./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX --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 fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:20:58,606 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:20:58,728 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:20:58,735 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:20:58,736 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:20:58,785 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:20:58,786 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:20:58,787 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:20:58,789 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:20:58,792 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:20:58,793 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:20:58,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:20:58,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:20:58,798 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:20:58,798 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:20:58,798 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:20:58,799 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:20:58,799 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:20:58,800 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:20:58,800 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:20:58,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:20:58,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:20:58,806 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:20:58,806 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:20:58,807 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:20:58,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:20:58,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:20:58,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:20:58,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:20:58,812 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:20:58,812 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:20:58,812 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:20:58,813 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:58,813 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:20:58,814 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:20:58,814 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:20:58,814 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:20:58,814 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:20:58,815 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:20:58,815 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:20:58,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:20:58,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:20:58,819 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_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f [2024-11-08 17:20:59,204 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:20:59,236 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:20:59,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:20:59,241 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:20:59,242 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:20:59,243 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i Unable to find full path for "g++" [2024-11-08 17:21:01,818 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:21:02,079 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:21:02,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i [2024-11-08 17:21:02,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data/d7c9cd600/6637c28b630c43bf89a3dc6fccb1e5c5/FLAG00198809b [2024-11-08 17:21:02,119 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data/d7c9cd600/6637c28b630c43bf89a3dc6fccb1e5c5 [2024-11-08 17:21:02,123 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:21:02,125 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:21:02,127 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:02,128 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:21:02,135 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:21:02,137 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,138 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3949c51a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02, skipping insertion in model container [2024-11-08 17:21:02,139 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,174 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:21:02,477 WARN L250 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_5847100b-55ac-4228-a87e-51674b7585e9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2024-11-08 17:21:02,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:02,555 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:21:02,573 WARN L250 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_5847100b-55ac-4228-a87e-51674b7585e9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2024-11-08 17:21:02,627 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:02,655 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:21:02,656 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02 WrapperNode [2024-11-08 17:21:02,657 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:02,658 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:02,659 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:21:02,659 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:21:02,670 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,684 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,755 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 157 [2024-11-08 17:21:02,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:02,756 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:21:02,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:21:02,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:21:02,777 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,778 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,781 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,812 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:21:02,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,825 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,837 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,839 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,845 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,852 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:21:02,857 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:21:02,857 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:21:02,858 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:21:02,859 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (1/1) ... [2024-11-08 17:21:02,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:02,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:02,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:21:02,926 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:21:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:21:02,957 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:21:02,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:21:02,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:21:02,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:21:02,959 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:21:03,050 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:21:03,053 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:21:03,493 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:21:03,494 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:21:03,521 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:21:03,522 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:21:03,522 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:03 BoogieIcfgContainer [2024-11-08 17:21:03,523 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:21:03,530 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:21:03,530 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:21:03,537 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:21:03,537 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:21:02" (1/3) ... [2024-11-08 17:21:03,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7157e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:03, skipping insertion in model container [2024-11-08 17:21:03,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:02" (2/3) ... [2024-11-08 17:21:03,540 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7157e27e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:03, skipping insertion in model container [2024-11-08 17:21:03,540 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:03" (3/3) ... [2024-11-08 17:21:03,543 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-81.i [2024-11-08 17:21:03,562 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:21:03,562 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:21:03,643 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:21:03,651 INFO L333 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, 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;@5e5fc8f1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:21:03,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:21:03,658 INFO L276 IsEmpty]: Start isEmpty. Operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 17:21:03,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:21:03,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:03,677 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:03,678 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:03,685 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:03,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1516211358, now seen corresponding path program 1 times [2024-11-08 17:21:03,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:03,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285926122] [2024-11-08 17:21:03,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:03,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:03,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,066 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:21:04,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,075 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:21:04,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,084 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:21:04,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:21:04,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:21:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:21:04,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:21:04,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:21:04,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:21:04,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,139 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:21:04,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,146 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:21:04,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,153 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:21:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:21:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:21:04,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:21:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:21:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:21:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,232 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:21:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:21:04,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:21:04,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:21:04,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:21:04,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:04,293 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 17:21:04,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:04,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [285926122] [2024-11-08 17:21:04,297 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [285926122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:04,298 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:04,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:21:04,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392949166] [2024-11-08 17:21:04,303 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:04,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:21:04,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:04,348 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:21:04,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:21:04,352 INFO L87 Difference]: Start difference. First operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 17:21:04,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:04,412 INFO L93 Difference]: Finished difference Result 135 states and 232 transitions. [2024-11-08 17:21:04,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:21:04,414 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2024-11-08 17:21:04,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:04,423 INFO L225 Difference]: With dead ends: 135 [2024-11-08 17:21:04,424 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 17:21:04,428 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:21:04,434 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:04,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:04,461 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 17:21:04,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2024-11-08 17:21:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 17:21:04,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 101 transitions. [2024-11-08 17:21:04,511 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 101 transitions. Word has length 139 [2024-11-08 17:21:04,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:04,512 INFO L471 AbstractCegarLoop]: Abstraction has 67 states and 101 transitions. [2024-11-08 17:21:04,512 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.0) internal successors, (32), 2 states have internal predecessors, (32), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2024-11-08 17:21:04,512 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-08 17:21:04,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:21:04,520 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:04,520 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:04,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:21:04,521 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:04,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:04,521 INFO L85 PathProgramCache]: Analyzing trace with hash -56613410, now seen corresponding path program 1 times [2024-11-08 17:21:04,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:04,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [899789202] [2024-11-08 17:21:04,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:04,524 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:21:05,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:21:05,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:21:05,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:21:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,079 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:21:05,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:21:05,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:21:05,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,116 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:21:05,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:21:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,138 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:21:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,155 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:21:05,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:21:05,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:21:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,192 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:21:05,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:21:05,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,215 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:21:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:21:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,237 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:21:05,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,250 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:21:05,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:21:05,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,271 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:21:05,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,281 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:21:05,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 17:21:05,300 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:05,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [899789202] [2024-11-08 17:21:05,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [899789202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:05,301 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:05,301 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:21:05,301 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356900498] [2024-11-08 17:21:05,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:05,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:21:05,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:05,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:21:05,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:05,309 INFO L87 Difference]: Start difference. First operand 67 states and 101 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:05,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:05,706 INFO L93 Difference]: Finished difference Result 196 states and 298 transitions. [2024-11-08 17:21:05,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:05,707 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 139 [2024-11-08 17:21:05,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:05,710 INFO L225 Difference]: With dead ends: 196 [2024-11-08 17:21:05,714 INFO L226 Difference]: Without dead ends: 132 [2024-11-08 17:21:05,715 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 46 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:21:05,716 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 69 mSDsluCounter, 171 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 261 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:05,717 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 261 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:21:05,721 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-08 17:21:05,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 123. [2024-11-08 17:21:05,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 76 states have internal predecessors, (99), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 17:21:05,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 187 transitions. [2024-11-08 17:21:05,757 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 187 transitions. Word has length 139 [2024-11-08 17:21:05,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:05,758 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 187 transitions. [2024-11-08 17:21:05,758 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 187 transitions. [2024-11-08 17:21:05,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:21:05,761 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:05,762 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:05,762 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:21:05,762 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:05,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:05,763 INFO L85 PathProgramCache]: Analyzing trace with hash 541163778, now seen corresponding path program 1 times [2024-11-08 17:21:05,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:05,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519464053] [2024-11-08 17:21:05,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:05,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:05,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,842 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:21:07,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:21:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,856 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:21:07,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,862 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:21:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:21:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,872 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:21:07,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:21:07,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,881 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:21:07,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,885 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:21:07,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,890 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:21:07,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,895 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:21:07,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,899 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:21:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:21:07,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:21:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,918 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:21:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:21:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,925 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:21:07,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,929 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:21:07,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,935 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:21:07,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,939 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:21:07,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,946 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:21:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,950 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:21:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:07,957 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 17:21:07,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:07,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519464053] [2024-11-08 17:21:07,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519464053] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:07,958 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:07,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:21:07,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451434163] [2024-11-08 17:21:07,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:07,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:21:07,962 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:07,962 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:21:07,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:21:07,963 INFO L87 Difference]: Start difference. First operand 123 states and 187 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:08,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:08,179 INFO L93 Difference]: Finished difference Result 207 states and 311 transitions. [2024-11-08 17:21:08,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:08,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-11-08 17:21:08,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:08,187 INFO L225 Difference]: With dead ends: 207 [2024-11-08 17:21:08,187 INFO L226 Difference]: Without dead ends: 143 [2024-11-08 17:21:08,188 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:21:08,194 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 17 mSDsluCounter, 377 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 55 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:08,195 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 482 Invalid, 55 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:21:08,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-08 17:21:08,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 127. [2024-11-08 17:21:08,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 80 states have (on average 1.2875) internal successors, (103), 80 states have internal predecessors, (103), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 17:21:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 191 transitions. [2024-11-08 17:21:08,228 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 191 transitions. Word has length 140 [2024-11-08 17:21:08,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:08,229 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 191 transitions. [2024-11-08 17:21:08,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:08,229 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 191 transitions. [2024-11-08 17:21:08,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:21:08,236 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:08,236 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:08,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:21:08,237 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:08,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:08,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1978796156, now seen corresponding path program 1 times [2024-11-08 17:21:08,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:08,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1010688954] [2024-11-08 17:21:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:08,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:08,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,581 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:21:09,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:21:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:21:09,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:21:09,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,596 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:21:09,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:21:09,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:21:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:21:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:21:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:21:09,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:21:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:21:09,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:21:09,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:21:09,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:21:09,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:21:09,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:21:09,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:21:09,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,661 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:21:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,665 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:21:09,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,669 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:21:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:21:09,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:09,677 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 17:21:09,678 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:09,678 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1010688954] [2024-11-08 17:21:09,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1010688954] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:09,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:09,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:21:09,679 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1536181996] [2024-11-08 17:21:09,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:09,680 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:21:09,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:09,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:21:09,681 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:21:09,681 INFO L87 Difference]: Start difference. First operand 127 states and 191 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:09,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:09,796 INFO L93 Difference]: Finished difference Result 226 states and 337 transitions. [2024-11-08 17:21:09,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:09,797 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 140 [2024-11-08 17:21:09,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:09,802 INFO L225 Difference]: With dead ends: 226 [2024-11-08 17:21:09,803 INFO L226 Difference]: Without dead ends: 155 [2024-11-08 17:21:09,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:21:09,805 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 25 mSDsluCounter, 440 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:09,810 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 563 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:21:09,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-08 17:21:09,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 135. [2024-11-08 17:21:09,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.3068181818181819) internal successors, (115), 88 states have internal predecessors, (115), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 17:21:09,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 203 transitions. [2024-11-08 17:21:09,836 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 203 transitions. Word has length 140 [2024-11-08 17:21:09,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:09,837 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 203 transitions. [2024-11-08 17:21:09,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 6 states have internal predecessors, (33), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 203 transitions. [2024-11-08 17:21:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:21:09,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:09,840 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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] [2024-11-08 17:21:09,840 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:21:09,840 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:09,841 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:09,841 INFO L85 PathProgramCache]: Analyzing trace with hash -367736972, now seen corresponding path program 1 times [2024-11-08 17:21:09,841 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:09,841 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657771983] [2024-11-08 17:21:09,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:09,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,109 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:21:10,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:21:10,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:21:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:21:10,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,135 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:21:10,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:21:10,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:21:10,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:21:10,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:21:10,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:21:10,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,178 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:21:10,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:21:10,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:21:10,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:21:10,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,210 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:21:10,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,218 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:21:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,227 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:21:10,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2024-11-08 17:21:10,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2024-11-08 17:21:10,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,251 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2024-11-08 17:21:10,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,258 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2024-11-08 17:21:10,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,263 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2024-11-08 17:21:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:10,271 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 17:21:10,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:21:10,272 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657771983] [2024-11-08 17:21:10,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657771983] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:10,274 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:10,274 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:21:10,274 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1523857779] [2024-11-08 17:21:10,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:10,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:21:10,276 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:21:10,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:21:10,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:21:10,278 INFO L87 Difference]: Start difference. First operand 135 states and 203 transitions. Second operand has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:10,548 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:10,548 INFO L93 Difference]: Finished difference Result 233 states and 347 transitions. [2024-11-08 17:21:10,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:10,549 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 143 [2024-11-08 17:21:10,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:10,551 INFO L225 Difference]: With dead ends: 233 [2024-11-08 17:21:10,552 INFO L226 Difference]: Without dead ends: 144 [2024-11-08 17:21:10,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:21:10,554 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 60 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 68 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 266 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 68 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:10,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 266 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [68 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-08 17:21:10,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-08 17:21:10,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 135. [2024-11-08 17:21:10,576 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 135 states, 88 states have (on average 1.2840909090909092) internal successors, (113), 88 states have internal predecessors, (113), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 17:21:10,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 201 transitions. [2024-11-08 17:21:10,579 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 201 transitions. Word has length 143 [2024-11-08 17:21:10,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:10,580 INFO L471 AbstractCegarLoop]: Abstraction has 135 states and 201 transitions. [2024-11-08 17:21:10,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.0) internal successors, (36), 4 states have internal predecessors, (36), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:10,580 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 201 transitions. [2024-11-08 17:21:10,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-08 17:21:10,583 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:10,583 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 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] [2024-11-08 17:21:10,583 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:21:10,584 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:10,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:10,584 INFO L85 PathProgramCache]: Analyzing trace with hash -779257842, now seen corresponding path program 1 times [2024-11-08 17:21:10,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:21:10,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779397707] [2024-11-08 17:21:10,585 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:10,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:21:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:10,770 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:21:10,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:10,957 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:21:10,957 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:21:10,959 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:21:10,961 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:21:10,965 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 17:21:11,125 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:21:11,129 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:21:11 BoogieIcfgContainer [2024-11-08 17:21:11,129 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:21:11,130 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:21:11,130 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:21:11,130 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:21:11,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:03" (3/4) ... [2024-11-08 17:21:11,141 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:21:11,142 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:21:11,143 INFO L158 Benchmark]: Toolchain (without parser) took 9018.26ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 121.9MB in the beginning and 73.3MB in the end (delta: 48.7MB). Peak memory consumption was 117.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:11,143 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:21:11,144 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.12ms. Allocated memory is still 157.3MB. Free memory was 121.5MB in the beginning and 121.8MB in the end (delta: -297.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-08 17:21:11,144 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.41ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 118.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:11,145 INFO L158 Benchmark]: Boogie Preprocessor took 99.96ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 115.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 17:21:11,145 INFO L158 Benchmark]: RCFGBuilder took 665.64ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 94.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2024-11-08 17:21:11,145 INFO L158 Benchmark]: TraceAbstraction took 7599.26ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 94.2MB in the beginning and 74.3MB in the end (delta: 19.9MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. [2024-11-08 17:21:11,146 INFO L158 Benchmark]: Witness Printer took 12.65ms. Allocated memory is still 226.5MB. Free memory was 74.3MB in the beginning and 73.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:21:11,149 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 113.2MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.12ms. Allocated memory is still 157.3MB. Free memory was 121.5MB in the beginning and 121.8MB in the end (delta: -297.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.41ms. Allocated memory is still 157.3MB. Free memory was 121.8MB in the beginning and 118.9MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.96ms. Allocated memory is still 157.3MB. Free memory was 118.9MB in the beginning and 115.2MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 665.64ms. Allocated memory is still 157.3MB. Free memory was 115.2MB in the beginning and 94.6MB in the end (delta: 20.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 7599.26ms. Allocated memory was 157.3MB in the beginning and 226.5MB in the end (delta: 69.2MB). Free memory was 94.2MB in the beginning and 74.3MB in the end (delta: 19.9MB). Peak memory consumption was 91.4MB. Max. memory is 16.1GB. * Witness Printer took 12.65ms. Allocated memory is still 226.5MB. Free memory was 74.3MB in the beginning and 73.3MB 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.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 bitwiseOr at line 110. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 9999; [L23] unsigned char var_1_2 = 1; [L24] signed long int var_1_3 = 4; [L25] signed long int var_1_4 = 2; [L26] signed long int var_1_5 = 0; [L27] signed long int var_1_6 = 999999999; [L28] signed char var_1_7 = -128; [L29] signed char var_1_11 = 16; [L30] signed char var_1_12 = 16; [L31] unsigned short int var_1_13 = 5; [L32] unsigned char var_1_14 = 1; [L33] unsigned short int var_1_15 = 16; [L34] unsigned short int var_1_16 = 32647; [L35] unsigned short int var_1_17 = 128; [L36] signed long int var_1_18 = -8; [L37] unsigned short int last_1_var_1_13 = 5; [L38] signed long int last_1_var_1_18 = -8; VAL [isInitial=0, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L114] isInitial = 1 [L115] FCALL initially() [L116] COND TRUE 1 [L117] CALL updateLastVariables() [L106] last_1_var_1_13 = var_1_13 [L107] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L117] RET updateLastVariables() [L118] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=4, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L74] var_1_3 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_3 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L75] RET assume_abort_if_not(var_1_3 >= -2147483648) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L76] CALL assume_abort_if_not(var_1_3 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L76] RET assume_abort_if_not(var_1_3 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=2, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L77] var_1_4 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L78] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L79] CALL assume_abort_if_not(var_1_4 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L79] RET assume_abort_if_not(var_1_4 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=0, var_1_6=999999999, var_1_7=-128] [L80] var_1_5 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_5 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L81] RET assume_abort_if_not(var_1_5 >= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L82] CALL assume_abort_if_not(var_1_5 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L82] RET assume_abort_if_not(var_1_5 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=999999999, var_1_7=-128] [L83] var_1_6 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L84] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L85] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L85] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L86] var_1_11 = __VERIFIER_nondet_char() [L87] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L87] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L88] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L88] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L90] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L91] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L91] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L92] var_1_14 = __VERIFIER_nondet_uchar() [L93] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L93] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L94] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L94] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L95] var_1_15 = __VERIFIER_nondet_ushort() [L96] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L96] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L97] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L97] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L98] var_1_16 = __VERIFIER_nondet_ushort() [L99] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L99] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L100] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L100] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=128, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L101] var_1_17 = __VERIFIER_nondet_ushort() [L102] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L102] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L103] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L103] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L118] RET updateVariables() [L119] CALL step() [L42] signed long int stepLocal_0 = (((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18)); VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L43] EXPR last_1_var_1_18 ^ last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-128] [L43] COND FALSE !(stepLocal_0 != (last_1_var_1_18 ^ last_1_var_1_13)) [L48] var_1_7 = ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L50] unsigned char stepLocal_1 = var_1_11 >= var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_1=1, var_1_11=-63, var_1_12=62, var_1_13=5, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L51] COND TRUE stepLocal_1 && var_1_14 [L52] var_1_13 = ((((var_1_15) < (100)) ? (var_1_15) : (100))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L56] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_2=-63, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=-8, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L57] COND FALSE !(stepLocal_2 > var_1_16) [L64] var_1_18 = var_1_15 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=9999, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L66] COND TRUE \read(var_1_2) [L67] var_1_1 = ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=2147483647, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L119] RET step() [L120] CALL, EXPR property() [L110] EXPR (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=2147483647, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L110] EXPR last_1_var_1_18 ^ last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=2147483647, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L110] EXPR (var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=2147483647, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L110-L111] return (((var_1_2 ? (var_1_1 == ((signed long int) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))))))) && (((var_1_11 >= var_1_7) && var_1_14) ? (var_1_13 == ((unsigned short int) ((((var_1_15) < (100)) ? (var_1_15) : (100))))) : (var_1_13 == ((unsigned short int) ((var_1_16 - 5) + var_1_17))))) && ((var_1_7 > var_1_16) ? ((var_1_3 < (var_1_5 - var_1_6)) ? (var_1_18 == ((signed long int) ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) : (var_1_18 == ((signed long int) var_1_13))) : (var_1_18 == ((signed long int) var_1_15))) ; [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=2147483647, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-63, var_1_12=62, var_1_13=100, var_1_14=1, var_1_15=100, var_1_16=32767, var_1_17=-32769, var_1_18=100, var_1_1=2147483647, var_1_2=1, var_1_3=2147483647, var_1_4=0, var_1_5=2147483647, var_1_6=0, var_1_7=-63] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.3s, OverallIterations: 6, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 171 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 171 mSDsluCounter, 1673 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1161 mSDsCounter, 140 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 162 IncrementalHoareTripleChecker+Invalid, 302 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 140 mSolverCounterUnsat, 512 mSDtfsCounter, 162 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 271 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=135occurred in iteration=4, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 54 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 5.0s InterpolantComputationTime, 848 NumberOfCodeBlocks, 848 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 696 ConstructedInterpolants, 0 QuantifiedInterpolants, 1192 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 4620/4620 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 [2024-11-08 17:21:11,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with 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_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX --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 fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:21:14,057 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:21:14,150 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:21:14,157 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:21:14,161 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:21:14,200 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:21:14,201 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:21:14,202 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:21:14,203 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:21:14,204 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:21:14,205 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:21:14,205 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:21:14,206 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:21:14,206 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:21:14,206 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:21:14,207 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:21:14,207 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:21:14,210 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:21:14,211 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:21:14,211 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:21:14,211 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:21:14,212 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:21:14,215 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:21:14,216 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:21:14,216 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:21:14,216 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:21:14,217 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:21:14,217 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:21:14,217 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:21:14,217 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:21:14,218 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:21:14,218 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:21:14,218 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:21:14,220 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:21:14,220 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:14,221 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:21:14,221 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:21:14,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:21:14,222 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:21:14,223 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:21:14,223 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:21:14,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:21:14,224 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:21:14,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:21:14,225 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_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fe7400f0b0ab4fdd8aedde72286ef8e424ee02ac98a8a7a44d0658bd5103a03f [2024-11-08 17:21:14,684 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:21:14,711 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:21:14,714 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:21:14,716 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:21:14,716 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:21:14,717 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i Unable to find full path for "g++" [2024-11-08 17:21:16,948 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:21:17,258 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:21:17,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i [2024-11-08 17:21:17,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data/6889ab8f0/ce112ee225c14be3acddd413c9aad92e/FLAGf65600416 [2024-11-08 17:21:17,306 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/data/6889ab8f0/ce112ee225c14be3acddd413c9aad92e [2024-11-08 17:21:17,311 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:21:17,314 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:21:17,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:17,320 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:21:17,328 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:21:17,329 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:17,330 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70d57d40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17, skipping insertion in model container [2024-11-08 17:21:17,331 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:17,376 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:21:17,656 WARN L250 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_5847100b-55ac-4228-a87e-51674b7585e9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2024-11-08 17:21:17,748 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:17,778 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:21:17,800 WARN L250 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_5847100b-55ac-4228-a87e-51674b7585e9/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-81.i[916,929] [2024-11-08 17:21:17,882 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:17,960 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:21:17,961 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17 WrapperNode [2024-11-08 17:21:17,961 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:17,963 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:17,963 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:21:17,963 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:21:17,973 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:17,989 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,042 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 124 [2024-11-08 17:21:18,042 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:18,043 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:21:18,044 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:21:18,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:21:18,060 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,061 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,065 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,079 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:21:18,080 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,081 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,090 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,095 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,097 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,099 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,103 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:21:18,105 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:21:18,105 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:21:18,105 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:21:18,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (1/1) ... [2024-11-08 17:21:18,115 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:18,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:18,152 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:21:18,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:21:18,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:21:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:21:18,189 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:21:18,189 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:21:18,190 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:21:18,190 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:21:18,309 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:21:18,316 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:21:18,742 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 17:21:18,742 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:21:18,759 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:21:18,759 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:21:18,760 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:18 BoogieIcfgContainer [2024-11-08 17:21:18,760 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:21:18,764 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:21:18,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:21:18,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:21:18,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:21:17" (1/3) ... [2024-11-08 17:21:18,770 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665a0386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:18, skipping insertion in model container [2024-11-08 17:21:18,770 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:17" (2/3) ... [2024-11-08 17:21:18,771 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@665a0386 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:18, skipping insertion in model container [2024-11-08 17:21:18,771 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:18" (3/3) ... [2024-11-08 17:21:18,773 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-81.i [2024-11-08 17:21:18,797 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:21:18,798 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:21:18,907 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:21:18,918 INFO L333 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, 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;@1724e6b8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:21:18,919 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:21:18,926 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2024-11-08 17:21:18,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-08 17:21:18,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:18,946 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:18,946 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:18,957 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:18,958 INFO L85 PathProgramCache]: Analyzing trace with hash 1655082536, now seen corresponding path program 1 times [2024-11-08 17:21:18,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:18,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784370696] [2024-11-08 17:21:18,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:18,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:18,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:18,986 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:18,988 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:21:19,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:19,253 INFO L255 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:21:19,275 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:21,047 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2024-11-08 17:21:21,047 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:21,048 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:21,049 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784370696] [2024-11-08 17:21:21,049 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784370696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:21,050 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:21,050 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:21:21,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251349978] [2024-11-08 17:21:21,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:21,059 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:21:21,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:21,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:21:21,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:21:21,093 INFO L87 Difference]: Start difference. First operand has 60 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:21,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:21,558 INFO L93 Difference]: Finished difference Result 167 states and 305 transitions. [2024-11-08 17:21:21,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:21:21,563 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) Word has length 136 [2024-11-08 17:21:21,564 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:21,575 INFO L225 Difference]: With dead ends: 167 [2024-11-08 17:21:21,575 INFO L226 Difference]: Without dead ends: 110 [2024-11-08 17:21:21,580 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:21:21,584 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 41 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:21,585 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 260 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:21:21,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-08 17:21:21,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 96. [2024-11-08 17:21:21,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 49 states have internal predecessors, (56), 44 states have call successors, (44), 2 states have call predecessors, (44), 2 states have return successors, (44), 44 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 17:21:21,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 144 transitions. [2024-11-08 17:21:21,678 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 144 transitions. Word has length 136 [2024-11-08 17:21:21,679 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:21,679 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 144 transitions. [2024-11-08 17:21:21,680 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 1 states have call successors, (22) [2024-11-08 17:21:21,680 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 144 transitions. [2024-11-08 17:21:21,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:21:21,684 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:21,684 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:21,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:21,885 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:21,886 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:21,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:21,887 INFO L85 PathProgramCache]: Analyzing trace with hash -205502388, now seen corresponding path program 1 times [2024-11-08 17:21:21,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:21,888 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1211755446] [2024-11-08 17:21:21,888 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:21,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:21,889 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:21,892 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:21,894 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5847100b-55ac-4228-a87e-51674b7585e9/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:21:22,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:22,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 17:21:22,057 INFO L278 TraceCheckSpWp]: Computing forward predicates...