./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/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_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/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_f868f19d-f312-4de9-ae1d-7793779709f4/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 ed9d861075c8c518defc00306ada282c1d9fd40ebe62b1212ecfccba3a9578d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:08:16,618 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:08:16,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 16:08:16,741 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:08:16,746 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:08:16,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:08:16,797 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:08:16,798 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:08:16,799 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:08:16,800 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:08:16,800 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:08:16,801 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:08:16,802 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:08:16,802 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:08:16,803 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:08:16,803 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:08:16,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:08:16,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:08:16,805 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 16:08:16,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:08:16,806 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:08:16,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:08:16,810 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:08:16,811 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:08:16,811 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:08:16,812 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:08:16,812 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:08:16,812 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:08:16,813 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:08:16,813 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:08:16,813 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:08:16,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:08:16,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:08:16,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:08:16,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:08:16,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:08:16,821 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 16:08:16,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 16:08:16,821 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:08:16,822 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:08:16,822 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:08:16,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:08:16,824 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_f868f19d-f312-4de9-ae1d-7793779709f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed9d861075c8c518defc00306ada282c1d9fd40ebe62b1212ecfccba3a9578d4 [2024-11-08 16:08:17,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:08:17,225 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:08:17,232 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:08:17,234 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:08:17,235 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:08:17,236 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i Unable to find full path for "g++" [2024-11-08 16:08:19,781 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:08:20,047 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:08:20,047 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i [2024-11-08 16:08:20,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data/a0c748b29/df4dd53328154ddb8920091853602c7c/FLAG57b2080d4 [2024-11-08 16:08:20,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data/a0c748b29/df4dd53328154ddb8920091853602c7c [2024-11-08 16:08:20,082 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:08:20,084 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:08:20,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:08:20,086 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:08:20,091 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:08:20,092 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,094 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c4e67a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20, skipping insertion in model container [2024-11-08 16:08:20,094 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,128 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:08:20,461 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_f868f19d-f312-4de9-ae1d-7793779709f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i[914,927] [2024-11-08 16:08:20,552 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:08:20,572 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:08:20,591 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_f868f19d-f312-4de9-ae1d-7793779709f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i[914,927] [2024-11-08 16:08:20,630 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:08:20,667 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:08:20,668 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20 WrapperNode [2024-11-08 16:08:20,668 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:08:20,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:08:20,670 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:08:20,671 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:08:20,681 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,694 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,754 INFO L138 Inliner]: procedures = 26, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 98 [2024-11-08 16:08:20,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:08:20,760 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:08:20,760 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:08:20,760 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:08:20,785 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,785 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,787 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,807 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 16:08:20,807 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,808 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,821 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,830 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,836 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,838 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,845 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:08:20,846 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:08:20,846 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:08:20,846 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:08:20,848 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (1/1) ... [2024-11-08 16:08:20,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:08:20,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:08:20,900 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:08:20,908 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:08:20,946 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:08:20,947 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:08:20,948 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:08:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 16:08:20,949 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:08:20,949 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:08:21,070 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:08:21,076 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:08:21,463 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-08 16:08:21,464 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:08:21,489 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:08:21,490 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:08:21,490 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:08:21 BoogieIcfgContainer [2024-11-08 16:08:21,490 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:08:21,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:08:21,494 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:08:21,499 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:08:21,499 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:08:20" (1/3) ... [2024-11-08 16:08:21,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0cc010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:08:21, skipping insertion in model container [2024-11-08 16:08:21,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:20" (2/3) ... [2024-11-08 16:08:21,501 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d0cc010 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:08:21, skipping insertion in model container [2024-11-08 16:08:21,501 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:08:21" (3/3) ... [2024-11-08 16:08:21,503 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-9.i [2024-11-08 16:08:21,541 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:08:21,541 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:08:21,617 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:08:21,625 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;@6382dedc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:08:21,625 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:08:21,632 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:08:21,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 16:08:21,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:21,647 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 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 16:08:21,648 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:21,655 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:21,656 INFO L85 PathProgramCache]: Analyzing trace with hash -1035995314, now seen corresponding path program 1 times [2024-11-08 16:08:21,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:21,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515807780] [2024-11-08 16:08:21,671 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:21,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:21,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,038 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:08:22,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:08:22,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,074 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:08:22,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:08:22,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,108 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 16:08:22,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,127 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:08:22,128 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:22,133 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515807780] [2024-11-08 16:08:22,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515807780] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:22,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:22,135 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:08:22,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280759726] [2024-11-08 16:08:22,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:22,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:08:22,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:22,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:08:22,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:08:22,186 INFO L87 Difference]: Start difference. First operand has 42 states, 34 states have (on average 1.3823529411764706) internal successors, (47), 35 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:08:22,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:22,226 INFO L93 Difference]: Finished difference Result 81 states and 116 transitions. [2024-11-08 16:08:22,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:08:22,231 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) Word has length 46 [2024-11-08 16:08:22,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:22,241 INFO L225 Difference]: With dead ends: 81 [2024-11-08 16:08:22,242 INFO L226 Difference]: Without dead ends: 38 [2024-11-08 16:08:22,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 17 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 16:08:22,254 INFO L432 NwaCegarLoop]: 55 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, 55 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 16:08:22,255 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:22,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38 states. [2024-11-08 16:08:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38 to 38. [2024-11-08 16:08:22,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 38 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 31 states have internal predecessors, (40), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:08:22,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 38 states and 50 transitions. [2024-11-08 16:08:22,321 INFO L78 Accepts]: Start accepts. Automaton has 38 states and 50 transitions. Word has length 46 [2024-11-08 16:08:22,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:22,323 INFO L471 AbstractCegarLoop]: Abstraction has 38 states and 50 transitions. [2024-11-08 16:08:22,324 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:08:22,324 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 50 transitions. [2024-11-08 16:08:22,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-08 16:08:22,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:22,328 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 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 16:08:22,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 16:08:22,329 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:22,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:22,333 INFO L85 PathProgramCache]: Analyzing trace with hash -1016726772, now seen corresponding path program 1 times [2024-11-08 16:08:22,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:22,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [564910] [2024-11-08 16:08:22,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:22,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:08:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,713 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:08:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:08:22,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,751 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:08:22,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 16:08:22,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:22,773 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:08:22,774 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:22,774 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [564910] [2024-11-08 16:08:22,775 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [564910] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:22,775 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:22,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:08:22,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316367455] [2024-11-08 16:08:22,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:22,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:08:22,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:22,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:08:22,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:08:22,804 INFO L87 Difference]: Start difference. First operand 38 states and 50 transitions. Second operand has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:22,950 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:22,952 INFO L93 Difference]: Finished difference Result 123 states and 162 transitions. [2024-11-08 16:08:22,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:08:22,953 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 46 [2024-11-08 16:08:22,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:22,959 INFO L225 Difference]: With dead ends: 123 [2024-11-08 16:08:22,960 INFO L226 Difference]: Without dead ends: 88 [2024-11-08 16:08:22,960 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 12 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 16:08:22,962 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 68 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:22,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 145 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:22,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-08 16:08:22,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 71. [2024-11-08 16:08:22,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.293103448275862) internal successors, (75), 58 states have internal predecessors, (75), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:08:22,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 95 transitions. [2024-11-08 16:08:22,991 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 95 transitions. Word has length 46 [2024-11-08 16:08:22,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:22,992 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 95 transitions. [2024-11-08 16:08:22,992 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:22,993 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2024-11-08 16:08:22,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-08 16:08:22,994 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:22,995 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:22,995 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 16:08:22,995 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:22,996 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:22,996 INFO L85 PathProgramCache]: Analyzing trace with hash -1749965320, now seen corresponding path program 1 times [2024-11-08 16:08:22,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:22,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124638653] [2024-11-08 16:08:22,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:22,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:08:23,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,231 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:08:23,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,236 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:08:23,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,240 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:08:23,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,245 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 16:08:23,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,250 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:08:23,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:23,251 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124638653] [2024-11-08 16:08:23,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124638653] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:23,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:23,252 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:23,252 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [125901512] [2024-11-08 16:08:23,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:23,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 16:08:23,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:23,256 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 16:08:23,256 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:23,257 INFO L87 Difference]: Start difference. First operand 71 states and 95 transitions. Second operand has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:23,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:23,322 INFO L93 Difference]: Finished difference Result 158 states and 212 transitions. [2024-11-08 16:08:23,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 16:08:23,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 47 [2024-11-08 16:08:23,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:23,327 INFO L225 Difference]: With dead ends: 158 [2024-11-08 16:08:23,329 INFO L226 Difference]: Without dead ends: 90 [2024-11-08 16:08:23,330 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 16:08:23,333 INFO L432 NwaCegarLoop]: 66 mSDtfsCounter, 44 mSDsluCounter, 26 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:23,338 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 92 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:23,339 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2024-11-08 16:08:23,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 71. [2024-11-08 16:08:23,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.2241379310344827) internal successors, (71), 58 states have internal predecessors, (71), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:08:23,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-11-08 16:08:23,358 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 47 [2024-11-08 16:08:23,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:23,359 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-11-08 16:08:23,359 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-11-08 16:08:23,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-08 16:08:23,361 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:23,362 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:23,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 16:08:23,362 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:23,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:23,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1150052202, now seen corresponding path program 1 times [2024-11-08 16:08:23,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:23,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1813921065] [2024-11-08 16:08:23,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:23,365 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-11-08 16:08:23,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,951 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-11-08 16:08:23,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,960 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2024-11-08 16:08:23,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-08 16:08:23,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,977 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-11-08 16:08:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:23,986 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:08:23,987 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 16:08:23,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1813921065] [2024-11-08 16:08:23,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1813921065] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:23,988 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:23,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:08:23,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532813671] [2024-11-08 16:08:23,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:23,989 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:08:23,991 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 16:08:23,992 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:08:23,993 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:08:23,993 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:24,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:24,112 INFO L93 Difference]: Finished difference Result 142 states and 182 transitions. [2024-11-08 16:08:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:08:24,113 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 48 [2024-11-08 16:08:24,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:24,115 INFO L225 Difference]: With dead ends: 142 [2024-11-08 16:08:24,115 INFO L226 Difference]: Without dead ends: 74 [2024-11-08 16:08:24,116 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 16:08:24,117 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 15 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 104 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:24,118 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 104 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:24,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-08 16:08:24,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 71. [2024-11-08 16:08:24,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 58 states have (on average 1.1896551724137931) internal successors, (69), 58 states have internal predecessors, (69), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:08:24,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 89 transitions. [2024-11-08 16:08:24,136 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 89 transitions. Word has length 48 [2024-11-08 16:08:24,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:24,137 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 89 transitions. [2024-11-08 16:08:24,137 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:24,137 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 89 transitions. [2024-11-08 16:08:24,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-08 16:08:24,139 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:24,139 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:08:24,139 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 16:08:24,140 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:24,140 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:24,141 INFO L85 PathProgramCache]: Analyzing trace with hash 2142730353, now seen corresponding path program 1 times [2024-11-08 16:08:24,141 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 16:08:24,141 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1295044271] [2024-11-08 16:08:24,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:24,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 16:08:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 16:08:24,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1528920960] [2024-11-08 16:08:24,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:24,184 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:08:24,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:08:24,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 16:08:24,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 16:08:24,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:08:24,347 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 16:08:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 16:08:24,445 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 16:08:24,445 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 16:08:24,447 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:08:24,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-08 16:08:24,649 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 16:08:24,652 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 16:08:24,741 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:08:24,745 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:08:24 BoogieIcfgContainer [2024-11-08 16:08:24,746 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:08:24,746 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:08:24,747 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:08:24,747 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:08:24,747 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:08:21" (3/4) ... [2024-11-08 16:08:24,751 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 16:08:24,752 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:08:24,753 INFO L158 Benchmark]: Toolchain (without parser) took 4669.43ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 100.4MB in the beginning and 86.4MB in the end (delta: 14.0MB). Peak memory consumption was 44.4MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,754 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:08:24,755 INFO L158 Benchmark]: CACSL2BoogieTranslator took 583.07ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 100.7MB in the end (delta: -882.4kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,755 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.80ms. Allocated memory is still 138.4MB. Free memory was 100.7MB in the beginning and 98.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,756 INFO L158 Benchmark]: Boogie Preprocessor took 85.25ms. Allocated memory is still 138.4MB. Free memory was 98.0MB in the beginning and 95.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,756 INFO L158 Benchmark]: RCFGBuilder took 644.58ms. Allocated memory is still 138.4MB. Free memory was 95.1MB in the beginning and 79.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,757 INFO L158 Benchmark]: TraceAbstraction took 3251.64ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 78.9MB in the beginning and 87.4MB in the end (delta: -8.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,757 INFO L158 Benchmark]: Witness Printer took 6.12ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 16:08:24,760 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 77.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 583.07ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 100.7MB in the end (delta: -882.4kB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.80ms. Allocated memory is still 138.4MB. Free memory was 100.7MB in the beginning and 98.0MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.25ms. Allocated memory is still 138.4MB. Free memory was 98.0MB in the beginning and 95.1MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 644.58ms. Allocated memory is still 138.4MB. Free memory was 95.1MB in the beginning and 79.2MB in the end (delta: 15.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 3251.64ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 78.9MB in the beginning and 87.4MB in the end (delta: -8.5MB). Peak memory consumption was 22.9MB. Max. memory is 16.1GB. * Witness Printer took 6.12ms. Allocated memory is still 167.8MB. Free memory was 87.4MB in the beginning and 86.4MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. 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 someBinaryDOUBLEComparisonOperation at line 75, overapproximation of shiftLeft at line 75. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 10; [L23] unsigned char var_1_3 = 4; [L24] unsigned char var_1_7 = 0; [L25] signed short int var_1_8 = 100; [L26] unsigned char var_1_9 = 32; [L27] double var_1_10 = 9.2; [L28] double var_1_11 = 0.975; [L29] signed short int var_1_12 = 1; [L30] signed short int last_1_var_1_8 = 100; [L31] double last_1_var_1_10 = 9.2; VAL [isInitial=0, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L79] isInitial = 1 [L80] FCALL initially() [L81] int k_loop; [L82] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L82] COND FALSE !(k_loop < 1) VAL [isInitial=1, k_loop=0, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L82] COND TRUE k_loop < 1 [L83] CALL updateLastVariables() [L71] last_1_var_1_8 = var_1_8 [L72] last_1_var_1_10 = var_1_10 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=4, var_1_7=0, var_1_8=100, var_1_9=32] [L83] RET updateLastVariables() [L84] CALL updateVariables() [L61] var_1_3 = __VERIFIER_nondet_uchar() [L62] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L62] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_7=0, var_1_8=100, var_1_9=32] [L63] CALL assume_abort_if_not(var_1_3 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L63] RET assume_abort_if_not(var_1_3 <= 254) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L64] var_1_7 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_8=100, var_1_9=32] [L65] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_8=100, var_1_9=32] [L66] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L66] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_11=39/40, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L67] var_1_11 = __VERIFIER_nondet_double() [L68] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L68] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L84] RET updateVariables() [L85] CALL step() [L35] COND FALSE !(last_1_var_1_8 <= 16) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=10, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L38] COND FALSE !(((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) [L45] var_1_1 = var_1_3 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=46/5, var_1_12=1, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=32] [L48] var_1_9 = 64 [L49] var_1_10 = var_1_11 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=1, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=64] [L50] EXPR 10 << var_1_9 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=1, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=100, var_1_9=64] [L50] COND TRUE (10 << var_1_9) < (var_1_3 * var_1_1) [L51] var_1_8 = (var_1_9 + var_1_1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=1, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L53] unsigned char stepLocal_0 = var_1_10 > var_1_10; VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, stepLocal_0=1, var_1_10=2, var_1_11=2, var_1_12=1, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L54] COND TRUE ((var_1_1 + var_1_9) < 10) || stepLocal_0 [L55] var_1_12 = ((((var_1_8) > (var_1_1)) ? (var_1_8) : (var_1_1))) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=68, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L85] RET step() [L86] CALL, EXPR property() [L75] EXPR ((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=68, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L75] EXPR 10 << var_1_9 VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=68, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L75] EXPR ((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=68, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L75-L76] return (((((last_1_var_1_8 <= 16) ? (var_1_1 == ((unsigned char) var_1_3)) : ((((((last_1_var_1_10) > (last_1_var_1_10)) ? (last_1_var_1_10) : (last_1_var_1_10))) < last_1_var_1_10) ? (var_1_7 ? (var_1_1 == ((unsigned char) var_1_3)) : (var_1_1 == ((unsigned char) var_1_3))) : (var_1_1 == ((unsigned char) var_1_3)))) && (((10 << var_1_9) < (var_1_3 * var_1_1)) ? (var_1_8 == ((signed short int) (var_1_9 + var_1_1))) : 1)) && (var_1_9 == ((unsigned char) 64))) && (var_1_10 == ((double) var_1_11))) && ((((var_1_1 + var_1_9) < 10) || (var_1_10 > var_1_10)) ? (var_1_12 == ((signed short int) ((((var_1_8) > (var_1_1)) ? (var_1_8) : (var_1_1))))) : (var_1_12 == ((signed short int) var_1_8))) ; [L86] RET, EXPR property() [L86] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=68, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_10=46/5, last_1_var_1_8=100, var_1_10=2, var_1_11=2, var_1_12=68, var_1_1=-252, var_1_3=-252, var_1_7=0, var_1_8=68, var_1_9=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.1s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 127 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 127 mSDsluCounter, 396 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 173 mSDsCounter, 20 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 43 IncrementalHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 20 mSolverCounterUnsat, 223 mSDtfsCounter, 43 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 63 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=71occurred in iteration=2, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 39 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 289 NumberOfCodeBlocks, 289 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 183 ConstructedInterpolants, 0 QuantifiedInterpolants, 317 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 160/160 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 16:08:24,802 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/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_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/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_f868f19d-f312-4de9-ae1d-7793779709f4/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 ed9d861075c8c518defc00306ada282c1d9fd40ebe62b1212ecfccba3a9578d4 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 16:08:27,752 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 16:08:27,902 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 16:08:27,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 16:08:27,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 16:08:27,961 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 16:08:27,962 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 16:08:27,963 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 16:08:27,964 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 16:08:27,966 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 16:08:27,966 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 16:08:27,967 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 16:08:27,968 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 16:08:27,970 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 16:08:27,973 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 16:08:27,973 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 16:08:27,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 16:08:27,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 16:08:27,975 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 16:08:27,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 16:08:27,976 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 16:08:27,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 16:08:27,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 16:08:27,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 16:08:27,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 16:08:27,981 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 16:08:27,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 16:08:27,982 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 16:08:27,982 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 16:08:27,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 16:08:27,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 16:08:27,988 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 16:08:27,988 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 16:08:27,989 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 16:08:27,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:08:27,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 16:08:27,991 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 16:08:27,992 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 16:08:27,992 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 16:08:27,992 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 16:08:27,993 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 16:08:27,993 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 16:08:27,994 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 16:08:27,994 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 16:08:27,995 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_f868f19d-f312-4de9-ae1d-7793779709f4/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ed9d861075c8c518defc00306ada282c1d9fd40ebe62b1212ecfccba3a9578d4 [2024-11-08 16:08:28,516 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 16:08:28,553 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 16:08:28,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 16:08:28,558 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 16:08:28,559 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 16:08:28,560 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i Unable to find full path for "g++" [2024-11-08 16:08:30,845 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 16:08:31,141 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 16:08:31,142 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i [2024-11-08 16:08:31,152 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data/2d7d05dc6/fc674e996ccb43d8b43f746df2ce9ec3/FLAG3ffe1a4b3 [2024-11-08 16:08:31,428 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/data/2d7d05dc6/fc674e996ccb43d8b43f746df2ce9ec3 [2024-11-08 16:08:31,431 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 16:08:31,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 16:08:31,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 16:08:31,442 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 16:08:31,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 16:08:31,455 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:31,457 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@681b1b56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31, skipping insertion in model container [2024-11-08 16:08:31,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:31,494 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 16:08:31,731 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_f868f19d-f312-4de9-ae1d-7793779709f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i[914,927] [2024-11-08 16:08:31,786 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:08:31,835 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 16:08:31,865 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_f868f19d-f312-4de9-ae1d-7793779709f4/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-9.i[914,927] [2024-11-08 16:08:31,899 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 16:08:31,928 INFO L204 MainTranslator]: Completed translation [2024-11-08 16:08:31,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31 WrapperNode [2024-11-08 16:08:31,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 16:08:31,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 16:08:31,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 16:08:31,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 16:08:31,940 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:31,952 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:31,980 INFO L138 Inliner]: procedures = 27, calls = 18, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 79 [2024-11-08 16:08:31,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 16:08:31,981 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 16:08:31,981 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 16:08:31,982 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 16:08:31,996 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:31,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,001 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,017 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 16:08:32,018 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,018 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,028 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,032 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,035 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,037 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,041 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 16:08:32,042 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 16:08:32,042 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 16:08:32,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 16:08:32,047 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (1/1) ... [2024-11-08 16:08:32,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 16:08:32,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 16:08:32,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 16:08:32,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 16:08:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 16:08:32,137 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 16:08:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 16:08:32,138 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 16:08:32,138 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 16:08:32,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 16:08:32,240 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 16:08:32,243 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 16:08:32,647 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-08 16:08:32,649 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 16:08:32,669 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 16:08:32,669 INFO L316 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-08 16:08:32,670 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:08:32 BoogieIcfgContainer [2024-11-08 16:08:32,670 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 16:08:32,673 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 16:08:32,673 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 16:08:32,677 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 16:08:32,678 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 04:08:31" (1/3) ... [2024-11-08 16:08:32,680 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5038c683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:08:32, skipping insertion in model container [2024-11-08 16:08:32,680 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 04:08:31" (2/3) ... [2024-11-08 16:08:32,682 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5038c683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 04:08:32, skipping insertion in model container [2024-11-08 16:08:32,682 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:08:32" (3/3) ... [2024-11-08 16:08:32,684 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-9.i [2024-11-08 16:08:32,726 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 16:08:32,726 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 16:08:32,823 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 16:08:32,831 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;@4ea169cc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 16:08:32,832 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 16:08:32,837 INFO L276 IsEmpty]: Start isEmpty. Operand has 35 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:08:32,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 16:08:32,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:32,849 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 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 16:08:32,850 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:32,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:32,859 INFO L85 PathProgramCache]: Analyzing trace with hash 2119142443, now seen corresponding path program 1 times [2024-11-08 16:08:32,877 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:08:32,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2019491708] [2024-11-08 16:08:32,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:32,878 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:32,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:08:32,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:08:32,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-08 16:08:33,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:33,111 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 16:08:33,122 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:08:33,169 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2024-11-08 16:08:33,170 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:08:33,172 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:08:33,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2019491708] [2024-11-08 16:08:33,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2019491708] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:33,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:33,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 16:08:33,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508964989] [2024-11-08 16:08:33,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:33,184 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 16:08:33,184 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:08:33,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 16:08:33,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 16:08:33,221 INFO L87 Difference]: Start difference. First operand has 35 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 28 states have internal predecessors, (37), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:08:33,254 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:33,255 INFO L93 Difference]: Finished difference Result 66 states and 94 transitions. [2024-11-08 16:08:33,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 16:08:33,258 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 43 [2024-11-08 16:08:33,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:33,267 INFO L225 Difference]: With dead ends: 66 [2024-11-08 16:08:33,267 INFO L226 Difference]: Without dead ends: 30 [2024-11-08 16:08:33,271 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 42 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 16:08:33,282 INFO L432 NwaCegarLoop]: 42 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, 42 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 16:08:33,283 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 16:08:33,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2024-11-08 16:08:33,334 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2024-11-08 16:08:33,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 23 states have (on average 1.173913043478261) internal successors, (27), 23 states have internal predecessors, (27), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-08 16:08:33,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2024-11-08 16:08:33,343 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 43 [2024-11-08 16:08:33,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:33,344 INFO L471 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2024-11-08 16:08:33,345 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.5) internal successors, (25), 2 states have internal predecessors, (25), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-08 16:08:33,345 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2024-11-08 16:08:33,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-08 16:08:33,349 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:33,350 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 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 16:08:33,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-08 16:08:33,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:33,551 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:33,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:33,553 INFO L85 PathProgramCache]: Analyzing trace with hash -1111994067, now seen corresponding path program 1 times [2024-11-08 16:08:33,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:08:33,554 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [816212851] [2024-11-08 16:08:33,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:33,554 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:33,554 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:08:33,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:08:33,562 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-08 16:08:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:33,758 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:08:33,766 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:08:33,947 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:08:33,947 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:08:33,948 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:08:33,948 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [816212851] [2024-11-08 16:08:33,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [816212851] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:33,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 16:08:33,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121291701] [2024-11-08 16:08:33,950 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:33,951 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:08:33,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:08:33,952 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:08:33,953 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:08:33,953 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:34,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:34,138 INFO L93 Difference]: Finished difference Result 94 states and 116 transitions. [2024-11-08 16:08:34,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:08:34,139 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 43 [2024-11-08 16:08:34,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:34,141 INFO L225 Difference]: With dead ends: 94 [2024-11-08 16:08:34,141 INFO L226 Difference]: Without dead ends: 67 [2024-11-08 16:08:34,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 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 16:08:34,144 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 39 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:34,145 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 101 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 13 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:34,146 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-11-08 16:08:34,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 55. [2024-11-08 16:08:34,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.1666666666666667) internal successors, (49), 42 states have internal predecessors, (49), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:08:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 69 transitions. [2024-11-08 16:08:34,174 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 69 transitions. Word has length 43 [2024-11-08 16:08:34,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:34,175 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 69 transitions. [2024-11-08 16:08:34,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:34,176 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 69 transitions. [2024-11-08 16:08:34,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 16:08:34,178 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:34,179 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 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 16:08:34,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 16:08:34,380 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:34,380 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:34,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:34,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1463318227, now seen corresponding path program 1 times [2024-11-08 16:08:34,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:08:34,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1884105624] [2024-11-08 16:08:34,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:34,383 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:34,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:08:34,386 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:08:34,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-08 16:08:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:34,523 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-08 16:08:34,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:08:34,639 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2024-11-08 16:08:34,639 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:08:34,640 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:08:34,640 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1884105624] [2024-11-08 16:08:34,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1884105624] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:34,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:34,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 16:08:34,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593254212] [2024-11-08 16:08:34,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:34,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 16:08:34,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:08:34,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 16:08:34,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:08:34,644 INFO L87 Difference]: Start difference. First operand 55 states and 69 transitions. Second operand has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:34,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:34,787 INFO L93 Difference]: Finished difference Result 125 states and 157 transitions. [2024-11-08 16:08:34,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 16:08:34,788 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2024-11-08 16:08:34,788 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:34,789 INFO L225 Difference]: With dead ends: 125 [2024-11-08 16:08:34,790 INFO L226 Difference]: Without dead ends: 73 [2024-11-08 16:08:34,791 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-08 16:08:34,792 INFO L432 NwaCegarLoop]: 54 mSDtfsCounter, 30 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:34,793 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 93 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 16:08:34,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-08 16:08:34,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 55. [2024-11-08 16:08:34,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 42 states have (on average 1.119047619047619) internal successors, (47), 42 states have internal predecessors, (47), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:08:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 67 transitions. [2024-11-08 16:08:34,812 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 67 transitions. Word has length 44 [2024-11-08 16:08:34,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:34,813 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 67 transitions. [2024-11-08 16:08:34,813 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.5) internal successors, (22), 4 states have internal predecessors, (22), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 67 transitions. [2024-11-08 16:08:34,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 16:08:34,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:34,815 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 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 16:08:34,820 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 16:08:35,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:35,019 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:35,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:35,020 INFO L85 PathProgramCache]: Analyzing trace with hash -1461471185, now seen corresponding path program 1 times [2024-11-08 16:08:35,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:08:35,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1224318436] [2024-11-08 16:08:35,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:35,021 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:35,021 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:08:35,030 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:08:35,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 16:08:35,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:35,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:08:35,141 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:08:46,674 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:08:46,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:08:46,675 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:08:46,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1224318436] [2024-11-08 16:08:46,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1224318436] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:46,681 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:46,681 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:08:46,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1785421121] [2024-11-08 16:08:46,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:46,682 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:46,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:08:46,683 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:46,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:46,684 INFO L87 Difference]: Start difference. First operand 55 states and 67 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:48,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:48,122 INFO L93 Difference]: Finished difference Result 81 states and 91 transitions. [2024-11-08 16:08:48,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:08:48,123 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2024-11-08 16:08:48,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:48,125 INFO L225 Difference]: With dead ends: 81 [2024-11-08 16:08:48,125 INFO L226 Difference]: Without dead ends: 79 [2024-11-08 16:08:48,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:08:48,127 INFO L432 NwaCegarLoop]: 23 mSDtfsCounter, 75 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:48,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 127 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-08 16:08:48,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-08 16:08:48,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 68. [2024-11-08 16:08:48,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 53 states have (on average 1.0943396226415094) internal successors, (58), 53 states have internal predecessors, (58), 10 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-08 16:08:48,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 78 transitions. [2024-11-08 16:08:48,147 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 78 transitions. Word has length 44 [2024-11-08 16:08:48,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:48,151 INFO L471 AbstractCegarLoop]: Abstraction has 68 states and 78 transitions. [2024-11-08 16:08:48,152 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:48,152 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 78 transitions. [2024-11-08 16:08:48,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-08 16:08:48,153 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 16:08:48,154 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 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 16:08:48,162 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 16:08:48,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:48,355 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 16:08:48,356 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 16:08:48,356 INFO L85 PathProgramCache]: Analyzing trace with hash 313536177, now seen corresponding path program 1 times [2024-11-08 16:08:48,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 16:08:48,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1245425756] [2024-11-08 16:08:48,357 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 16:08:48,358 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:48,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 16:08:48,362 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-08 16:08:48,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 16:08:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 16:08:48,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 16:08:48,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 16:08:53,675 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-08 16:08:53,675 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 16:08:53,676 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 16:08:53,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1245425756] [2024-11-08 16:08:53,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1245425756] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 16:08:53,677 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 16:08:53,677 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 16:08:53,677 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [978395438] [2024-11-08 16:08:53,677 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 16:08:53,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 16:08:53,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 16:08:53,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 16:08:53,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-11-08 16:08:53,680 INFO L87 Difference]: Start difference. First operand 68 states and 78 transitions. Second operand has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:55,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 16:08:55,261 INFO L93 Difference]: Finished difference Result 79 states and 89 transitions. [2024-11-08 16:08:55,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 16:08:55,263 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) Word has length 44 [2024-11-08 16:08:55,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 16:08:55,264 INFO L225 Difference]: With dead ends: 79 [2024-11-08 16:08:55,264 INFO L226 Difference]: Without dead ends: 0 [2024-11-08 16:08:55,265 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=122, Invalid=340, Unknown=0, NotChecked=0, Total=462 [2024-11-08 16:08:55,266 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 55 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 16:08:55,269 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 124 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 16:08:55,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-08 16:08:55,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-08 16:08:55,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-08 16:08:55,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-08 16:08:55,271 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 44 [2024-11-08 16:08:55,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 16:08:55,271 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-08 16:08:55,272 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.0833333333333335) internal successors, (25), 11 states have internal predecessors, (25), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 1 states have call successors, (5) [2024-11-08 16:08:55,272 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-08 16:08:55,272 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-08 16:08:55,279 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 16:08:55,289 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 16:08:55,483 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-08 16:08:55,488 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-08 16:08:55,492 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-08 16:08:57,476 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 16:08:57,493 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,495 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:08:57,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,497 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,498 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:08:57,499 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,511 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:08:57,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:08:57,512 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:08:57,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,513 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: currentRoundingMode [2024-11-08 16:08:57,514 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven [2024-11-08 16:08:57,521 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 04:08:57 BoogieIcfgContainer [2024-11-08 16:08:57,521 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 16:08:57,522 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 16:08:57,522 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 16:08:57,523 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 16:08:57,524 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 04:08:32" (3/4) ... [2024-11-08 16:08:57,527 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-08 16:08:57,533 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure assume_abort_if_not [2024-11-08 16:08:57,540 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-08 16:08:57,540 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-08 16:08:57,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-08 16:08:57,541 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-08 16:08:57,658 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/witness.graphml [2024-11-08 16:08:57,658 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/witness.yml [2024-11-08 16:08:57,659 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 16:08:57,659 INFO L158 Benchmark]: Toolchain (without parser) took 26222.75ms. Allocated memory was 67.1MB in the beginning and 513.8MB in the end (delta: 446.7MB). Free memory was 42.9MB in the beginning and 349.3MB in the end (delta: -306.4MB). Peak memory consumption was 141.3MB. Max. memory is 16.1GB. [2024-11-08 16:08:57,660 INFO L158 Benchmark]: CDTParser took 1.31ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:08:57,660 INFO L158 Benchmark]: CACSL2BoogieTranslator took 490.29ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.8MB in the beginning and 62.6MB in the end (delta: -19.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. [2024-11-08 16:08:57,660 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.94ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 61.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 16:08:57,661 INFO L158 Benchmark]: Boogie Preprocessor took 59.98ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 58.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:08:57,661 INFO L158 Benchmark]: RCFGBuilder took 628.05ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 44.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-08 16:08:57,663 INFO L158 Benchmark]: TraceAbstraction took 24848.44ms. Allocated memory was 86.0MB in the beginning and 513.8MB in the end (delta: 427.8MB). Free memory was 44.0MB in the beginning and 354.6MB in the end (delta: -310.6MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. [2024-11-08 16:08:57,663 INFO L158 Benchmark]: Witness Printer took 136.91ms. Allocated memory is still 513.8MB. Free memory was 354.6MB in the beginning and 349.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 16:08:57,666 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.31ms. Allocated memory is still 67.1MB. Free memory was 42.9MB in the beginning and 42.8MB in the end (delta: 81.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 490.29ms. Allocated memory was 67.1MB in the beginning and 86.0MB in the end (delta: 18.9MB). Free memory was 42.8MB in the beginning and 62.6MB in the end (delta: -19.8MB). Peak memory consumption was 15.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.94ms. Allocated memory is still 86.0MB. Free memory was 62.6MB in the beginning and 61.0MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 59.98ms. Allocated memory is still 86.0MB. Free memory was 60.7MB in the beginning and 58.4MB in the end (delta: 2.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 628.05ms. Allocated memory is still 86.0MB. Free memory was 58.4MB in the beginning and 44.6MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 24848.44ms. Allocated memory was 86.0MB in the beginning and 513.8MB in the end (delta: 427.8MB). Free memory was 44.0MB in the beginning and 354.6MB in the end (delta: -310.6MB). Peak memory consumption was 119.2MB. Max. memory is 16.1GB. * Witness Printer took 136.91ms. Allocated memory is still 513.8MB. Free memory was 354.6MB in the beginning and 349.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: currentRoundingMode - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Unknown variable: ~roundNearestTiesToEven * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 22.7s, OverallIterations: 5, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 201 SdHoareTripleChecker+Valid, 1.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 199 mSDsluCounter, 487 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 301 mSDsCounter, 35 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 319 IncrementalHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 35 mSolverCounterUnsat, 186 mSDtfsCounter, 319 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 234 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=68occurred in iteration=4, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 41 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 17.1s InterpolantComputationTime, 218 NumberOfCodeBlocks, 218 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 213 ConstructedInterpolants, 0 QuantifiedInterpolants, 1106 SizeOfPredicates, 21 NumberOfNonLiveVariables, 424 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 200/200 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 82]: Loop Invariant Derived loop invariant: (((100 == last_1_var_1_8) && (var_1_8 == 100)) || (((var_1_10 == var_1_11) && (var_1_1 == var_1_3)) && (var_1_9 == 64))) - ProcedureContractResult [Line: 20]: Procedure Contract for assume_abort_if_not Derived contract for procedure assume_abort_if_not. Requires: (((100 == last_1_var_1_8) && (var_1_8 == 100)) || (var_1_9 == 64)) Ensures: (((0 != cond) && (((100 == last_1_var_1_8) && (var_1_8 == 100)) || (var_1_9 == 64))) && (((((((((((isInitial == \old(isInitial)) && (var_1_1 == \old(var_1_1))) && (var_1_3 == \old(var_1_3))) && (var_1_7 == \old(var_1_7))) && (var_1_8 == \old(var_1_8))) && (var_1_9 == \old(var_1_9))) && (var_1_10 == \old(var_1_10))) && (var_1_11 == \old(var_1_11))) && (var_1_12 == \old(var_1_12))) && (last_1_var_1_8 == \old(last_1_var_1_8))) && (last_1_var_1_10 == \old(last_1_var_1_10)))) RESULT: Ultimate proved your program to be correct! [2024-11-08 16:08:57,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f868f19d-f312-4de9-ae1d-7793779709f4/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE