./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:20:22,458 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:20:22,562 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:20:22,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:20:22,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:20:22,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:20:22,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:20:22,615 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:20:22,616 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:20:22,617 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:20:22,617 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:20:22,618 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:20:22,619 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:20:22,620 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:20:22,620 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:20:22,623 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:20:22,623 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:20:22,623 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:20:22,624 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:20:22,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:20:22,625 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:20:22,629 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:20:22,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:20:22,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:20:22,630 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:20:22,631 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:20:22,631 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:20:22,632 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:20:22,632 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:20:22,632 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:20:22,633 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:20:22,633 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:20:22,633 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:22,642 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:20:22,643 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:20:22,643 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:20:22,643 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:20:22,644 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:20:22,644 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:20:22,644 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:20:22,645 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:20:22,645 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:20:22,646 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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f [2024-11-08 17:20:22,966 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:20:23,010 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:20:23,017 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:20:23,031 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:20:23,032 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:20:23,034 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i Unable to find full path for "g++" [2024-11-08 17:20:25,059 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:20:25,322 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:20:25,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-08 17:20:25,338 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data/d36f72934/ff0c6540c5834aab8bbcfc46932af1da/FLAG4534cc51d [2024-11-08 17:20:25,658 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data/d36f72934/ff0c6540c5834aab8bbcfc46932af1da [2024-11-08 17:20:25,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:20:25,663 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:20:25,664 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:20:25,664 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:20:25,672 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:20:25,673 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:20:25" (1/1) ... [2024-11-08 17:20:25,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d3acba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:25, skipping insertion in model container [2024-11-08 17:20:25,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:20:25" (1/1) ... [2024-11-08 17:20:25,734 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:20:25,928 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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i[919,932] [2024-11-08 17:20:26,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:20:26,023 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:20:26,034 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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i[919,932] [2024-11-08 17:20:26,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:20:26,102 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:20:26,103 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26 WrapperNode [2024-11-08 17:20:26,103 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:20:26,104 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:20:26,104 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:20:26,105 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:20:26,113 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,138 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,189 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 191 [2024-11-08 17:20:26,190 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:20:26,191 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:20:26,191 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:20:26,191 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:20:26,203 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,203 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,208 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,239 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:20:26,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,260 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,275 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,278 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,291 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:20:26,292 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:20:26,292 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:20:26,296 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:20:26,297 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (1/1) ... [2024-11-08 17:20:26,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:20:26,321 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:26,342 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:20:26,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:20:26,381 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:20:26,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:20:26,383 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:20:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:20:26,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:20:26,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:20:26,502 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:20:26,504 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:20:27,087 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:20:27,088 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:20:27,101 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:20:27,101 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:20:27,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:27 BoogieIcfgContainer [2024-11-08 17:20:27,102 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:20:27,104 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:20:27,104 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:20:27,108 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:20:27,108 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:20:25" (1/3) ... [2024-11-08 17:20:27,109 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7621127b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:20:27, skipping insertion in model container [2024-11-08 17:20:27,109 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:20:26" (2/3) ... [2024-11-08 17:20:27,110 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7621127b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:20:27, skipping insertion in model container [2024-11-08 17:20:27,110 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:27" (3/3) ... [2024-11-08 17:20:27,111 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-08 17:20:27,132 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:20:27,132 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:20:27,200 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:20:27,209 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;@39f5b2e9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:20:27,209 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:20:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 61 states have internal predecessors, (89), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:20:27,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:20:27,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:27,236 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:27,236 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:27,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:27,244 INFO L85 PathProgramCache]: Analyzing trace with hash -2053336363, now seen corresponding path program 1 times [2024-11-08 17:20:27,255 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:27,255 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47543126] [2024-11-08 17:20:27,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:27,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:27,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:20:27,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:20:27,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,667 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:20:27,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,675 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:20:27,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:20:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,698 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:27,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,706 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:27,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,717 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:20:27,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:20:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:20:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:20:27,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:20:27,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:20:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,768 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:20:27,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,773 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:20:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,778 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:20:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,782 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:20:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:20:27,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,804 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:20:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:27,819 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:20:27,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:27,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47543126] [2024-11-08 17:20:27,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47543126] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:27,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:27,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:20:27,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874702607] [2024-11-08 17:20:27,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:27,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:20:27,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:27,860 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:20:27,860 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:20:27,863 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.4833333333333334) internal successors, (89), 61 states have internal predecessors, (89), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:20:27,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:27,910 INFO L93 Difference]: Finished difference Result 159 states and 272 transitions. [2024-11-08 17:20:27,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:20:27,914 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 140 [2024-11-08 17:20:27,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:27,924 INFO L225 Difference]: With dead ends: 159 [2024-11-08 17:20:27,924 INFO L226 Difference]: Without dead ends: 79 [2024-11-08 17:20:27,930 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:20:27,936 INFO L432 NwaCegarLoop]: 120 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, 120 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:27,937 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:20:27,959 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2024-11-08 17:20:27,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2024-11-08 17:20:28,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 57 states have internal predecessors, (80), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:20:28,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 120 transitions. [2024-11-08 17:20:28,007 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 120 transitions. Word has length 140 [2024-11-08 17:20:28,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:28,008 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 120 transitions. [2024-11-08 17:20:28,008 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.5) internal successors, (43), 2 states have internal predecessors, (43), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:20:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 120 transitions. [2024-11-08 17:20:28,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:20:28,015 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:28,017 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:28,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:20:28,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:28,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:28,018 INFO L85 PathProgramCache]: Analyzing trace with hash -1826586659, now seen corresponding path program 1 times [2024-11-08 17:20:28,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:28,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34888505] [2024-11-08 17:20:28,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:28,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:20:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,383 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:20:28,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,391 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:20:28,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:20:28,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:20:28,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,414 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:28,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,426 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:28,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,433 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:20:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,439 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:20:28,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,448 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:20:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,457 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:20:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:20:28,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,465 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:20:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:20:28,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,477 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:20:28,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,481 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:20:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:20:28,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,514 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:20:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,521 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:20:28,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:28,528 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:20:28,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:28,533 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34888505] [2024-11-08 17:20:28,533 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34888505] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:28,533 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:28,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-08 17:20:28,534 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129476043] [2024-11-08 17:20:28,534 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:28,535 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:20:28,536 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:28,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:20:28,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-08 17:20:28,541 INFO L87 Difference]: Start difference. First operand 79 states and 120 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:28,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:28,630 INFO L93 Difference]: Finished difference Result 206 states and 313 transitions. [2024-11-08 17:20:28,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:20:28,631 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-08 17:20:28,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:28,634 INFO L225 Difference]: With dead ends: 206 [2024-11-08 17:20:28,635 INFO L226 Difference]: Without dead ends: 130 [2024-11-08 17:20:28,636 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 42 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 17:20:28,637 INFO L432 NwaCegarLoop]: 177 mSDtfsCounter, 66 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:28,638 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 285 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:20:28,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2024-11-08 17:20:28,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 127. [2024-11-08 17:20:28,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 98 states have (on average 1.4285714285714286) internal successors, (140), 99 states have internal predecessors, (140), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 25 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-08 17:20:28,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 192 transitions. [2024-11-08 17:20:28,670 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 192 transitions. Word has length 140 [2024-11-08 17:20:28,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:28,674 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 192 transitions. [2024-11-08 17:20:28,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 192 transitions. [2024-11-08 17:20:28,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:20:28,678 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:28,678 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:28,682 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:20:28,682 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:28,682 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:28,682 INFO L85 PathProgramCache]: Analyzing trace with hash 1188516959, now seen corresponding path program 1 times [2024-11-08 17:20:28,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:28,683 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387421993] [2024-11-08 17:20:28,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:28,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:28,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,319 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:20:29,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,341 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:20:29,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:20:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,375 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:20:29,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,390 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:20:29,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:29,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,425 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:20:29,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,453 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:20:29,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,464 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:20:29,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,485 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:20:29,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:20:29,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:20:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:20:29,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:20:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,562 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:20:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,575 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:20:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:20:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:20:29,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:29,634 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:20:29,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:29,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387421993] [2024-11-08 17:20:29,636 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387421993] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:29,636 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:29,636 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:20:29,637 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506047378] [2024-11-08 17:20:29,637 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:29,638 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:20:29,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:29,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:20:29,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:20:29,639 INFO L87 Difference]: Start difference. First operand 127 states and 192 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:30,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:30,265 INFO L93 Difference]: Finished difference Result 365 states and 557 transitions. [2024-11-08 17:20:30,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:20:30,266 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-08 17:20:30,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:30,274 INFO L225 Difference]: With dead ends: 365 [2024-11-08 17:20:30,274 INFO L226 Difference]: Without dead ends: 241 [2024-11-08 17:20:30,275 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-08 17:20:30,279 INFO L432 NwaCegarLoop]: 104 mSDtfsCounter, 119 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:30,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 436 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:20:30,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 241 states. [2024-11-08 17:20:30,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 241 to 195. [2024-11-08 17:20:30,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 195 states, 145 states have (on average 1.4413793103448276) internal successors, (209), 146 states have internal predecessors, (209), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-11-08 17:20:30,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 301 transitions. [2024-11-08 17:20:30,338 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 301 transitions. Word has length 140 [2024-11-08 17:20:30,339 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:30,339 INFO L471 AbstractCegarLoop]: Abstraction has 195 states and 301 transitions. [2024-11-08 17:20:30,339 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:30,339 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 301 transitions. [2024-11-08 17:20:30,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:20:30,346 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:30,346 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:30,346 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:20:30,347 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:30,347 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:30,347 INFO L85 PathProgramCache]: Analyzing trace with hash 889851643, now seen corresponding path program 1 times [2024-11-08 17:20:30,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:30,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90785398] [2024-11-08 17:20:30,348 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:30,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:30,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,579 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:20:30,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,584 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:20:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:20:30,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:20:30,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,599 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:20:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:30,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:30,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:20:30,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,615 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:20:30,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,620 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:20:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:20:30,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,630 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:20:30,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:20:30,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,643 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:20:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:20:30,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:20:30,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,658 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:20:30,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,671 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:20:30,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:20:30,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:30,681 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:20:30,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:30,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90785398] [2024-11-08 17:20:30,682 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90785398] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:30,682 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:30,682 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:20:30,683 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264551634] [2024-11-08 17:20:30,683 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:30,683 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:20:30,684 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:30,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:20:30,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:20:30,685 INFO L87 Difference]: Start difference. First operand 195 states and 301 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:30,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:30,808 INFO L93 Difference]: Finished difference Result 449 states and 687 transitions. [2024-11-08 17:20:30,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:20:30,808 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-08 17:20:30,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:30,811 INFO L225 Difference]: With dead ends: 449 [2024-11-08 17:20:30,812 INFO L226 Difference]: Without dead ends: 319 [2024-11-08 17:20:30,813 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:20:30,814 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 77 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:30,814 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 314 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:20:30,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2024-11-08 17:20:30,855 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 317. [2024-11-08 17:20:30,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 239 states have (on average 1.4267782426778242) internal successors, (341), 241 states have internal predecessors, (341), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 17:20:30,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 485 transitions. [2024-11-08 17:20:30,859 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 485 transitions. Word has length 141 [2024-11-08 17:20:30,860 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:30,860 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 485 transitions. [2024-11-08 17:20:30,860 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:30,861 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 485 transitions. [2024-11-08 17:20:30,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:20:30,863 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:30,863 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:30,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-08 17:20:30,863 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:30,864 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:30,864 INFO L85 PathProgramCache]: Analyzing trace with hash 691153997, now seen corresponding path program 1 times [2024-11-08 17:20:30,864 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:30,864 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1747927368] [2024-11-08 17:20:30,865 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:30,865 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:30,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,151 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:20:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:20:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:20:31,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:20:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:20:31,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,181 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:31,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,194 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:31,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:20:31,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,207 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:20:31,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:20:31,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,220 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:20:31,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,226 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:20:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:20:31,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,241 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:20:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,247 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:20:31,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:20:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:20:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,264 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:31,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:20:31,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:20:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:20:31,295 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:31,295 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1747927368] [2024-11-08 17:20:31,295 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1747927368] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:20:31,296 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:20:31,296 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:20:31,296 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [122085724] [2024-11-08 17:20:31,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:20:31,297 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:20:31,297 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:31,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:20:31,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:20:31,302 INFO L87 Difference]: Start difference. First operand 317 states and 485 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:31,675 INFO L93 Difference]: Finished difference Result 701 states and 1052 transitions. [2024-11-08 17:20:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-08 17:20:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 143 [2024-11-08 17:20:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:31,679 INFO L225 Difference]: With dead ends: 701 [2024-11-08 17:20:31,679 INFO L226 Difference]: Without dead ends: 455 [2024-11-08 17:20:31,681 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:20:31,682 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 178 mSDsluCounter, 256 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 184 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:31,682 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 362 Invalid, 184 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:20:31,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 455 states. [2024-11-08 17:20:31,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 455 to 335. [2024-11-08 17:20:31,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 335 states, 257 states have (on average 1.4319066147859922) internal successors, (368), 259 states have internal predecessors, (368), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 17:20:31,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 512 transitions. [2024-11-08 17:20:31,727 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 512 transitions. Word has length 143 [2024-11-08 17:20:31,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:31,728 INFO L471 AbstractCegarLoop]: Abstraction has 335 states and 512 transitions. [2024-11-08 17:20:31,728 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:20:31,728 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 512 transitions. [2024-11-08 17:20:31,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-08 17:20:31,730 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:31,731 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:31,731 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:20:31,731 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:31,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:31,732 INFO L85 PathProgramCache]: Analyzing trace with hash 104347983, now seen corresponding path program 1 times [2024-11-08 17:20:31,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:31,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249806185] [2024-11-08 17:20:31,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:31,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:31,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,295 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:20:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:20:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:20:32,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:20:32,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:20:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:20:32,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:20:32,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:20:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:20:32,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:20:32,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,364 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:20:32,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,398 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:20:32,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:20:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,410 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:20:32,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,416 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:20:32,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,422 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:20:32,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:20:32,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,435 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2024-11-08 17:20:32,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,441 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2024-11-08 17:20:32,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 111 [2024-11-08 17:20:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,453 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 27 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2024-11-08 17:20:32,454 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:32,454 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249806185] [2024-11-08 17:20:32,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249806185] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:20:32,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [345075730] [2024-11-08 17:20:32,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:32,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:32,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:32,457 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:20:32,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:20:32,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:32,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:20:32,625 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:20:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 417 proven. 78 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-08 17:20:33,162 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:20:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 30 proven. 81 refuted. 0 times theorem prover too weak. 649 trivial. 0 not checked. [2024-11-08 17:20:33,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [345075730] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:20:33,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:20:33,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 18 [2024-11-08 17:20:33,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668716051] [2024-11-08 17:20:33,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:20:33,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-08 17:20:33,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:33,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-08 17:20:33,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=234, Unknown=0, NotChecked=0, Total=306 [2024-11-08 17:20:33,862 INFO L87 Difference]: Start difference. First operand 335 states and 512 transitions. Second operand has 18 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-08 17:20:35,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:35,225 INFO L93 Difference]: Finished difference Result 731 states and 1069 transitions. [2024-11-08 17:20:35,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-08 17:20:35,226 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) Word has length 143 [2024-11-08 17:20:35,227 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:35,230 INFO L225 Difference]: With dead ends: 731 [2024-11-08 17:20:35,231 INFO L226 Difference]: Without dead ends: 447 [2024-11-08 17:20:35,232 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 351 GetRequests, 317 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=333, Invalid=927, Unknown=0, NotChecked=0, Total=1260 [2024-11-08 17:20:35,235 INFO L432 NwaCegarLoop]: 58 mSDtfsCounter, 776 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 708 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 778 SdHoareTripleChecker+Valid, 371 SdHoareTripleChecker+Invalid, 857 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 708 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:35,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [778 Valid, 371 Invalid, 857 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [149 Valid, 708 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-08 17:20:35,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 447 states. [2024-11-08 17:20:35,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 447 to 361. [2024-11-08 17:20:35,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 361 states, 275 states have (on average 1.3381818181818181) internal successors, (368), 277 states have internal predecessors, (368), 72 states have call successors, (72), 13 states have call predecessors, (72), 13 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 17:20:35,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 361 states and 512 transitions. [2024-11-08 17:20:35,298 INFO L78 Accepts]: Start accepts. Automaton has 361 states and 512 transitions. Word has length 143 [2024-11-08 17:20:35,299 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:35,299 INFO L471 AbstractCegarLoop]: Abstraction has 361 states and 512 transitions. [2024-11-08 17:20:35,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 6.0) internal successors, (108), 18 states have internal predecessors, (108), 7 states have call successors, (58), 3 states have call predecessors, (58), 7 states have return successors, (59), 7 states have call predecessors, (59), 7 states have call successors, (59) [2024-11-08 17:20:35,299 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 512 transitions. [2024-11-08 17:20:35,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-08 17:20:35,301 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:35,301 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:35,324 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:20:35,502 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:35,502 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:35,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:35,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1538959603, now seen corresponding path program 1 times [2024-11-08 17:20:35,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:35,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1011628286] [2024-11-08 17:20:35,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:35,503 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:20:35,598 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518973802] [2024-11-08 17:20:35,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:35,599 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:35,599 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:35,600 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:20:35,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-08 17:20:35,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:20:35,756 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:20:35,761 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:20:36,229 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 438 proven. 57 refuted. 0 times theorem prover too weak. 265 trivial. 0 not checked. [2024-11-08 17:20:36,230 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:20:52,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:20:52,091 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1011628286] [2024-11-08 17:20:52,091 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-08 17:20:52,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518973802] [2024-11-08 17:20:52,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518973802] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:20:52,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:20:52,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-08 17:20:52,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731149129] [2024-11-08 17:20:52,093 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-08 17:20:52,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-08 17:20:52,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:20:52,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-08 17:20:52,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=57, Unknown=3, NotChecked=0, Total=90 [2024-11-08 17:20:52,095 INFO L87 Difference]: Start difference. First operand 361 states and 512 transitions. Second operand has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 17:20:59,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:20:59,234 INFO L93 Difference]: Finished difference Result 697 states and 970 transitions. [2024-11-08 17:20:59,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-08 17:20:59,256 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) Word has length 144 [2024-11-08 17:20:59,257 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:20:59,261 INFO L225 Difference]: With dead ends: 697 [2024-11-08 17:20:59,261 INFO L226 Difference]: Without dead ends: 395 [2024-11-08 17:20:59,262 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 226 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 16.7s TimeCoverageRelationStatistics Valid=58, Invalid=95, Unknown=3, NotChecked=0, Total=156 [2024-11-08 17:20:59,264 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 129 mSDsluCounter, 157 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 230 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:20:59,264 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 230 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 6.1s Time] [2024-11-08 17:20:59,265 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2024-11-08 17:20:59,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 385. [2024-11-08 17:20:59,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 385 states, 293 states have (on average 1.2969283276450512) internal successors, (380), 295 states have internal predecessors, (380), 72 states have call successors, (72), 19 states have call predecessors, (72), 19 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 17:20:59,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 524 transitions. [2024-11-08 17:20:59,317 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 524 transitions. Word has length 144 [2024-11-08 17:20:59,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:20:59,317 INFO L471 AbstractCegarLoop]: Abstraction has 385 states and 524 transitions. [2024-11-08 17:20:59,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 7.375) internal successors, (59), 8 states have internal predecessors, (59), 3 states have call successors, (20), 3 states have call predecessors, (20), 5 states have return successors, (20), 3 states have call predecessors, (20), 3 states have call successors, (20) [2024-11-08 17:20:59,318 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 524 transitions. [2024-11-08 17:20:59,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-08 17:20:59,320 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:20:59,320 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:20:59,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-08 17:20:59,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:59,521 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:20:59,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:20:59,522 INFO L85 PathProgramCache]: Analyzing trace with hash 196111550, now seen corresponding path program 1 times [2024-11-08 17:20:59,522 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:20:59,522 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622446934] [2024-11-08 17:20:59,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:59,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:20:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-08 17:20:59,655 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645831744] [2024-11-08 17:20:59,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:20:59,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:20:59,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:20:59,657 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:20:59,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-08 17:20:59,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:20:59,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:20:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:21:00,154 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:21:00,155 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:21:00,156 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:21:00,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-08 17:21:00,358 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:00,362 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:00,504 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:21:00,511 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:21:00 BoogieIcfgContainer [2024-11-08 17:21:00,513 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:21:00,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:21:00,514 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:21:00,514 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:21:00,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:20:27" (3/4) ... [2024-11-08 17:21:00,517 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:21:00,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:21:00,519 INFO L158 Benchmark]: Toolchain (without parser) took 34856.92ms. Allocated memory was 130.0MB in the beginning and 209.7MB in the end (delta: 79.7MB). Free memory was 66.1MB in the beginning and 89.6MB in the end (delta: -23.5MB). Peak memory consumption was 57.9MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,520 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:21:00,520 INFO L158 Benchmark]: CACSL2BoogieTranslator took 439.27ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 66.0MB in the beginning and 133.0MB in the end (delta: -67.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 85.86ms. Allocated memory is still 174.1MB. Free memory was 133.0MB in the beginning and 127.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,521 INFO L158 Benchmark]: Boogie Preprocessor took 100.27ms. Allocated memory is still 174.1MB. Free memory was 127.5MB in the beginning and 121.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,521 INFO L158 Benchmark]: RCFGBuilder took 810.44ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 121.9MB in the end (delta: -643.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,522 INFO L158 Benchmark]: TraceAbstraction took 33409.22ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 120.9MB in the beginning and 90.7MB in the end (delta: 30.2MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,522 INFO L158 Benchmark]: Witness Printer took 5.31ms. Allocated memory is still 209.7MB. Free memory was 90.7MB in the beginning and 89.6MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:21:00,524 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 130.0MB. Free memory is still 103.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 439.27ms. Allocated memory was 130.0MB in the beginning and 174.1MB in the end (delta: 44.0MB). Free memory was 66.0MB in the beginning and 133.0MB in the end (delta: -67.0MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 85.86ms. Allocated memory is still 174.1MB. Free memory was 133.0MB in the beginning and 127.5MB in the end (delta: 5.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 100.27ms. Allocated memory is still 174.1MB. Free memory was 127.5MB in the beginning and 121.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 810.44ms. Allocated memory is still 174.1MB. Free memory was 121.2MB in the beginning and 121.9MB in the end (delta: -643.6kB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * TraceAbstraction took 33409.22ms. Allocated memory was 174.1MB in the beginning and 209.7MB in the end (delta: 35.7MB). Free memory was 120.9MB in the beginning and 90.7MB in the end (delta: 30.2MB). Peak memory consumption was 67.9MB. Max. memory is 16.1GB. * Witness Printer took 5.31ms. Allocated memory is still 209.7MB. Free memory was 90.7MB in the beginning and 89.6MB 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 165, overapproximation of someUnaryDOUBLEoperation at line 81. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] signed char var_1_4 = 16; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 1; [L26] unsigned char var_1_8 = 1; [L27] unsigned char var_1_9 = 0; [L28] unsigned char var_1_10 = 128; [L29] unsigned char var_1_11 = 64; [L30] signed char var_1_12 = -10; [L31] signed char var_1_13 = -10; [L32] signed char var_1_14 = -25; [L33] double var_1_15 = 64.875; [L34] double var_1_17 = 1.625; [L35] double var_1_18 = 32.2; [L36] double var_1_19 = 8.6; [L37] double var_1_20 = 10.5; [L38] signed short int var_1_21 = -64; [L39] unsigned char var_1_22 = 25; [L40] unsigned char var_1_23 = 0; [L41] unsigned long int var_1_24 = 5; [L42] double var_1_25 = 0.75; [L43] unsigned char var_1_27 = 4; [L44] signed short int var_1_35 = -64; [L45] signed char var_1_36 = -10; [L46] signed long int var_1_39 = 256; [L47] double var_1_40 = 31.6; [L48] signed short int var_1_42 = 5; [L49] signed short int last_1_var_1_21 = -64; [L50] unsigned char last_1_var_1_22 = 25; VAL [isInitial=0, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L169] isInitial = 1 [L170] FCALL initially() [L171] COND TRUE 1 [L172] CALL updateLastVariables() [L161] last_1_var_1_21 = var_1_21 [L162] last_1_var_1_22 = var_1_22 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=16, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L172] RET updateLastVariables() [L173] CALL updateVariables() [L127] var_1_4 = __VERIFIER_nondet_char() [L128] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L128] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] CALL assume_abort_if_not(var_1_4 <= 32) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L129] RET assume_abort_if_not(var_1_4 <= 32) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L130] var_1_5 = __VERIFIER_nondet_uchar() [L131] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L131] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_6=1, var_1_8=1, var_1_9=0] [L132] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L132] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=0] [L133] var_1_6 = __VERIFIER_nondet_uchar() [L134] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L134] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_8=1, var_1_9=0] [L135] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L135] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L136] var_1_9 = __VERIFIER_nondet_uchar() [L137] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L137] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1] [L138] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L138] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=128, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L139] var_1_10 = __VERIFIER_nondet_uchar() [L140] CALL assume_abort_if_not(var_1_10 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L140] RET assume_abort_if_not(var_1_10 >= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L141] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=64, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L142] var_1_11 = __VERIFIER_nondet_uchar() [L143] CALL assume_abort_if_not(var_1_11 >= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L143] RET assume_abort_if_not(var_1_11 >= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] CALL assume_abort_if_not(var_1_11 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L144] RET assume_abort_if_not(var_1_11 <= 127) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=-10, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L145] var_1_13 = __VERIFIER_nondet_char() [L146] CALL assume_abort_if_not(var_1_13 >= -31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L146] RET assume_abort_if_not(var_1_13 >= -31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] CALL assume_abort_if_not(var_1_13 <= 31) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L147] RET assume_abort_if_not(var_1_13 <= 31) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-25, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L148] var_1_14 = __VERIFIER_nondet_char() [L149] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L149] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L150] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_17=13/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L151] var_1_17 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L152] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=161/5, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L153] var_1_18 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L154] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=43/5, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L155] var_1_19 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L156] RET assume_abort_if_not((var_1_19 >= -230584.3009213691390e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 2305843.009213691390e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_20=21/2, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L157] var_1_20 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L158] RET assume_abort_if_not((var_1_20 >= -230584.3009213691390e+13F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 2305843.009213691390e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=3/4, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L173] RET updateVariables() [L174] CALL step() [L54] var_1_25 = var_1_19 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L55] COND FALSE !((var_1_20 >= var_1_18) && (var_1_11 >= var_1_22)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L62] COND FALSE !(var_1_20 > var_1_18) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L67] COND TRUE var_1_11 >= (var_1_11 % ((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L68] COND FALSE !(var_1_11 < var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=256, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L74] COND TRUE var_1_1 > var_1_4 [L75] var_1_39 = ((((var_1_1) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (var_1_1) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L77] COND FALSE !(var_1_21 < ((((var_1_4) < (-64)) ? (var_1_4) : (-64)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L80] EXPR var_1_11 | var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=158/5, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L80] COND TRUE (var_1_11 | var_1_4) < (8 + var_1_11) [L81] var_1_40 = (((((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))) < 0 ) ? -((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))) : ((((((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) > (var_1_19)) ? (((((var_1_18) < 0 ) ? -(var_1_18) : (var_1_18)))) : (var_1_19))))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=5, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L84] var_1_42 = var_1_22 [L85] signed long int stepLocal_1 = ~ last_1_var_1_21; [L86] unsigned char stepLocal_0 = var_1_5; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L87] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_0=1, stepLocal_1=63, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=32, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L87] COND TRUE stepLocal_1 != (last_1_var_1_22 >> var_1_4) [L88] COND TRUE stepLocal_0 || var_1_6 [L89] var_1_1 = var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L96] COND FALSE !(\read(var_1_9)) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L99] unsigned short int stepLocal_3 = var_1_1; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_3=0, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=519/8, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L100] COND FALSE !(var_1_4 > stepLocal_3) [L103] var_1_15 = var_1_17 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=25, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L105] COND TRUE ((- var_1_11) < 8) || var_1_9 [L106] var_1_22 = (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=0, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L108] var_1_23 = (var_1_11 + var_1_4) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=5, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L109] COND TRUE var_1_18 <= var_1_20 [L110] var_1_24 = ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L116] COND FALSE !(var_1_6 || var_1_9) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L121] signed short int stepLocal_2 = var_1_21; VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, stepLocal_2=-64, var_1_10=127, var_1_11=-129, var_1_12=-10, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L122] COND TRUE var_1_10 > stepLocal_2 [L123] var_1_12 = ((var_1_4 + var_1_13) + var_1_14) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L174] RET step() [L175] CALL, EXPR property() [L165] EXPR last_1_var_1_22 >> var_1_4 VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L165-L166] return (((((((((~ last_1_var_1_21) != (last_1_var_1_22 >> var_1_4)) ? ((var_1_5 || var_1_6) ? (var_1_1 == ((unsigned short int) var_1_4)) : (var_1_1 == ((unsigned short int) last_1_var_1_22))) : (var_1_1 == ((unsigned short int) 100))) && (var_1_9 ? (var_1_8 == ((unsigned char) (var_1_10 - (var_1_11 - var_1_4)))) : 1)) && ((var_1_10 > var_1_21) ? (var_1_12 == ((signed char) ((var_1_4 + var_1_13) + var_1_14))) : 1)) && ((var_1_4 > var_1_1) ? (var_1_15 == ((double) ((var_1_17 - var_1_18) + (((((var_1_19) > (499.25)) ? (var_1_19) : (499.25))) + var_1_20)))) : (var_1_15 == ((double) var_1_17)))) && ((var_1_6 || var_1_9) ? (((var_1_24 % var_1_10) > var_1_22) ? (var_1_21 == ((signed short int) (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))) + var_1_14))) : 1) : 1)) && ((((- var_1_11) < 8) || var_1_9) ? (var_1_22 == ((unsigned char) (var_1_4 + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11)))))) : 1)) && (var_1_23 == ((unsigned char) (var_1_11 + var_1_4)))) && ((var_1_18 <= var_1_20) ? (var_1_24 == ((unsigned long int) ((((var_1_8) < ((var_1_8 + var_1_11))) ? (var_1_8) : ((var_1_8 + var_1_11)))))) : ((9.99999999999998E13 < var_1_20) ? (var_1_24 == ((unsigned long int) var_1_1)) : 1)) ; [L175] RET, EXPR property() [L175] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [isInitial=1, last_1_var_1_21=-64, last_1_var_1_22=25, var_1_10=127, var_1_11=-129, var_1_12=0, var_1_13=31, var_1_14=-31, var_1_15=4, var_1_17=4, var_1_18=0, var_1_19=2, var_1_1=0, var_1_21=-64, var_1_22=127, var_1_23=127, var_1_24=1, var_1_25=2, var_1_27=4, var_1_35=-64, var_1_36=-10, var_1_39=32, var_1_40=3, var_1_42=25, var_1_4=0, var_1_5=1, var_1_6=0, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 33.2s, OverallIterations: 8, TraceHistogramMax: 20, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1355 SdHoareTripleChecker+Valid, 7.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1345 mSDsluCounter, 2118 SdHoareTripleChecker+Invalid, 7.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1364 mSDsCounter, 295 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1282 IncrementalHoareTripleChecker+Invalid, 1577 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 295 mSolverCounterUnsat, 754 mSDtfsCounter, 1282 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 824 GetRequests, 763 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 273 ImplicationChecksByTransitivity, 17.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=385occurred in iteration=7, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 7 MinimizatonAttempts, 267 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 20.5s InterpolantComputationTime, 1568 NumberOfCodeBlocks, 1568 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1268 ConstructedInterpolants, 0 QuantifiedInterpolants, 5086 SizeOfPredicates, 5 NumberOfNonLiveVariables, 705 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 6597/6840 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:21:00,752 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forcibly destroying the process [2024-11-08 17:21:00,915 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:21:03,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:21:03,412 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:21:03,422 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:21:03,423 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:21:03,448 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:21:03,449 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:21:03,449 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:21:03,450 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:21:03,450 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:21:03,451 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:21:03,451 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:21:03,452 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:21:03,452 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:21:03,453 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:21:03,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:21:03,454 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:21:03,454 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:21:03,454 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:21:03,455 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:21:03,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:21:03,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:21:03,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:21:03,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:21:03,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:21:03,457 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:21:03,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:21:03,458 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:21:03,458 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:21:03,459 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:21:03,459 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:21:03,459 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:21:03,460 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:21:03,460 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:21:03,460 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:03,461 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:21:03,461 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:21:03,461 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:21:03,461 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:21:03,462 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:21:03,462 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:21:03,463 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:21:03,464 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:21:03,464 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:21:03,464 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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 062a802759b4aa2a0cbcb5cdde30f3437c09c950e76bee485cf882952e2d339f [2024-11-08 17:21:03,916 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:21:03,948 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:21:03,951 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:21:03,953 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:21:03,953 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:21:03,955 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i Unable to find full path for "g++" [2024-11-08 17:21:06,051 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:21:06,302 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:21:06,303 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-08 17:21:06,320 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data/762566aad/7f0ce5aaa2b94b7e895f17f592e89ff5/FLAG110f52fc3 [2024-11-08 17:21:06,338 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/data/762566aad/7f0ce5aaa2b94b7e895f17f592e89ff5 [2024-11-08 17:21:06,341 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:21:06,342 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:21:06,343 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:06,343 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:21:06,349 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:21:06,350 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:06,352 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b5161d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06, skipping insertion in model container [2024-11-08 17:21:06,352 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:06,399 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:21:06,644 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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i[919,932] [2024-11-08 17:21:06,757 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:06,781 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:21:06,798 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_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i[919,932] [2024-11-08 17:21:06,872 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:21:06,900 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:21:06,900 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06 WrapperNode [2024-11-08 17:21:06,901 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:21:06,902 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:06,902 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:21:06,902 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:21:06,910 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:06,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,000 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 165 [2024-11-08 17:21:07,004 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:21:07,005 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:21:07,005 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:21:07,005 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:21:07,026 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,026 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,030 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,054 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-08 17:21:07,054 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,070 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,080 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,086 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,092 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:21:07,101 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:21:07,101 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:21:07,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:21:07,102 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (1/1) ... [2024-11-08 17:21:07,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:21:07,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:07,143 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:21:07,150 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:21:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:21:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:21:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:21:07,182 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:21:07,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:21:07,184 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:21:07,307 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:21:07,309 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:21:13,883 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-08 17:21:13,883 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:21:13,898 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:21:13,899 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:21:13,899 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:13 BoogieIcfgContainer [2024-11-08 17:21:13,900 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:21:13,903 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:21:13,903 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:21:13,907 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:21:13,907 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:21:06" (1/3) ... [2024-11-08 17:21:13,908 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a342c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:13, skipping insertion in model container [2024-11-08 17:21:13,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:21:06" (2/3) ... [2024-11-08 17:21:13,909 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a342c05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:21:13, skipping insertion in model container [2024-11-08 17:21:13,909 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:21:13" (3/3) ... [2024-11-08 17:21:13,911 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-13.i [2024-11-08 17:21:13,931 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:21:13,932 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:21:14,018 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:21:14,027 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;@58851a61, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:21:14,027 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:21:14,032 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:21:14,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-08 17:21:14,051 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:14,052 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:14,053 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:14,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:14,061 INFO L85 PathProgramCache]: Analyzing trace with hash -695096846, now seen corresponding path program 1 times [2024-11-08 17:21:14,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:14,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2030537801] [2024-11-08 17:21:14,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:14,080 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 17:21:14,080 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:21:14,083 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:14,085 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:14,570 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:21:14,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:14,640 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 374 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-08 17:21:14,641 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:14,642 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:14,643 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2030537801] [2024-11-08 17:21:14,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2030537801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:14,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:14,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:21:14,647 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [423443349] [2024-11-08 17:21:14,648 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:14,653 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:21:14,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:14,684 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:21:14,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:21:14,688 INFO L87 Difference]: Start difference. First operand has 75 states, 52 states have (on average 1.4807692307692308) internal successors, (77), 53 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:21:14,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:14,741 INFO L93 Difference]: Finished difference Result 143 states and 248 transitions. [2024-11-08 17:21:14,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:21:14,743 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 137 [2024-11-08 17:21:14,744 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:14,750 INFO L225 Difference]: With dead ends: 143 [2024-11-08 17:21:14,750 INFO L226 Difference]: Without dead ends: 71 [2024-11-08 17:21:14,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:21:14,757 INFO L432 NwaCegarLoop]: 107 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, 107 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:14,758 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:21:14,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-08 17:21:14,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-08 17:21:14,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 49 states have (on average 1.3673469387755102) internal successors, (67), 49 states have internal predecessors, (67), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2024-11-08 17:21:14,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 107 transitions. [2024-11-08 17:21:14,807 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 107 transitions. Word has length 137 [2024-11-08 17:21:14,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:14,808 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 107 transitions. [2024-11-08 17:21:14,809 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:21:14,809 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 107 transitions. [2024-11-08 17:21:14,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2024-11-08 17:21:14,812 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:14,812 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:14,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:15,017 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:15,018 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:15,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:15,019 INFO L85 PathProgramCache]: Analyzing trace with hash 255127847, now seen corresponding path program 1 times [2024-11-08 17:21:15,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:15,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1999479385] [2024-11-08 17:21:15,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:15,023 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 17:21:15,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:21:15,025 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:15,027 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:15,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:15,509 INFO L255 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-08 17:21:15,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 19 proven. 57 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2024-11-08 17:21:17,843 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:21:19,625 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:21:19,626 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:19,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1999479385] [2024-11-08 17:21:19,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1999479385] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:21:19,627 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:21:19,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-08 17:21:19,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1263825955] [2024-11-08 17:21:19,628 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:19,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:21:19,630 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:19,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:21:19,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:21:19,631 INFO L87 Difference]: Start difference. First operand 71 states and 107 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:21:22,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:23,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:26,355 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.33s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:29,745 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.85s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:29,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:29,776 INFO L93 Difference]: Finished difference Result 229 states and 346 transitions. [2024-11-08 17:21:29,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:21:29,777 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2024-11-08 17:21:29,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:29,781 INFO L225 Difference]: With dead ends: 229 [2024-11-08 17:21:29,782 INFO L226 Difference]: Without dead ends: 161 [2024-11-08 17:21:29,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 274 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:21:29,784 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 129 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 293 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:29,785 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 293 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 10.1s Time] [2024-11-08 17:21:29,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-08 17:21:29,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 143. [2024-11-08 17:21:29,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 100 states have (on average 1.39) internal successors, (139), 100 states have internal predecessors, (139), 40 states have call successors, (40), 2 states have call predecessors, (40), 2 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2024-11-08 17:21:29,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 219 transitions. [2024-11-08 17:21:29,836 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 219 transitions. Word has length 138 [2024-11-08 17:21:29,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:29,837 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 219 transitions. [2024-11-08 17:21:29,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 2 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 2 states have call successors, (20) [2024-11-08 17:21:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 219 transitions. [2024-11-08 17:21:29,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-08 17:21:29,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:29,840 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:29,854 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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)] Ended with exit code 0 [2024-11-08 17:21:30,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:30,041 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:30,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:30,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1924805036, now seen corresponding path program 1 times [2024-11-08 17:21:30,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:30,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1143724173] [2024-11-08 17:21:30,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:30,043 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 17:21:30,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:21:30,046 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:30,050 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:30,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:30,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:21:30,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:21:32,744 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:32,745 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:32,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1143724173] [2024-11-08 17:21:32,746 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1143724173] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:32,746 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:21:32,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:21:32,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404346303] [2024-11-08 17:21:32,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:32,749 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:21:32,749 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:32,750 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:21:32,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:21:32,753 INFO L87 Difference]: Start difference. First operand 143 states and 219 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:21:36,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:39,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.32s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:39,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:39,271 INFO L93 Difference]: Finished difference Result 359 states and 548 transitions. [2024-11-08 17:21:39,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-08 17:21:39,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 139 [2024-11-08 17:21:39,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:39,276 INFO L225 Difference]: With dead ends: 359 [2024-11-08 17:21:39,276 INFO L226 Difference]: Without dead ends: 219 [2024-11-08 17:21:39,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-08 17:21:39,279 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 83 mSDsluCounter, 247 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 346 SdHoareTripleChecker+Invalid, 117 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:39,280 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 346 Invalid, 117 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 6.4s Time] [2024-11-08 17:21:39,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-08 17:21:39,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 193. [2024-11-08 17:21:39,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 193 states, 129 states have (on average 1.3565891472868217) internal successors, (175), 129 states have internal predecessors, (175), 60 states have call successors, (60), 3 states have call predecessors, (60), 3 states have return successors, (60), 60 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-08 17:21:39,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 193 states and 295 transitions. [2024-11-08 17:21:39,324 INFO L78 Accepts]: Start accepts. Automaton has 193 states and 295 transitions. Word has length 139 [2024-11-08 17:21:39,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:39,325 INFO L471 AbstractCegarLoop]: Abstraction has 193 states and 295 transitions. [2024-11-08 17:21:39,325 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:21:39,325 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 295 transitions. [2024-11-08 17:21:39,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:21:39,328 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:39,328 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:39,343 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:39,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:39,529 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:39,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:39,530 INFO L85 PathProgramCache]: Analyzing trace with hash 1518444777, now seen corresponding path program 1 times [2024-11-08 17:21:39,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:39,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [269710651] [2024-11-08 17:21:39,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:39,531 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 17:21:39,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:21:39,533 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:39,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:40,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:40,091 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:21:40,095 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:42,476 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 48 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-08 17:21:42,477 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:21:43,610 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:43,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [269710651] [2024-11-08 17:21:43,611 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [269710651] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:21:43,611 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1690959936] [2024-11-08 17:21:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:43,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:43,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:43,615 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:43,617 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-08 17:21:43,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:43,910 INFO L255 TraceCheckSpWp]: Trace formula consists of 236 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-08 17:21:43,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:44,045 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:21:44,045 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:21:44,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1690959936] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:21:44,045 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:21:44,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 11 [2024-11-08 17:21:44,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631163731] [2024-11-08 17:21:44,046 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:21:44,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-08 17:21:44,047 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:44,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-08 17:21:44,048 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:21:44,048 INFO L87 Difference]: Start difference. First operand 193 states and 295 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:21:46,837 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:21:47,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:21:47,295 INFO L93 Difference]: Finished difference Result 433 states and 660 transitions. [2024-11-08 17:21:47,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-08 17:21:47,296 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 140 [2024-11-08 17:21:47,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:21:47,299 INFO L225 Difference]: With dead ends: 433 [2024-11-08 17:21:47,300 INFO L226 Difference]: Without dead ends: 293 [2024-11-08 17:21:47,301 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 354 GetRequests, 339 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 85 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2024-11-08 17:21:47,303 INFO L432 NwaCegarLoop]: 150 mSDtfsCounter, 53 mSDsluCounter, 93 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 243 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-08 17:21:47,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 243 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-08 17:21:47,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-08 17:21:47,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 289. [2024-11-08 17:21:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 289 states, 211 states have (on average 1.3838862559241707) internal successors, (292), 213 states have internal predecessors, (292), 72 states have call successors, (72), 5 states have call predecessors, (72), 5 states have return successors, (72), 70 states have call predecessors, (72), 72 states have call successors, (72) [2024-11-08 17:21:47,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 436 transitions. [2024-11-08 17:21:47,349 INFO L78 Accepts]: Start accepts. Automaton has 289 states and 436 transitions. Word has length 140 [2024-11-08 17:21:47,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:21:47,350 INFO L471 AbstractCegarLoop]: Abstraction has 289 states and 436 transitions. [2024-11-08 17:21:47,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:21:47,351 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 436 transitions. [2024-11-08 17:21:47,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2024-11-08 17:21:47,357 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:21:47,357 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:21:47,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:47,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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)] Forceful destruction successful, exit code 0 [2024-11-08 17:21:47,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:47,758 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:21:47,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:21:47,759 INFO L85 PathProgramCache]: Analyzing trace with hash 931638763, now seen corresponding path program 1 times [2024-11-08 17:21:47,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:21:47,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [164376857] [2024-11-08 17:21:47,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:47,760 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 17:21:47,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:21:47,761 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:21:47,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 (7)] Waiting until timeout for monitored process [2024-11-08 17:21:48,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:48,158 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 17:21:48,162 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 410 proven. 48 refuted. 0 times theorem prover too weak. 302 trivial. 0 not checked. [2024-11-08 17:21:50,208 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:21:51,178 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:21:51,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [164376857] [2024-11-08 17:21:51,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [164376857] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:21:51,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132292137] [2024-11-08 17:21:51,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:21:51,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:21:51,179 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:21:51,185 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:21:51,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-08 17:21:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:21:51,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 235 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 17:21:51,434 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:21:52,799 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 399 proven. 27 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2024-11-08 17:21:52,800 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:21:53,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132292137] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:21:53,443 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:21:53,443 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6] total 9 [2024-11-08 17:21:53,443 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828221608] [2024-11-08 17:21:53,443 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:21:53,444 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-08 17:21:53,444 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:21:53,445 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-08 17:21:53,445 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:21:53,445 INFO L87 Difference]: Start difference. First operand 289 states and 436 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-08 17:21:59,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:02,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:04,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:05,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:05,314 INFO L93 Difference]: Finished difference Result 707 states and 1047 transitions. [2024-11-08 17:22:05,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-08 17:22:05,316 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) Word has length 140 [2024-11-08 17:22:05,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:05,320 INFO L225 Difference]: With dead ends: 707 [2024-11-08 17:22:05,320 INFO L226 Difference]: Without dead ends: 467 [2024-11-08 17:22:05,322 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 442 GetRequests, 414 SyntacticMatches, 3 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 183 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=240, Invalid=462, Unknown=0, NotChecked=0, Total=702 [2024-11-08 17:22:05,323 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 144 mSDsluCounter, 638 mSDsCounter, 0 mSdLazyCounter, 362 mSolverCounterSat, 61 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 717 SdHoareTripleChecker+Invalid, 423 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 61 IncrementalHoareTripleChecker+Valid, 362 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.9s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:05,324 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 717 Invalid, 423 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [61 Valid, 362 Invalid, 0 Unknown, 0 Unchecked, 10.9s Time] [2024-11-08 17:22:05,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2024-11-08 17:22:05,392 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 451. [2024-11-08 17:22:05,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 320 states have (on average 1.33125) internal successors, (426), 326 states have internal predecessors, (426), 118 states have call successors, (118), 12 states have call predecessors, (118), 12 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-08 17:22:05,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 662 transitions. [2024-11-08 17:22:05,400 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 662 transitions. Word has length 140 [2024-11-08 17:22:05,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:05,400 INFO L471 AbstractCegarLoop]: Abstraction has 451 states and 662 transitions. [2024-11-08 17:22:05,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 9 states have internal predecessors, (63), 3 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (29), 3 states have call predecessors, (29), 3 states have call successors, (29) [2024-11-08 17:22:05,401 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 662 transitions. [2024-11-08 17:22:05,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:22:05,404 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:05,405 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:22:05,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-08 17:22:05,615 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 (7)] Ended with exit code 0 [2024-11-08 17:22:05,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:22:05,806 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:05,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:05,807 INFO L85 PathProgramCache]: Analyzing trace with hash -39930418, now seen corresponding path program 1 times [2024-11-08 17:22:05,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:22:05,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1417410872] [2024-11-08 17:22:05,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:05,808 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 17:22:05,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:22:05,809 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:22:05,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 (9)] Waiting until timeout for monitored process [2024-11-08 17:22:06,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:06,209 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 17:22:06,211 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:22:08,772 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 40 proven. 108 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-08 17:22:08,772 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:22:09,239 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2024-11-08 17:22:09,239 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:22:09,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1417410872] [2024-11-08 17:22:09,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1417410872] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:22:09,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:22:09,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [11] total 14 [2024-11-08 17:22:09,240 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1394705183] [2024-11-08 17:22:09,240 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:22:09,241 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:22:09,241 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:22:09,241 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:22:09,242 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:22:09,242 INFO L87 Difference]: Start difference. First operand 451 states and 662 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:22:12,867 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:16,513 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.54s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 17:22:16,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:22:16,653 INFO L93 Difference]: Finished difference Result 977 states and 1431 transitions. [2024-11-08 17:22:16,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:22:16,654 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 141 [2024-11-08 17:22:16,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:22:16,659 INFO L225 Difference]: With dead ends: 977 [2024-11-08 17:22:16,660 INFO L226 Difference]: Without dead ends: 623 [2024-11-08 17:22:16,661 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 281 GetRequests, 268 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:22:16,662 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 31 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:22:16,663 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 246 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 7.3s Time] [2024-11-08 17:22:16,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 623 states. [2024-11-08 17:22:16,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 623 to 469. [2024-11-08 17:22:16,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 469 states, 338 states have (on average 1.3224852071005917) internal successors, (447), 344 states have internal predecessors, (447), 118 states have call successors, (118), 12 states have call predecessors, (118), 12 states have return successors, (118), 112 states have call predecessors, (118), 118 states have call successors, (118) [2024-11-08 17:22:16,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 469 states and 683 transitions. [2024-11-08 17:22:16,730 INFO L78 Accepts]: Start accepts. Automaton has 469 states and 683 transitions. Word has length 141 [2024-11-08 17:22:16,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:22:16,733 INFO L471 AbstractCegarLoop]: Abstraction has 469 states and 683 transitions. [2024-11-08 17:22:16,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2024-11-08 17:22:16,734 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 683 transitions. [2024-11-08 17:22:16,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-08 17:22:16,735 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:22:16,736 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:22:16,750 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 (9)] Ended with exit code 0 [2024-11-08 17:22:16,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:22:16,936 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:22:16,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:22:16,937 INFO L85 PathProgramCache]: Analyzing trace with hash 661134160, now seen corresponding path program 1 times [2024-11-08 17:22:16,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:22:16,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1744708816] [2024-11-08 17:22:16,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:22:16,937 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 17:22:16,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:22:16,939 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 17:22:16,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb951aa4-1e6e-4624-90b9-91e15f4cb00b/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 (10)] Waiting until timeout for monitored process [2024-11-08 17:22:17,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:22:17,325 INFO L255 TraceCheckSpWp]: Trace formula consists of 238 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-08 17:22:17,330 INFO L278 TraceCheckSpWp]: Computing forward predicates...