,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:59:21,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 11:59:21,892 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-26 11:59:21,893 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-26 11:59:21,894 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 11:59:21,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 11:59:21,895 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-26 11:59:21,896 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-26 11:59:21,897 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-26 11:59:21,899 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 11:59:21,905 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 11:59:21,909 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem26 could not be translated [2023-11-26 11:59:21,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-26 11:59:21,911 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite30 could not be translated [2023-11-26 11:59:21,912 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-26 11:59:21,913 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated [2023-11-26 11:59:21,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:59:21,914 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:59:21,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 11:59:21,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 11:59:21,915 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-26 11:59:21,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated [2023-11-26 11:59:21,916 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:59:21,917 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:59:21,918 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 11:59:21,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:59:21,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated [2023-11-26 11:59:21,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-26 11:59:21,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:59:21,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 11:59:21,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 11:59:21,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated [2023-11-26 11:59:21,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-26 11:59:21,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 11:59:21,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:59:21,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:59:21,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated [2023-11-26 11:59:21,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 11:59:21,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated [2023-11-26 11:59:21,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:59:21,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:59:21,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-26 11:59:21,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 11:59:21,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated [2023-11-26 11:59:21,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-26 11:59:21,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated [2023-11-26 11:59:21,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated [2023-11-26 11:59:21,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated [2023-11-26 11:59:21,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated [2023-11-26 11:59:21,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 11:59:21,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-26 11:59:21,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 11:59:21,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 11:59:21,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated [2023-11-26 11:59:21,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:59:21 BoogieIcfgContainer [2023-11-26 11:59:21,958 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:59:21,958 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:59:21,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:59:21,959 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:59:21,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:20" (3/4) ... [2023-11-26 11:59:21,963 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 11:59:21,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:59:21,967 INFO L158 Benchmark]: Toolchain (without parser) took 3354.77ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 110.5MB in the beginning and 160.7MB in the end (delta: -50.2MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,967 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:21,970 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.27ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 95.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,975 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.61ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 92.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,975 INFO L158 Benchmark]: Boogie Preprocessor took 126.99ms. Allocated memory is still 155.2MB. Free memory was 92.3MB in the beginning and 88.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,976 INFO L158 Benchmark]: RCFGBuilder took 827.54ms. Allocated memory is still 155.2MB. Free memory was 87.8MB in the beginning and 98.7MB in the end (delta: -11.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. [2023-11-26 11:59:21,977 INFO L158 Benchmark]: TraceAbstraction took 1907.50ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 97.9MB in the beginning and 161.7MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:21,977 INFO L158 Benchmark]: Witness Printer took 5.82ms. Allocated memory is still 213.9MB. Free memory was 161.7MB in the beginning and 160.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:59:21,988 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 155.2MB. Free memory is still 130.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 400.27ms. Allocated memory is still 155.2MB. Free memory was 110.3MB in the beginning and 95.8MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.61ms. Allocated memory is still 155.2MB. Free memory was 95.8MB in the beginning and 92.3MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 126.99ms. Allocated memory is still 155.2MB. Free memory was 92.3MB in the beginning and 88.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 827.54ms. Allocated memory is still 155.2MB. Free memory was 87.8MB in the beginning and 98.7MB in the end (delta: -11.0MB). Peak memory consumption was 5.5MB. Max. memory is 16.1GB. * TraceAbstraction took 1907.50ms. Allocated memory was 155.2MB in the beginning and 213.9MB in the end (delta: 58.7MB). Free memory was 97.9MB in the beginning and 161.7MB in the end (delta: -63.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.82ms. Allocated memory is still 213.9MB. Free memory was 161.7MB in the beginning and 160.7MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem26 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short115 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short112 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short87 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * 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: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 59. Possible FailurePath: [L34] unsigned char isInitial = 0; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L35-L46] struct WrapperStruct00 WrapperStruct00 = { 2.5, 9.3, 3.4, 32, 1, 8, 5, 1, 1, 8 }; [L95] isInitial = 1 [L96] FCALL initially() [L97] COND TRUE 1 [L98] FCALL updateLastVariables() [L99] CALL updateVariables() [L77] WrapperStruct00.var_1_3 = __VERIFIER_nondet_float() [L78] EXPR WrapperStruct00.var_1_3 [L78] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L78] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F [L78] EXPR WrapperStruct00.var_1_3 [L78] EXPR WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L78] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L78] EXPR (WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L78] CALL assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L78] RET assume_abort_if_not((WrapperStruct00.var_1_3 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_3 <= -1.0e-20F) || (WrapperStruct00.var_1_3 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_3 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L79] WrapperStruct00.var_1_4 = __VERIFIER_nondet_float() [L80] EXPR WrapperStruct00.var_1_4 [L80] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L80] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F [L80] EXPR WrapperStruct00.var_1_4 [L80] EXPR WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1] [L80] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L80] EXPR (WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1] [L80] CALL assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L80] RET assume_abort_if_not((WrapperStruct00.var_1_4 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_4 <= -1.0e-20F) || (WrapperStruct00.var_1_4 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_4 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1] [L81] WrapperStruct00.var_1_11 = __VERIFIER_nondet_uchar() [L82] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L82] RET assume_abort_if_not(WrapperStruct00.var_1_11 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1] [L83] EXPR WrapperStruct00.var_1_11 VAL [WrapperStruct00={4:0}, isInitial=1] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L83] RET assume_abort_if_not(WrapperStruct00.var_1_11 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1] [L84] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L85] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L85] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L86] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L99] RET updateVariables() [L100] CALL step() [L50] EXPR WrapperStruct00.var_1_13 [L50] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_13 [L51] EXPR WrapperStruct00.var_1_11 [L51] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_11 [L52] WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L52] COND TRUE WrapperStruct00.var_1_12 [L53] EXPR WrapperStruct00.var_1_3 [L53] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_3 [L59] EXPR WrapperStruct00.var_1_1 [L59] EXPR WrapperStruct00.var_1_1 [L59] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L59] COND FALSE !((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) [L62] EXPR WrapperStruct00.var_1_14 [L62] WrapperStruct00.var_1_5 = WrapperStruct00.var_1_14 [L64] EXPR WrapperStruct00.var_1_14 [L64] signed long int stepLocal_0 = 5 * WrapperStruct00.var_1_14; [L65] EXPR WrapperStruct00.var_1_3 [L65] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L65] EXPR ((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1) [L65] EXPR WrapperStruct00.var_1_3 [L65] EXPR ((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1) VAL [WrapperStruct00={4:0}, isInitial=1, stepLocal_0=1270] [L65] EXPR WrapperStruct00.var_1_1 VAL [WrapperStruct00={4:0}, isInitial=1] [L65] COND FALSE !(((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) [L72] EXPR WrapperStruct00.var_1_1 [L72] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1] [L72] COND TRUE WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3 [L73] EXPR WrapperStruct00.var_1_11 [L73] WrapperStruct00.var_1_10 = WrapperStruct00.var_1_11 [L100] RET step() [L101] CALL, EXPR property() [L91] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1) [L91] EXPR WrapperStruct00.var_1_1 [L91] EXPR WrapperStruct00.var_1_3 [L91] EXPR WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14))) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14))) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR ((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR ((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR ((((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR ((((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (((((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13))) && (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_11)) VAL [WrapperStruct00={4:0}, isInitial=1] [L91] EXPR (((((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13))) && (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_11)) VAL [WrapperStruct00={4:0}, isInitial=1] [L91-L92] return (((((WrapperStruct00.var_1_12 ? (WrapperStruct00.var_1_1 == ((float) WrapperStruct00.var_1_3)) : ((! (WrapperStruct00.var_1_3 < WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_1 == ((float) ((((WrapperStruct00.var_1_3) < 0 ) ? -(WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_3))))) : 1)) && (((WrapperStruct00.var_1_1 + 8.125) > (WrapperStruct00.var_1_1 * WrapperStruct00.var_1_3)) ? (WrapperStruct00.var_1_5 == ((unsigned short int) (((((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_14 + WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_14))))) : (WrapperStruct00.var_1_5 == ((unsigned short int) WrapperStruct00.var_1_14)))) && ((((((WrapperStruct00.var_1_3) < (WrapperStruct00.var_1_1)) ? (WrapperStruct00.var_1_3) : (WrapperStruct00.var_1_1))) == WrapperStruct00.var_1_1) ? ((WrapperStruct00.var_1_14 > (5 * WrapperStruct00.var_1_14)) ? ((WrapperStruct00.var_1_1 < (WrapperStruct00.var_1_1 * 256.5f)) ? (WrapperStruct00.var_1_9 == ((unsigned short int) WrapperStruct00.var_1_14)) : 1) : 1) : 1)) && ((WrapperStruct00.var_1_1 < WrapperStruct00.var_1_3) ? (WrapperStruct00.var_1_10 == ((unsigned char) WrapperStruct00.var_1_11)) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13))) && (WrapperStruct00.var_1_14 == ((unsigned char) WrapperStruct00.var_1_11)) ; [L101] RET, EXPR property() [L101] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 6, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 15 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 15 mSDsluCounter, 754 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 426 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 50 IncrementalHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 328 mSDtfsCounter, 50 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 54 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=83occurred in iteration=3, InterpolantAutomatonStates: 12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 272 NumberOfCodeBlocks, 272 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 201 ConstructedInterpolants, 0 QuantifiedInterpolants, 205 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 180/180 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 [2023-11-26 11:59:22,039 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme --witnessprinter.witness.filename witness --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 32bit --witnessprinter.graph.data.programhash f738259e7c2d3662066b95c4aab3281c90ec8887937cabf5a1f2a35c9ff839d0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:59:24,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:59:24,953 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 11:59:24,962 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:59:24,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:59:25,013 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:59:25,014 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:59:25,015 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:59:25,016 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:59:25,018 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:59:25,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:59:25,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:59:25,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:59:25,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:59:25,021 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:59:25,021 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:59:25,022 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:59:25,022 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:59:25,023 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:59:25,023 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:59:25,023 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:59:25,024 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:59:25,024 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:59:25,025 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 11:59:25,025 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 11:59:25,025 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 11:59:25,026 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:59:25,026 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:59:25,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:59:25,027 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:59:25,027 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:59:25,028 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:59:25,028 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:59:25,029 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:25,029 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:59:25,029 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:59:25,030 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:59:25,030 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 11:59:25,031 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 11:59:25,031 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:59:25,031 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:59:25,031 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:59:25,031 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:59:25,032 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:59:25,032 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 11:59:25,032 INFO L153 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f738259e7c2d3662066b95c4aab3281c90ec8887937cabf5a1f2a35c9ff839d0 [2023-11-26 11:59:25,468 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:59:25,506 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:59:25,509 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:59:25,510 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:59:25,511 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:59:25,513 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i [2023-11-26 11:59:28,682 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:59:28,966 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:59:28,967 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i [2023-11-26 11:59:28,977 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data/17560c351/78e72c0dfa344d198710c28d67ec4eec/FLAG2502096f9 [2023-11-26 11:59:28,991 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/data/17560c351/78e72c0dfa344d198710c28d67ec4eec [2023-11-26 11:59:28,994 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:59:28,995 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:59:28,997 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:28,997 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:59:29,010 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:59:29,011 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:28" (1/1) ... [2023-11-26 11:59:29,012 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316c64e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29, skipping insertion in model container [2023-11-26 11:59:29,012 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:59:28" (1/1) ... [2023-11-26 11:59:29,042 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:59:29,286 WARN L240 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i[916,929] [2023-11-26 11:59:29,372 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:29,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:59:29,413 WARN L240 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_c9c47014-086e-4b2a-93ff-ff3030d2606f/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-29.i[916,929] [2023-11-26 11:59:29,479 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:59:29,514 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:59:29,515 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29 WrapperNode [2023-11-26 11:59:29,523 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:59:29,524 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:29,524 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:59:29,525 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:59:29,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,632 INFO L138 Inliner]: procedures = 33, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 361 [2023-11-26 11:59:29,637 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:59:29,638 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:59:29,638 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:59:29,638 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:59:29,651 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,652 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,676 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,718 INFO L175 MemorySlicer]: Split 108 memory accesses to 2 slices as follows [2, 106]. 98 percent of accesses are in the largest equivalence class. The 12 initializations are split as follows [2, 10]. The 12 writes are split as follows [0, 12]. [2023-11-26 11:59:29,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,747 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,767 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,780 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,786 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:59:29,787 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:59:29,788 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:59:29,788 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:59:29,789 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (1/1) ... [2023-11-26 11:59:29,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:59:29,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:59:29,832 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:59:29,858 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:59:29,879 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:59:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 11:59:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 11:59:29,880 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 11:59:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 11:59:29,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 11:59:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 11:59:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 11:59:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 11:59:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 11:59:29,883 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 11:59:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 11:59:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 11:59:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 11:59:29,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 11:59:29,885 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 11:59:29,885 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 11:59:29,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:59:29,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:59:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 11:59:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 11:59:29,887 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 11:59:29,888 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 11:59:30,068 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:59:30,070 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:59:45,751 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:59:45,825 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:59:45,825 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:59:45,826 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:45 BoogieIcfgContainer [2023-11-26 11:59:45,827 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:59:45,830 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:59:45,830 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:59:45,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:59:45,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:59:28" (1/3) ... [2023-11-26 11:59:45,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccc22af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:45, skipping insertion in model container [2023-11-26 11:59:45,836 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:59:29" (2/3) ... [2023-11-26 11:59:45,838 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ccc22af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:59:45, skipping insertion in model container [2023-11-26 11:59:45,838 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:59:45" (3/3) ... [2023-11-26 11:59:45,839 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-29.i [2023-11-26 11:59:45,862 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:59:45,862 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:59:45,938 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:59:45,946 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=LoopHeads, 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;@531d3cbb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:59:45,946 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:59:45,951 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 72 states have (on average 1.5) internal successors, (108), 73 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:45,966 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:45,967 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:45,968 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:45,977 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:45,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1146688191, now seen corresponding path program 1 times [2023-11-26 11:59:45,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:45,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1924796004] [2023-11-26 11:59:45,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:45,998 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 [2023-11-26 11:59:45,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:46,001 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:59:46,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:46,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:46,607 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 11:59:46,616 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:46,670 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2023-11-26 11:59:46,670 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:46,671 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:46,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1924796004] [2023-11-26 11:59:46,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1924796004] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:46,673 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:46,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:59:46,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580892635] [2023-11-26 11:59:46,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:46,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:59:46,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:46,720 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:59:46,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:46,726 INFO L87 Difference]: Start difference. First operand has 81 states, 72 states have (on average 1.5) internal successors, (108), 73 states have internal predecessors, (108), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:59:46,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:46,812 INFO L93 Difference]: Finished difference Result 159 states and 244 transitions. [2023-11-26 11:59:46,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:59:46,816 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 68 [2023-11-26 11:59:46,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:46,827 INFO L225 Difference]: With dead ends: 159 [2023-11-26 11:59:46,827 INFO L226 Difference]: Without dead ends: 79 [2023-11-26 11:59:46,831 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:59:46,835 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 111 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:46,836 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 111 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:59:46,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-26 11:59:46,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-26 11:59:46,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 71 states have (on average 1.4507042253521127) internal successors, (103), 71 states have internal predecessors, (103), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:46,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 115 transitions. [2023-11-26 11:59:46,882 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 115 transitions. Word has length 68 [2023-11-26 11:59:46,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:46,882 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 115 transitions. [2023-11-26 11:59:46,883 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2023-11-26 11:59:46,883 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 115 transitions. [2023-11-26 11:59:46,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:46,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:46,887 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:46,902 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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)] Ended with exit code 0 [2023-11-26 11:59:47,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:47,098 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:47,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:47,099 INFO L85 PathProgramCache]: Analyzing trace with hash -1845355401, now seen corresponding path program 1 times [2023-11-26 11:59:47,100 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:47,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [562800682] [2023-11-26 11:59:47,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:47,101 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 [2023-11-26 11:59:47,101 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:47,103 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:59:47,106 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:47,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:47,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 11:59:47,532 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:47,640 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:59:47,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:47,641 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:47,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [562800682] [2023-11-26 11:59:47,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [562800682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:47,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:47,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 11:59:47,670 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137448478] [2023-11-26 11:59:47,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:47,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 11:59:47,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:47,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 11:59:47,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 11:59:47,674 INFO L87 Difference]: Start difference. First operand 79 states and 115 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:48,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:48,289 INFO L93 Difference]: Finished difference Result 181 states and 263 transitions. [2023-11-26 11:59:48,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 11:59:48,290 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-11-26 11:59:48,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:48,292 INFO L225 Difference]: With dead ends: 181 [2023-11-26 11:59:48,292 INFO L226 Difference]: Without dead ends: 103 [2023-11-26 11:59:48,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-26 11:59:48,294 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 53 mSDsluCounter, 409 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 67 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:48,295 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 513 Invalid, 67 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 11:59:48,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-26 11:59:48,304 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 85. [2023-11-26 11:59:48,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 77 states have (on average 1.4155844155844155) internal successors, (109), 77 states have internal predecessors, (109), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:48,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 121 transitions. [2023-11-26 11:59:48,307 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 121 transitions. Word has length 68 [2023-11-26 11:59:48,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:48,308 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 121 transitions. [2023-11-26 11:59:48,309 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:48,309 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 121 transitions. [2023-11-26 11:59:48,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:48,311 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:48,311 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:48,330 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:48,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:48,531 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:48,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:48,531 INFO L85 PathProgramCache]: Analyzing trace with hash -1788097099, now seen corresponding path program 1 times [2023-11-26 11:59:48,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:48,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62861746] [2023-11-26 11:59:48,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:48,533 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 [2023-11-26 11:59:48,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:48,537 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:59:48,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:48,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:48,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:59:48,958 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:49,092 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:59:49,092 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:49,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:49,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [62861746] [2023-11-26 11:59:49,093 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [62861746] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:49,093 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:49,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 11:59:49,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68282080] [2023-11-26 11:59:49,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:49,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 11:59:49,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:49,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 11:59:49,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:59:49,096 INFO L87 Difference]: Start difference. First operand 85 states and 121 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:49,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:59:49,536 INFO L93 Difference]: Finished difference Result 188 states and 264 transitions. [2023-11-26 11:59:49,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 11:59:49,539 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-11-26 11:59:49,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:59:49,541 INFO L225 Difference]: With dead ends: 188 [2023-11-26 11:59:49,541 INFO L226 Difference]: Without dead ends: 104 [2023-11-26 11:59:49,542 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-26 11:59:49,543 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 43 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 11:59:49,544 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 609 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 11:59:49,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-26 11:59:49,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 87. [2023-11-26 11:59:49,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 79 states have (on average 1.4050632911392404) internal successors, (111), 79 states have internal predecessors, (111), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 11:59:49,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 123 transitions. [2023-11-26 11:59:49,562 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 123 transitions. Word has length 68 [2023-11-26 11:59:49,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:59:49,563 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 123 transitions. [2023-11-26 11:59:49,564 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:49,564 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2023-11-26 11:59:49,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 11:59:49,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:59:49,572 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:59:49,583 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:49,780 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 11:59:49,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:59:49,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:59:49,781 INFO L85 PathProgramCache]: Analyzing trace with hash -1788037517, now seen corresponding path program 1 times [2023-11-26 11:59:49,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 11:59:49,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1166164101] [2023-11-26 11:59:49,782 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:59:49,783 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 [2023-11-26 11:59:49,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 11:59:49,786 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 11:59:49,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-26 11:59:50,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:59:50,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 11:59:50,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:59:50,505 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 11:59:50,506 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 94 treesize of output 34 [2023-11-26 11:59:50,613 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 11:59:50,613 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:59:50,613 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 11:59:50,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1166164101] [2023-11-26 11:59:50,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1166164101] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:59:50,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:59:50,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 11:59:50,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874845797] [2023-11-26 11:59:50,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:59:50,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 11:59:50,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 11:59:50,616 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 11:59:50,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 11:59:50,616 INFO L87 Difference]: Start difference. First operand 87 states and 123 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 11:59:54,665 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.79s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 11:59:55,974 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:01,043 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:04,205 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-11-26 12:00:06,753 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:09,504 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:13,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.94s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-26 12:00:14,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:14,028 INFO L93 Difference]: Finished difference Result 223 states and 314 transitions. [2023-11-26 12:00:14,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:14,030 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 68 [2023-11-26 12:00:14,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:14,032 INFO L225 Difference]: With dead ends: 223 [2023-11-26 12:00:14,032 INFO L226 Difference]: Without dead ends: 137 [2023-11-26 12:00:14,033 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 64 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:14,034 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 60 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 23.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 23.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:14,034 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 273 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 185 Invalid, 1 Unknown, 0 Unchecked, 23.3s Time] [2023-11-26 12:00:14,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-26 12:00:14,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 93. [2023-11-26 12:00:14,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 85 states have (on average 1.411764705882353) internal successors, (120), 85 states have internal predecessors, (120), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2023-11-26 12:00:14,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2023-11-26 12:00:14,045 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 68 [2023-11-26 12:00:14,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:14,046 INFO L495 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2023-11-26 12:00:14,046 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2023-11-26 12:00:14,047 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2023-11-26 12:00:14,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-26 12:00:14,048 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:14,048 INFO L195 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:14,062 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:14,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 [2023-11-26 12:00:14,254 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:14,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:14,255 INFO L85 PathProgramCache]: Analyzing trace with hash 1485861425, now seen corresponding path program 1 times [2023-11-26 12:00:14,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:14,256 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543775657] [2023-11-26 12:00:14,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:14,256 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 [2023-11-26 12:00:14,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:14,257 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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) [2023-11-26 12:00:14,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9c47014-086e-4b2a-93ff-ff3030d2606f/bin/uautomizer-verify-VRDe98Ueme/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 (6)] Waiting until timeout for monitored process [2023-11-26 12:00:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:14,722 INFO L262 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 12:00:14,734 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:14,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-26 12:00:15,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-26 12:00:15,406 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-26 12:00:15,606 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 34 [2023-11-26 12:00:15,820 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:15,821 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 95 treesize of output 74 [2023-11-26 12:00:16,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:16,017 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 155 treesize of output 107 [2023-11-26 12:00:16,336 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:16,336 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 162 treesize of output 114 [2023-11-26 12:00:16,615 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:16,615 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 206 treesize of output 74 [2023-11-26 12:00:16,798 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-26 12:00:16,798 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:16,799 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:16,799 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543775657] [2023-11-26 12:00:16,799 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543775657] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:16,799 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:16,800 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-26 12:00:16,800 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594556755] [2023-11-26 12:00:16,800 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:16,800 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-26 12:00:16,801 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:16,802 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-26 12:00:16,802 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:00:16,802 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 10 states have internal predecessors, (41), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6)