./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC --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 ce9e37d4d48afb2c3c62876920b5417cacd7ed8e5bee316251ee319470a1ef76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:53:35,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:53:35,563 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:53:35,569 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:53:35,573 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:53:35,596 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:53:35,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:53:35,597 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:53:35,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:53:35,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:53:35,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:53:35,598 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:53:35,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:53:35,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:53:35,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:53:35,599 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:53:35,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:53:35,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:53:35,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:53:35,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:53:35,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:53:35,599 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:53:35,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:53:35,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:53:35,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:53:35,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:53:35,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:53:35,600 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:53:35,600 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:35,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:53:35,601 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:35,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:53:35,602 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC 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 -> ce9e37d4d48afb2c3c62876920b5417cacd7ed8e5bee316251ee319470a1ef76 [2024-11-24 00:53:35,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:53:35,958 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:53:35,963 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:53:35,965 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:53:35,965 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:53:35,966 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i [2024-11-24 00:53:39,114 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/6f70d3c73/b6734c3967c14506afbde885488012cf/FLAG54ab1b0e0 [2024-11-24 00:53:39,411 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:53:39,412 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i [2024-11-24 00:53:39,419 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/6f70d3c73/b6734c3967c14506afbde885488012cf/FLAG54ab1b0e0 [2024-11-24 00:53:39,439 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/6f70d3c73/b6734c3967c14506afbde885488012cf [2024-11-24 00:53:39,442 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:53:39,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:53:39,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:53:39,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:53:39,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:53:39,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@315debf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39, skipping insertion in model container [2024-11-24 00:53:39,457 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,482 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:53:39,644 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_4cf7d440-b7df-4329-b841-ab395579848c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i[915,928] [2024-11-24 00:53:39,698 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:53:39,711 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:53:39,722 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_4cf7d440-b7df-4329-b841-ab395579848c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i[915,928] [2024-11-24 00:53:39,754 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:53:39,779 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:53:39,779 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39 WrapperNode [2024-11-24 00:53:39,780 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:53:39,781 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:53:39,781 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:53:39,781 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:53:39,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,808 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,874 INFO L138 Inliner]: procedures = 29, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 518 [2024-11-24 00:53:39,879 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:53:39,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:53:39,880 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:53:39,880 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:53:39,896 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,905 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,955 INFO L175 MemorySlicer]: Split 127 memory accesses to 14 slices as follows [2, 7, 8, 8, 16, 8, 5, 6, 14, 12, 6, 11, 3, 21]. 17 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 3, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1]. [2024-11-24 00:53:39,955 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,955 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,988 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:39,993 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:40,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:40,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:40,016 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:40,029 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:53:40,030 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:53:40,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:53:40,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:53:40,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (1/1) ... [2024-11-24 00:53:40,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:40,062 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:40,078 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:53:40,082 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:53:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:53:40,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:53:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:53:40,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:53:40,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#5 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#6 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#7 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#8 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#9 [2024-11-24 00:53:40,113 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#10 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#11 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#12 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#13 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-11-24 00:53:40,114 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-11-24 00:53:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-11-24 00:53:40,115 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#5 [2024-11-24 00:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#6 [2024-11-24 00:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#7 [2024-11-24 00:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#8 [2024-11-24 00:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#9 [2024-11-24 00:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#10 [2024-11-24 00:53:40,116 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#11 [2024-11-24 00:53:40,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#12 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#13 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#5 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#6 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#7 [2024-11-24 00:53:40,120 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#8 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#9 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#10 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#11 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#12 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#13 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#5 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#6 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#7 [2024-11-24 00:53:40,121 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#8 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#9 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#10 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#11 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#12 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#13 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#5 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#6 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#7 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#8 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#9 [2024-11-24 00:53:40,122 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#10 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#11 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#12 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#13 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:53:40,123 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#5 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#6 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#7 [2024-11-24 00:53:40,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#8 [2024-11-24 00:53:40,124 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#9 [2024-11-24 00:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#10 [2024-11-24 00:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#11 [2024-11-24 00:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#12 [2024-11-24 00:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#13 [2024-11-24 00:53:40,128 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:53:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:53:40,461 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:53:40,463 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:53:41,125 INFO L? ?]: Removed 127 outVars from TransFormulas that were not future-live. [2024-11-24 00:53:41,126 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:53:41,143 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:53:41,144 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:53:41,145 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:41 BoogieIcfgContainer [2024-11-24 00:53:41,145 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:53:41,147 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:53:41,147 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:53:41,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:53:41,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:53:39" (1/3) ... [2024-11-24 00:53:41,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a657501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:53:41, skipping insertion in model container [2024-11-24 00:53:41,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:39" (2/3) ... [2024-11-24 00:53:41,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a657501 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:53:41, skipping insertion in model container [2024-11-24 00:53:41,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:41" (3/3) ... [2024-11-24 00:53:41,155 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-1.i [2024-11-24 00:53:41,173 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:53:41,174 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-1.i that has 2 procedures, 109 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:53:41,250 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:53:41,262 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;@35b06ef2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:53:41,262 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:53:41,267 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:53:41,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:41,280 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:41,280 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:41,281 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:41,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:41,287 INFO L85 PathProgramCache]: Analyzing trace with hash -691830831, now seen corresponding path program 1 times [2024-11-24 00:53:41,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:41,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716927563] [2024-11-24 00:53:41,296 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:41,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:41,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:41,729 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 00:53:41,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:41,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716927563] [2024-11-24 00:53:41,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716927563] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:53:41,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915607111] [2024-11-24 00:53:41,731 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:41,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:53:41,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:41,733 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:53:41,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 00:53:42,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:42,077 INFO L256 TraceCheckSpWp]: Trace formula consists of 567 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:53:42,084 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 338 trivial. 0 not checked. [2024-11-24 00:53:42,105 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:53:42,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915607111] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:42,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:53:42,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 00:53:42,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1289024945] [2024-11-24 00:53:42,108 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:42,111 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:53:42,112 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:42,130 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:53:42,131 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:53:42,133 INFO L87 Difference]: Start difference. First operand has 109 states, 92 states have (on average 1.423913043478261) internal successors, (131), 93 states have internal predecessors, (131), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:53:42,160 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:42,160 INFO L93 Difference]: Finished difference Result 211 states and 326 transitions. [2024-11-24 00:53:42,162 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:53:42,163 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) Word has length 125 [2024-11-24 00:53:42,163 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:42,169 INFO L225 Difference]: With dead ends: 211 [2024-11-24 00:53:42,169 INFO L226 Difference]: Without dead ends: 105 [2024-11-24 00:53:42,172 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:53:42,174 INFO L435 NwaCegarLoop]: 152 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, 152 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 [2024-11-24 00:53:42,175 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 152 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:53:42,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2024-11-24 00:53:42,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2024-11-24 00:53:42,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 89 states have (on average 1.3932584269662922) internal successors, (124), 89 states have internal predecessors, (124), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:53:42,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 152 transitions. [2024-11-24 00:53:42,211 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 152 transitions. Word has length 125 [2024-11-24 00:53:42,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:42,212 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 152 transitions. [2024-11-24 00:53:42,212 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:53:42,212 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 152 transitions. [2024-11-24 00:53:42,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:42,215 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:42,215 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:42,222 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 00:53:42,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 00:53:42,416 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:42,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:42,416 INFO L85 PathProgramCache]: Analyzing trace with hash -1234552663, now seen corresponding path program 1 times [2024-11-24 00:53:42,416 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:42,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650739524] [2024-11-24 00:53:42,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:42,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:42,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:42,917 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:53:42,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:42,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1650739524] [2024-11-24 00:53:42,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1650739524] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:42,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:42,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:53:42,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074073896] [2024-11-24 00:53:42,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:42,920 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:53:42,920 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:42,921 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:53:42,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:53:42,923 INFO L87 Difference]: Start difference. First operand 105 states and 152 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:42,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:42,985 INFO L93 Difference]: Finished difference Result 210 states and 305 transitions. [2024-11-24 00:53:42,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:53:42,986 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-24 00:53:42,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:42,988 INFO L225 Difference]: With dead ends: 210 [2024-11-24 00:53:42,989 INFO L226 Difference]: Without dead ends: 108 [2024-11-24 00:53:42,990 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:53:42,992 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 436 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:53:42,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 436 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:53:42,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2024-11-24 00:53:43,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 107. [2024-11-24 00:53:43,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 91 states have (on average 1.3846153846153846) internal successors, (126), 91 states have internal predecessors, (126), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:53:43,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 154 transitions. [2024-11-24 00:53:43,013 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 154 transitions. Word has length 125 [2024-11-24 00:53:43,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:43,014 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 154 transitions. [2024-11-24 00:53:43,014 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:43,014 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 154 transitions. [2024-11-24 00:53:43,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:43,018 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:43,018 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:43,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:53:43,019 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:43,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:43,020 INFO L85 PathProgramCache]: Analyzing trace with hash 540454699, now seen corresponding path program 1 times [2024-11-24 00:53:43,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:43,021 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484985602] [2024-11-24 00:53:43,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:43,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:43,308 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:53:43,310 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:43,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484985602] [2024-11-24 00:53:43,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484985602] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:43,310 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:43,310 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:53:43,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157266498] [2024-11-24 00:53:43,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:43,311 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:53:43,311 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:43,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:53:43,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:53:43,312 INFO L87 Difference]: Start difference. First operand 107 states and 154 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:43,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:43,371 INFO L93 Difference]: Finished difference Result 214 states and 309 transitions. [2024-11-24 00:53:43,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:53:43,372 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-24 00:53:43,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:43,376 INFO L225 Difference]: With dead ends: 214 [2024-11-24 00:53:43,376 INFO L226 Difference]: Without dead ends: 110 [2024-11-24 00:53:43,376 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:53:43,377 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 1 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:53:43,377 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 439 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:53:43,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2024-11-24 00:53:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 109. [2024-11-24 00:53:43,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 93 states have (on average 1.3763440860215055) internal successors, (128), 93 states have internal predecessors, (128), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:53:43,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 156 transitions. [2024-11-24 00:53:43,397 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 156 transitions. Word has length 125 [2024-11-24 00:53:43,397 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:43,397 INFO L471 AbstractCegarLoop]: Abstraction has 109 states and 156 transitions. [2024-11-24 00:53:43,398 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:43,398 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 156 transitions. [2024-11-24 00:53:43,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:43,400 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:43,400 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:43,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:53:43,400 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:43,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:43,401 INFO L85 PathProgramCache]: Analyzing trace with hash 542301741, now seen corresponding path program 1 times [2024-11-24 00:53:43,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:43,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558535699] [2024-11-24 00:53:43,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:43,402 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:43,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:43,909 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:53:43,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:43,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558535699] [2024-11-24 00:53:43,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1558535699] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:43,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:43,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:53:43,912 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200628452] [2024-11-24 00:53:43,912 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:43,912 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:53:43,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:43,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:53:43,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:53:43,913 INFO L87 Difference]: Start difference. First operand 109 states and 156 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:44,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:44,078 INFO L93 Difference]: Finished difference Result 294 states and 421 transitions. [2024-11-24 00:53:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:53:44,079 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-24 00:53:44,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:44,081 INFO L225 Difference]: With dead ends: 294 [2024-11-24 00:53:44,081 INFO L226 Difference]: Without dead ends: 188 [2024-11-24 00:53:44,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:53:44,086 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 108 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:53:44,087 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 750 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:53:44,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-24 00:53:44,116 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2024-11-24 00:53:44,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 165 states have (on average 1.4) internal successors, (231), 166 states have internal predecessors, (231), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:53:44,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 265 transitions. [2024-11-24 00:53:44,123 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 265 transitions. Word has length 125 [2024-11-24 00:53:44,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:44,123 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 265 transitions. [2024-11-24 00:53:44,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 265 transitions. [2024-11-24 00:53:44,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:44,130 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:44,130 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:44,130 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:53:44,131 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:44,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:44,131 INFO L85 PathProgramCache]: Analyzing trace with hash 682850351, now seen corresponding path program 1 times [2024-11-24 00:53:44,131 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:44,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [893877681] [2024-11-24 00:53:44,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:44,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:44,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:44,650 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:53:44,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:44,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [893877681] [2024-11-24 00:53:44,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [893877681] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:44,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:44,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:53:44,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828372865] [2024-11-24 00:53:44,651 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:44,652 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:53:44,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:44,653 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:53:44,653 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:53:44,654 INFO L87 Difference]: Start difference. First operand 185 states and 265 transitions. Second operand has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:44,788 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:44,788 INFO L93 Difference]: Finished difference Result 446 states and 639 transitions. [2024-11-24 00:53:44,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:53:44,789 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 125 [2024-11-24 00:53:44,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:44,793 INFO L225 Difference]: With dead ends: 446 [2024-11-24 00:53:44,793 INFO L226 Difference]: Without dead ends: 264 [2024-11-24 00:53:44,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:53:44,795 INFO L435 NwaCegarLoop]: 188 mSDtfsCounter, 97 mSDsluCounter, 502 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 690 SdHoareTripleChecker+Invalid, 46 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:53:44,795 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 690 Invalid, 46 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:53:44,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 264 states. [2024-11-24 00:53:44,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 264 to 201. [2024-11-24 00:53:44,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 181 states have (on average 1.408839779005525) internal successors, (255), 182 states have internal predecessors, (255), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:53:44,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 289 transitions. [2024-11-24 00:53:44,832 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 289 transitions. Word has length 125 [2024-11-24 00:53:44,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:44,832 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 289 transitions. [2024-11-24 00:53:44,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.6) internal successors, (58), 5 states have internal predecessors, (58), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:53:44,833 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 289 transitions. [2024-11-24 00:53:44,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:44,835 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:44,835 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:44,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 00:53:44,836 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:44,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:44,836 INFO L85 PathProgramCache]: Analyzing trace with hash -328266899, now seen corresponding path program 1 times [2024-11-24 00:53:44,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:44,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [941961332] [2024-11-24 00:53:44,837 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:44,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:44,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:45,846 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-24 00:53:45,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:53:45,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [941961332] [2024-11-24 00:53:45,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [941961332] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:53:45,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1648001971] [2024-11-24 00:53:45,848 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:45,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 00:53:45,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:45,850 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 00:53:45,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 00:53:46,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:46,238 INFO L256 TraceCheckSpWp]: Trace formula consists of 559 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 00:53:46,246 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:46,669 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:53:46,824 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:53:46,830 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 214 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:53:46,830 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:53:47,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 28 [2024-11-24 00:53:47,308 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-24 00:53:47,309 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1648001971] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:53:47,309 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-24 00:53:47,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-24 00:53:47,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614634871] [2024-11-24 00:53:47,309 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-24 00:53:47,310 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-24 00:53:47,310 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:53:47,311 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-24 00:53:47,311 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:53:47,311 INFO L87 Difference]: Start difference. First operand 201 states and 289 transitions. Second operand has 12 states, 9 states have (on average 8.0) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-24 00:53:47,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:47,793 INFO L93 Difference]: Finished difference Result 405 states and 580 transitions. [2024-11-24 00:53:47,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:53:47,793 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 8.0) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) Word has length 125 [2024-11-24 00:53:47,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:47,795 INFO L225 Difference]: With dead ends: 405 [2024-11-24 00:53:47,795 INFO L226 Difference]: Without dead ends: 207 [2024-11-24 00:53:47,796 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 246 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=109, Invalid=311, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:53:47,797 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 413 mSDsluCounter, 558 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 413 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 289 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 00:53:47,797 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [413 Valid, 683 Invalid, 289 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 00:53:47,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2024-11-24 00:53:47,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 205. [2024-11-24 00:53:47,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 184 states have (on average 1.3858695652173914) internal successors, (255), 185 states have internal predecessors, (255), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:53:47,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 289 transitions. [2024-11-24 00:53:47,814 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 289 transitions. Word has length 125 [2024-11-24 00:53:47,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:47,815 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 289 transitions. [2024-11-24 00:53:47,815 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 8.0) internal successors, (72), 12 states have internal predecessors, (72), 5 states have call successors, (29), 3 states have call predecessors, (29), 5 states have return successors, (29), 2 states have call predecessors, (29), 5 states have call successors, (29) [2024-11-24 00:53:47,815 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 289 transitions. [2024-11-24 00:53:47,817 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:53:47,817 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:47,817 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:47,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-24 00:53:48,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-11-24 00:53:48,018 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:48,018 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:48,019 INFO L85 PathProgramCache]: Analyzing trace with hash -2017210641, now seen corresponding path program 1 times [2024-11-24 00:53:48,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:53:48,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1065411207] [2024-11-24 00:53:48,019 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:48,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:53:48,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:53:48,142 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:53:48,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:53:48,428 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:53:48,429 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:53:48,430 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:53:48,431 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 00:53:48,436 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:48,717 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:53:48,721 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:53:48 BoogieIcfgContainer [2024-11-24 00:53:48,721 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:53:48,721 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:53:48,721 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:53:48,722 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:53:48,722 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:41" (3/4) ... [2024-11-24 00:53:48,725 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 00:53:48,726 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:53:48,727 INFO L158 Benchmark]: Toolchain (without parser) took 9283.30ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 117.0MB in the beginning and 106.6MB in the end (delta: 10.5MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-24 00:53:48,727 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:53:48,727 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.27ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:53:48,727 INFO L158 Benchmark]: Boogie Procedure Inliner took 98.25ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 99.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:53:48,728 INFO L158 Benchmark]: Boogie Preprocessor took 149.89ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 95.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:53:48,728 INFO L158 Benchmark]: RCFGBuilder took 1114.66ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 57.1MB in the end (delta: 38.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 00:53:48,728 INFO L158 Benchmark]: TraceAbstraction took 7574.31ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 106.6MB in the end (delta: -50.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. [2024-11-24 00:53:48,730 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 106.6MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:53:48,732 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 74.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.27ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 102.8MB in the end (delta: 14.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 98.25ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 99.8MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 149.89ms. Allocated memory is still 142.6MB. Free memory was 99.8MB in the beginning and 95.3MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 1114.66ms. Allocated memory is still 142.6MB. Free memory was 95.1MB in the beginning and 57.1MB in the end (delta: 38.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 7574.31ms. Allocated memory was 142.6MB in the beginning and 176.2MB in the end (delta: 33.6MB). Free memory was 56.5MB in the beginning and 106.6MB in the end (delta: -50.1MB). Peak memory consumption was 46.4MB. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 176.2MB. Free memory was 106.6MB in the beginning and 106.6MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 110, overapproximation of someBinaryFLOATComparisonOperation at line 84, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 88, overapproximation of someBinaryFLOATComparisonOperation at line 52, overapproximation of someBinaryFLOATComparisonOperation at line 86, overapproximation of someBinaryFLOATComparisonOperation at line 84. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = 5.5; [L22] float var_1_1 = 5.5; [L23] float* var_1_1_Pointer = &(var_1_1); [L24] float var_1_2 = 10.375; [L24] float var_1_2 = 10.375; [L25] float* var_1_2_Pointer = &(var_1_2); [L26] float var_1_3 = 127.5; [L26] float var_1_3 = 127.5; [L27] float* var_1_3_Pointer = &(var_1_3); [L28] float var_1_4 = 256.2; [L28] float var_1_4 = 256.2; [L29] float* var_1_4_Pointer = &(var_1_4); [L30] unsigned char var_1_5 = 1; [L30] unsigned char var_1_5 = 1; [L31] unsigned char* var_1_5_Pointer = &(var_1_5); [L32] signed long int var_1_6 = 5; [L32] signed long int var_1_6 = 5; [L33] signed long int* var_1_6_Pointer = &(var_1_6); [L34] unsigned char var_1_7 = 1; [L34] unsigned char var_1_7 = 1; [L35] unsigned char* var_1_7_Pointer = &(var_1_7); [L36] signed long int var_1_10 = 32; [L36] signed long int var_1_10 = 32; [L37] signed long int* var_1_10_Pointer = &(var_1_10); [L38] signed long int var_1_11 = 2; [L38] signed long int var_1_11 = 2; [L39] signed long int* var_1_11_Pointer = &(var_1_11); [L40] unsigned long int var_1_12 = 16; [L40] unsigned long int var_1_12 = 16; [L41] unsigned long int* var_1_12_Pointer = &(var_1_12); [L42] unsigned char var_1_13 = 50; [L42] unsigned char var_1_13 = 50; [L43] unsigned char* var_1_13_Pointer = &(var_1_13); [L44] signed long int var_1_15 = 100000000; [L44] signed long int var_1_15 = 100000000; [L45] signed long int* var_1_15_Pointer = &(var_1_15); [L46] signed short int var_1_16 = 2; [L46] signed short int var_1_16 = 2; [L47] signed short int* var_1_16_Pointer = &(var_1_16); [L48] unsigned long int last_1_var_1_12 = 16; VAL [isInitial=0, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L114] isInitial = 1 [L115] FCALL initially() [L117] CALL updateLastVariables() [L107] EXPR \read(var_1_12) [L107] last_1_var_1_12 = var_1_12 [L117] RET updateLastVariables() [L118] CALL updateVariables() [L83] var_1_2 = __VERIFIER_nondet_float() [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L84] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F [L84] EXPR \read(var_1_2) [L84] EXPR var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L84] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L84] EXPR (var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L84] CALL assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L84] RET assume_abort_if_not((var_1_2 >= -922337.2036854776000e+13F && var_1_2 <= -1.0e-20F) || (var_1_2 <= 9223372.036854776000e+12F && var_1_2 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L85] var_1_3 = __VERIFIER_nondet_float() [L86] EXPR \read(var_1_3) [L86] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L86] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F [L86] EXPR \read(var_1_3) [L86] EXPR var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L86] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L86] EXPR (var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L86] CALL assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L86] RET assume_abort_if_not((var_1_3 >= -922337.2036854776000e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854776000e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L87] var_1_4 = __VERIFIER_nondet_float() [L88] EXPR \read(var_1_4) [L88] EXPR var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L88] EXPR var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F [L88] EXPR \read(var_1_4) [L88] EXPR var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L88] EXPR (var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L88] EXPR (var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L88] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L88] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L89] var_1_5 = __VERIFIER_nondet_uchar() [L90] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L90] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L90] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L91] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L91] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L91] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L92] var_1_7 = __VERIFIER_nondet_uchar() [L93] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L93] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L93] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L94] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L94] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L94] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L95] var_1_10 = __VERIFIER_nondet_long() [L96] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L96] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L96] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L97] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L97] CALL assume_abort_if_not(var_1_10 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L97] RET assume_abort_if_not(var_1_10 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L98] var_1_11 = __VERIFIER_nondet_long() [L99] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L99] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L99] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L100] EXPR \read(var_1_11) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L100] CALL assume_abort_if_not(var_1_11 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L100] RET assume_abort_if_not(var_1_11 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L101] var_1_13 = __VERIFIER_nondet_uchar() [L102] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L102] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L102] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L103] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L103] CALL assume_abort_if_not(var_1_13 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L103] RET assume_abort_if_not(var_1_13 <= 255) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L104] EXPR \read(var_1_13) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L104] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L104] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L118] RET updateVariables() [L119] CALL step() [L52] EXPR \read(*var_1_2_Pointer) [L52] EXPR \read(*var_1_3_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L52] COND FALSE !((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) [L55] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L55] COND FALSE !((*(var_1_5_Pointer))) [L58] EXPR \read(*var_1_4_Pointer) [L58] (*(var_1_1_Pointer)) = (*(var_1_4_Pointer)) [L61] EXPR \read(*var_1_13_Pointer) [L61] (*(var_1_16_Pointer)) = (*(var_1_13_Pointer)) [L62] EXPR \read(*var_1_7_Pointer) [L62] unsigned char stepLocal_0 = (*(var_1_7_Pointer)); [L63] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L63] COND FALSE !((*(var_1_5_Pointer)) || stepLocal_0) [L66] EXPR \read(*var_1_10_Pointer) [L66] EXPR \read(*var_1_11_Pointer) [L66] (*(var_1_6_Pointer)) = (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4) [L68] EXPR \read(*var_1_11_Pointer) [L68] signed long int stepLocal_3 = (*(var_1_11_Pointer)); [L69] EXPR \read(*var_1_16_Pointer) [L69] EXPR \read(*var_1_11_Pointer) [L69] signed long int stepLocal_2 = (*(var_1_16_Pointer)) + (*(var_1_11_Pointer)); [L70] EXPR \read(*var_1_11_Pointer) [L70] EXPR \read(*var_1_16_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L70] EXPR (*(var_1_11_Pointer)) << (*(var_1_16_Pointer)) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_2=1, stepLocal_3=0, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L70] signed long int stepLocal_1 = (*(var_1_11_Pointer)) << (*(var_1_16_Pointer)); [L71] EXPR \read(*var_1_10_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L71] EXPR (((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))) [L71] EXPR \read(*var_1_10_Pointer) [L71] EXPR (((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer))) VAL [isInitial=1, last_1_var_1_12=16, stepLocal_1=0, stepLocal_2=1, stepLocal_3=0, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L71] COND FALSE !(stepLocal_1 != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) [L80] EXPR \read(*var_1_16_Pointer) [L80] (*(var_1_15_Pointer)) = (*(var_1_16_Pointer)) [L119] RET step() [L120] CALL, EXPR property() [L110] EXPR \read(*var_1_2_Pointer) [L110] EXPR \read(*var_1_3_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR ((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer))))) [L110] EXPR \read(*var_1_5_Pointer) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR (*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) [L110] EXPR \read(*var_1_1_Pointer) [L110] EXPR \read(*var_1_4_Pointer) [L110] EXPR (*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR ((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer))))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR (((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR (((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR ((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR ((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR (((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR (((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR ((((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed short int) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110] EXPR ((((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed short int) (*(var_1_13_Pointer)))) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L110-L111] return ((((((*(var_1_2_Pointer)) <= (- (*(var_1_3_Pointer)))) ? ((*(var_1_1_Pointer)) == ((float) (((((*(var_1_4_Pointer))) < 0 ) ? -((*(var_1_4_Pointer))) : ((*(var_1_4_Pointer))))))) : ((*(var_1_5_Pointer)) ? ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))) : ((*(var_1_1_Pointer)) == ((float) (*(var_1_4_Pointer)))))) && (((*(var_1_5_Pointer)) || (*(var_1_7_Pointer))) ? ((*(var_1_6_Pointer)) == ((signed long int) (((((*(var_1_16_Pointer))) > ((*(var_1_16_Pointer)))) ? ((*(var_1_16_Pointer))) : ((*(var_1_16_Pointer))))))) : ((*(var_1_6_Pointer)) == ((signed long int) (((*(var_1_10_Pointer)) + (*(var_1_11_Pointer))) - 4))))) && ((((*(var_1_11_Pointer)) << (*(var_1_16_Pointer))) != (((((*(var_1_10_Pointer))) < 0 ) ? -((*(var_1_10_Pointer))) : ((*(var_1_10_Pointer)))))) ? ((((*(var_1_16_Pointer)) % (*(var_1_13_Pointer))) >= (*(var_1_11_Pointer))) ? ((((*(var_1_16_Pointer)) + (*(var_1_11_Pointer))) > (last_1_var_1_12 * (*(var_1_16_Pointer)))) ? ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_13_Pointer)))) : ((*(var_1_12_Pointer)) == ((unsigned long int) (*(var_1_10_Pointer))))) : 1) : 1)) && ((*(var_1_15_Pointer)) == ((signed long int) (*(var_1_16_Pointer))))) && ((*(var_1_16_Pointer)) == ((signed short int) (*(var_1_13_Pointer)))) ; [L120] RET, EXPR property() [L120] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=16, var_1_10={11:0}, var_1_10_Pointer={11:0}, var_1_11={12:0}, var_1_11_Pointer={12:0}, var_1_12={13:0}, var_1_12_Pointer={13:0}, var_1_13={14:0}, var_1_13_Pointer={14:0}, var_1_15={15:0}, var_1_15_Pointer={15:0}, var_1_16={16:0}, var_1_16_Pointer={16:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_2={5:0}, var_1_2_Pointer={5:0}, var_1_3={6:0}, var_1_3_Pointer={6:0}, var_1_4={7:0}, var_1_4_Pointer={7:0}, var_1_5={8:0}, var_1_5_Pointer={8:0}, var_1_6={9:0}, var_1_6_Pointer={9:0}, var_1_7={10:0}, var_1_7_Pointer={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 7, TraceHistogramMax: 14, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 620 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 620 mSDsluCounter, 3150 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2178 mSDsCounter, 67 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 349 IncrementalHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 67 mSolverCounterUnsat, 972 mSDtfsCounter, 349 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 412 GetRequests, 380 SyntacticMatches, 1 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=6, InterpolantAutomatonStates: 32, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 70 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 1125 NumberOfCodeBlocks, 1125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1116 ConstructedInterpolants, 0 QuantifiedInterpolants, 2500 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1126 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 3000/3276 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, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 00:53:48,757 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC --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 ce9e37d4d48afb2c3c62876920b5417cacd7ed8e5bee316251ee319470a1ef76 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:53:51,640 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:53:51,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 00:53:51,769 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:53:51,769 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:53:51,812 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:53:51,814 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:53:51,814 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:53:51,815 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:53:51,815 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:53:51,816 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:53:51,816 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:53:51,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:53:51,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:53:51,818 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:53:51,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:53:51,819 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:53:51,819 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:53:51,819 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:53:51,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:53:51,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:53:51,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:53:51,821 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:53:51,821 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:53:51,822 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:53:51,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:53:51,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:53:51,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:53:51,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:51,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:53:51,822 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:53:51,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:51,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:53:51,823 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC 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 -> ce9e37d4d48afb2c3c62876920b5417cacd7ed8e5bee316251ee319470a1ef76 [2024-11-24 00:53:52,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:53:52,175 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:53:52,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:53:52,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:53:52,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:53:52,181 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i [2024-11-24 00:53:55,340 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/910e0cefb/148314c33ad54fb2aad2a2ea73ebeeca/FLAGfe56dc605 [2024-11-24 00:53:55,684 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:53:55,686 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i [2024-11-24 00:53:55,704 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/910e0cefb/148314c33ad54fb2aad2a2ea73ebeeca/FLAGfe56dc605 [2024-11-24 00:53:55,729 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/data/910e0cefb/148314c33ad54fb2aad2a2ea73ebeeca [2024-11-24 00:53:55,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:53:55,735 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:53:55,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:53:55,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:53:55,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:53:55,746 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:53:55" (1/1) ... [2024-11-24 00:53:55,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cea3a9a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:55, skipping insertion in model container [2024-11-24 00:53:55,747 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:53:55" (1/1) ... [2024-11-24 00:53:55,771 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:53:55,962 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_4cf7d440-b7df-4329-b841-ab395579848c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i[915,928] [2024-11-24 00:53:56,061 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:53:56,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:53:56,104 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_4cf7d440-b7df-4329-b841-ab395579848c/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-1.i[915,928] [2024-11-24 00:53:56,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:53:56,194 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:53:56,195 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56 WrapperNode [2024-11-24 00:53:56,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:53:56,197 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:53:56,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:53:56,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:53:56,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,229 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,277 INFO L138 Inliner]: procedures = 36, calls = 165, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 503 [2024-11-24 00:53:56,278 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:53:56,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:53:56,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:53:56,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:53:56,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,347 INFO L175 MemorySlicer]: Split 127 memory accesses to 14 slices as follows [2, 7, 8, 8, 16, 8, 5, 6, 14, 12, 6, 11, 3, 21]. 17 percent of accesses are in the largest equivalence class. The 15 initializations are split as follows [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]. The 17 writes are split as follows [0, 3, 1, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 1]. [2024-11-24 00:53:56,348 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,348 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,373 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,374 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,380 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,387 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,391 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,399 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:53:56,400 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:53:56,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:53:56,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:53:56,402 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (1/1) ... [2024-11-24 00:53:56,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:53:56,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:53:56,444 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:53:56,447 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:53:56,476 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:53:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-11-24 00:53:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-11-24 00:53:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-11-24 00:53:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-11-24 00:53:56,477 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#5 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#6 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#7 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#8 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#9 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#10 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#11 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#12 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#13 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-11-24 00:53:56,478 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-11-24 00:53:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-11-24 00:53:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-11-24 00:53:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-11-24 00:53:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#5 [2024-11-24 00:53:56,479 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#6 [2024-11-24 00:53:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#7 [2024-11-24 00:53:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#8 [2024-11-24 00:53:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#9 [2024-11-24 00:53:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#10 [2024-11-24 00:53:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#11 [2024-11-24 00:53:56,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#12 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#13 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-11-24 00:53:56,481 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#5 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#6 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#7 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#8 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#9 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#10 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#11 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#12 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#13 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-11-24 00:53:56,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#5 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#6 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#7 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#8 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#9 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#10 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#11 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#12 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#13 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#2 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#3 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#4 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#5 [2024-11-24 00:53:56,483 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#6 [2024-11-24 00:53:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#7 [2024-11-24 00:53:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#8 [2024-11-24 00:53:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#9 [2024-11-24 00:53:56,484 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#10 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#11 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#12 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#13 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-11-24 00:53:56,485 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#5 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#6 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#7 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#8 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#9 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#10 [2024-11-24 00:53:56,486 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#11 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#12 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#13 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-11-24 00:53:56,487 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#5 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#6 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#7 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#8 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#9 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#10 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#11 [2024-11-24 00:53:56,488 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#12 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#13 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#2 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#3 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#4 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#5 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#6 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#7 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#8 [2024-11-24 00:53:56,489 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#9 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#10 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#11 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#12 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#13 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#2 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#3 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#4 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#5 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#6 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#7 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#8 [2024-11-24 00:53:56,490 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#9 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#10 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#11 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#12 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#13 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 00:53:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:53:56,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-11-24 00:53:56,491 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-11-24 00:53:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-11-24 00:53:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#5 [2024-11-24 00:53:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#6 [2024-11-24 00:53:56,492 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#7 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#8 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#9 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#10 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#11 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#12 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#13 [2024-11-24 00:53:56,493 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#5 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#6 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#7 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#8 [2024-11-24 00:53:56,494 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#9 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#10 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#11 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#12 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#13 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-11-24 00:53:56,495 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#5 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#6 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#7 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#8 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#9 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#10 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#11 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#12 [2024-11-24 00:53:56,496 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#13 [2024-11-24 00:53:56,881 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:53:56,884 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:53:57,805 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-24 00:53:57,806 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:53:57,820 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:53:57,822 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 00:53:57,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:57 BoogieIcfgContainer [2024-11-24 00:53:57,822 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:53:57,825 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:53:57,825 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:53:57,834 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:53:57,834 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:53:55" (1/3) ... [2024-11-24 00:53:57,835 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7e1109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:53:57, skipping insertion in model container [2024-11-24 00:53:57,835 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:53:56" (2/3) ... [2024-11-24 00:53:57,837 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7e1109 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:53:57, skipping insertion in model container [2024-11-24 00:53:57,837 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:53:57" (3/3) ... [2024-11-24 00:53:57,838 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-1.i [2024-11-24 00:53:57,857 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:53:57,860 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-p_file-1.i that has 2 procedures, 103 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 00:53:57,947 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:53:57,960 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;@59a018c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:53:57,960 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:53:57,965 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 86 states have (on average 1.430232558139535) internal successors, (123), 87 states have internal predecessors, (123), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:53:57,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:53:57,977 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:57,977 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:57,978 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:57,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:57,987 INFO L85 PathProgramCache]: Analyzing trace with hash 504420253, now seen corresponding path program 1 times [2024-11-24 00:53:58,002 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:53:58,003 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [424302449] [2024-11-24 00:53:58,004 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:58,004 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 [2024-11-24 00:53:58,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:53:58,009 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:53:58,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:53:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:58,571 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 00:53:58,590 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:53:58,656 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2024-11-24 00:53:58,656 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:53:58,656 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:53:58,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [424302449] [2024-11-24 00:53:58,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [424302449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:53:58,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:53:58,658 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:53:58,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [155488429] [2024-11-24 00:53:58,660 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:53:58,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:53:58,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:53:58,690 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:53:58,691 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:53:58,694 INFO L87 Difference]: Start difference. First operand has 103 states, 86 states have (on average 1.430232558139535) internal successors, (123), 87 states have internal predecessors, (123), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:53:58,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:53:58,742 INFO L93 Difference]: Finished difference Result 199 states and 310 transitions. [2024-11-24 00:53:58,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:53:58,746 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-11-24 00:53:58,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:53:58,756 INFO L225 Difference]: With dead ends: 199 [2024-11-24 00:53:58,756 INFO L226 Difference]: Without dead ends: 99 [2024-11-24 00:53:58,762 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:53:58,767 INFO L435 NwaCegarLoop]: 144 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, 144 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 [2024-11-24 00:53:58,768 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:53:58,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2024-11-24 00:53:58,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 99. [2024-11-24 00:53:58,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 83 states have (on average 1.3975903614457832) internal successors, (116), 83 states have internal predecessors, (116), 14 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-24 00:53:58,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 144 transitions. [2024-11-24 00:53:58,830 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 144 transitions. Word has length 123 [2024-11-24 00:53:58,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:53:58,832 INFO L471 AbstractCegarLoop]: Abstraction has 99 states and 144 transitions. [2024-11-24 00:53:58,833 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 30.0) internal successors, (60), 2 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:53:58,833 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 144 transitions. [2024-11-24 00:53:58,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:53:58,838 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:53:58,838 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:53:58,848 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:53:59,039 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:53:59,040 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:53:59,040 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:53:59,041 INFO L85 PathProgramCache]: Analyzing trace with hash 222291573, now seen corresponding path program 1 times [2024-11-24 00:53:59,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:53:59,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886632212] [2024-11-24 00:53:59,042 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:53:59,042 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 [2024-11-24 00:53:59,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:53:59,045 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:53:59,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:53:59,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:53:59,604 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:53:59,620 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:00,614 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2024-11-24 00:54:00,675 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-24 00:54:00,675 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:00,865 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:54:00,866 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:00,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [886632212] [2024-11-24 00:54:00,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [886632212] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:00,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:54:00,866 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 13 [2024-11-24 00:54:00,866 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [36445326] [2024-11-24 00:54:00,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:54:00,868 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:54:00,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:00,869 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:54:00,869 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2024-11-24 00:54:00,869 INFO L87 Difference]: Start difference. First operand 99 states and 144 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:01,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:01,024 INFO L93 Difference]: Finished difference Result 264 states and 385 transitions. [2024-11-24 00:54:01,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:54:01,025 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-24 00:54:01,026 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:01,027 INFO L225 Difference]: With dead ends: 264 [2024-11-24 00:54:01,027 INFO L226 Difference]: Without dead ends: 168 [2024-11-24 00:54:01,028 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 233 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2024-11-24 00:54:01,029 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 100 mSDsluCounter, 453 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 646 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:01,029 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 646 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:54:01,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2024-11-24 00:54:01,053 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 165. [2024-11-24 00:54:01,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 145 states have (on average 1.4275862068965517) internal successors, (207), 146 states have internal predecessors, (207), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:54:01,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 241 transitions. [2024-11-24 00:54:01,061 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 241 transitions. Word has length 123 [2024-11-24 00:54:01,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:01,062 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 241 transitions. [2024-11-24 00:54:01,063 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:01,064 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 241 transitions. [2024-11-24 00:54:01,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:54:01,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:01,067 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:01,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:01,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:01,272 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:01,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:01,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1583146761, now seen corresponding path program 1 times [2024-11-24 00:54:01,274 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:01,274 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [464698452] [2024-11-24 00:54:01,274 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:01,274 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 [2024-11-24 00:54:01,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:01,278 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:54:01,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:01,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:01,745 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 00:54:01,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:02,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 00:54:02,357 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 214 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 00:54:02,357 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:02,723 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 00:54:02,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-24 00:54:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-24 00:54:02,976 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:02,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [464698452] [2024-11-24 00:54:02,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [464698452] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 00:54:02,976 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:54:02,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-24 00:54:02,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1812045116] [2024-11-24 00:54:02,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:54:02,977 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 00:54:02,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:02,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 00:54:02,979 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:54:02,979 INFO L87 Difference]: Start difference. First operand 165 states and 241 transitions. Second operand has 11 states, 9 states have (on average 7.666666666666667) internal successors, (69), 11 states have internal predecessors, (69), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:54:03,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:03,637 INFO L93 Difference]: Finished difference Result 333 states and 484 transitions. [2024-11-24 00:54:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:54:03,641 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 7.666666666666667) internal successors, (69), 11 states have internal predecessors, (69), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-11-24 00:54:03,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:03,644 INFO L225 Difference]: With dead ends: 333 [2024-11-24 00:54:03,644 INFO L226 Difference]: Without dead ends: 171 [2024-11-24 00:54:03,646 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 235 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-24 00:54:03,647 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 289 mSDsluCounter, 420 mSDsCounter, 0 mSdLazyCounter, 181 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 289 SdHoareTripleChecker+Valid, 537 SdHoareTripleChecker+Invalid, 230 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 181 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:03,647 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [289 Valid, 537 Invalid, 230 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 181 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 00:54:03,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-24 00:54:03,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 169. [2024-11-24 00:54:03,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 148 states have (on average 1.4054054054054055) internal successors, (208), 149 states have internal predecessors, (208), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:54:03,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 242 transitions. [2024-11-24 00:54:03,665 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 242 transitions. Word has length 123 [2024-11-24 00:54:03,666 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:03,666 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 242 transitions. [2024-11-24 00:54:03,666 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 7.666666666666667) internal successors, (69), 11 states have internal predecessors, (69), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:54:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 242 transitions. [2024-11-24 00:54:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:54:03,668 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:03,669 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:03,678 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:03,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:03,873 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:03,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:03,874 INFO L85 PathProgramCache]: Analyzing trace with hash 1022876793, now seen corresponding path program 1 times [2024-11-24 00:54:03,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:03,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1994867249] [2024-11-24 00:54:03,875 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:03,875 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 [2024-11-24 00:54:03,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:03,879 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:54:03,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:04,302 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:54:04,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:04,340 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:54:04,340 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:54:04,340 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:04,340 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1994867249] [2024-11-24 00:54:04,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1994867249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:54:04,340 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:54:04,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:54:04,341 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853476050] [2024-11-24 00:54:04,341 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:54:04,342 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:54:04,342 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:04,343 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:54:04,343 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:54:04,343 INFO L87 Difference]: Start difference. First operand 169 states and 242 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:04,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:04,427 INFO L93 Difference]: Finished difference Result 345 states and 495 transitions. [2024-11-24 00:54:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:54:04,427 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-24 00:54:04,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:04,430 INFO L225 Difference]: With dead ends: 345 [2024-11-24 00:54:04,431 INFO L226 Difference]: Without dead ends: 179 [2024-11-24 00:54:04,432 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:54:04,435 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 1 mSDsluCounter, 398 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 536 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:04,436 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 536 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:54:04,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-24 00:54:04,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 177. [2024-11-24 00:54:04,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 177 states, 156 states have (on average 1.3846153846153846) internal successors, (216), 157 states have internal predecessors, (216), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:54:04,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 250 transitions. [2024-11-24 00:54:04,464 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 250 transitions. Word has length 123 [2024-11-24 00:54:04,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:04,465 INFO L471 AbstractCegarLoop]: Abstraction has 177 states and 250 transitions. [2024-11-24 00:54:04,465 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 250 transitions. [2024-11-24 00:54:04,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:54:04,471 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:04,471 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:04,481 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:04,671 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:04,672 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:04,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:04,672 INFO L85 PathProgramCache]: Analyzing trace with hash -1497083141, now seen corresponding path program 1 times [2024-11-24 00:54:04,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:04,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646570249] [2024-11-24 00:54:04,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:04,673 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 [2024-11-24 00:54:04,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:04,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:54:04,678 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-24 00:54:05,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:05,134 INFO L256 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 00:54:05,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:05,178 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:54:05,179 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:54:05,179 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:05,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646570249] [2024-11-24 00:54:05,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646570249] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:54:05,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:54:05,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 00:54:05,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709727836] [2024-11-24 00:54:05,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:54:05,180 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 00:54:05,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:05,181 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 00:54:05,181 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:54:05,181 INFO L87 Difference]: Start difference. First operand 177 states and 250 transitions. Second operand has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:05,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:05,267 INFO L93 Difference]: Finished difference Result 357 states and 505 transitions. [2024-11-24 00:54:05,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 00:54:05,268 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-24 00:54:05,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:05,270 INFO L225 Difference]: With dead ends: 357 [2024-11-24 00:54:05,270 INFO L226 Difference]: Without dead ends: 183 [2024-11-24 00:54:05,271 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:54:05,271 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 1 mSDsluCounter, 528 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 664 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:05,272 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 664 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:54:05,273 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2024-11-24 00:54:05,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 181. [2024-11-24 00:54:05,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 160 states have (on average 1.375) internal successors, (220), 161 states have internal predecessors, (220), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:54:05,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 254 transitions. [2024-11-24 00:54:05,289 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 254 transitions. Word has length 123 [2024-11-24 00:54:05,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:05,290 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 254 transitions. [2024-11-24 00:54:05,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.333333333333334) internal successors, (56), 6 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:05,290 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 254 transitions. [2024-11-24 00:54:05,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:54:05,292 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:05,292 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:05,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-24 00:54:05,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:05,493 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:05,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:05,494 INFO L85 PathProgramCache]: Analyzing trace with hash -1495236099, now seen corresponding path program 1 times [2024-11-24 00:54:05,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:05,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [961948736] [2024-11-24 00:54:05,495 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:05,495 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 [2024-11-24 00:54:05,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:05,498 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:54:05,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:05,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:05,911 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 00:54:05,917 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:09,412 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:54:09,412 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:09,805 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:54:09,805 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:09,805 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [961948736] [2024-11-24 00:54:09,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [961948736] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:09,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:54:09,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2024-11-24 00:54:09,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2104606128] [2024-11-24 00:54:09,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:54:09,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:54:09,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:09,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:54:09,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-11-24 00:54:09,807 INFO L87 Difference]: Start difference. First operand 181 states and 254 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:10,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:10,041 INFO L93 Difference]: Finished difference Result 405 states and 568 transitions. [2024-11-24 00:54:10,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:54:10,044 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-24 00:54:10,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:10,048 INFO L225 Difference]: With dead ends: 405 [2024-11-24 00:54:10,048 INFO L226 Difference]: Without dead ends: 227 [2024-11-24 00:54:10,049 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:54:10,050 INFO L435 NwaCegarLoop]: 138 mSDtfsCounter, 110 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:10,050 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 399 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:54:10,053 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-11-24 00:54:10,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 191. [2024-11-24 00:54:10,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 170 states have (on average 1.3705882352941177) internal successors, (233), 171 states have internal predecessors, (233), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:54:10,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 267 transitions. [2024-11-24 00:54:10,076 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 267 transitions. Word has length 123 [2024-11-24 00:54:10,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:10,076 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 267 transitions. [2024-11-24 00:54:10,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:10,078 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 267 transitions. [2024-11-24 00:54:10,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:54:10,081 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:10,081 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:10,090 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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)] Forceful destruction successful, exit code 0 [2024-11-24 00:54:10,282 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:10,282 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:10,282 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:10,282 INFO L85 PathProgramCache]: Analyzing trace with hash 587108198, now seen corresponding path program 1 times [2024-11-24 00:54:10,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:10,283 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [807631872] [2024-11-24 00:54:10,283 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:10,283 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 [2024-11-24 00:54:10,283 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:10,285 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:54:10,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Waiting until timeout for monitored process [2024-11-24 00:54:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:10,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:54:10,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:11,205 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-24 00:54:11,205 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:11,338 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:54:11,339 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:11,339 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [807631872] [2024-11-24 00:54:11,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [807631872] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:11,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:54:11,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:54:11,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852110310] [2024-11-24 00:54:11,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:54:11,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:54:11,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:54:11,340 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:54:11,340 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:54:11,341 INFO L87 Difference]: Start difference. First operand 191 states and 267 transitions. Second operand has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:11,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:54:11,478 INFO L93 Difference]: Finished difference Result 440 states and 615 transitions. [2024-11-24 00:54:11,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:54:11,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-24 00:54:11,481 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:54:11,482 INFO L225 Difference]: With dead ends: 440 [2024-11-24 00:54:11,483 INFO L226 Difference]: Without dead ends: 252 [2024-11-24 00:54:11,483 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 245 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:54:11,488 INFO L435 NwaCegarLoop]: 179 mSDtfsCounter, 166 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 486 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:54:11,489 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 486 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:54:11,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-11-24 00:54:11,500 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 192. [2024-11-24 00:54:11,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 171 states have (on average 1.368421052631579) internal successors, (234), 172 states have internal predecessors, (234), 17 states have call successors, (17), 3 states have call predecessors, (17), 3 states have return successors, (17), 16 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-24 00:54:11,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 268 transitions. [2024-11-24 00:54:11,502 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 268 transitions. Word has length 123 [2024-11-24 00:54:11,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:54:11,503 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 268 transitions. [2024-11-24 00:54:11,503 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.2) internal successors, (56), 5 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:54:11,503 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 268 transitions. [2024-11-24 00:54:11,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:54:11,505 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:54:11,505 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:54:11,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (8)] Ended with exit code 0 [2024-11-24 00:54:11,705 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:11,706 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:54:11,706 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:54:11,706 INFO L85 PathProgramCache]: Analyzing trace with hash -424009052, now seen corresponding path program 1 times [2024-11-24 00:54:11,707 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:54:11,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1056843270] [2024-11-24 00:54:11,707 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:11,707 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 [2024-11-24 00:54:11,707 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:54:11,708 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:54:11,710 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:54:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:12,061 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-24 00:54:12,066 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:14,882 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:54:14,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:54:15,018 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:54:15,018 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:54:15,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-24 00:54:15,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 91 treesize of output 66 [2024-11-24 00:54:56,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:54:56,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1056843270] [2024-11-24 00:54:56,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1056843270] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:54:56,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2024841536] [2024-11-24 00:54:56,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:54:56,582 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:54:56,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:54:56,584 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:54:56,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-24 00:54:57,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:54:57,606 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-24 00:54:57,614 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:54:58,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:55:01,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:55:14,523 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:55:14,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:55:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:55:14,818 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:55:15,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 86 treesize of output 74 [2024-11-24 00:56:05,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2024841536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:56:05,446 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:56:05,446 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2024-11-24 00:56:05,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [659338123] [2024-11-24 00:56:05,446 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:56:05,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-24 00:56:05,447 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:05,448 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-24 00:56:05,448 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=608, Unknown=1, NotChecked=0, Total=702 [2024-11-24 00:56:05,449 INFO L87 Difference]: Start difference. First operand 192 states and 268 transitions. Second operand has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 20 states have internal predecessors, (94), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:56:18,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:18,085 INFO L93 Difference]: Finished difference Result 673 states and 938 transitions. [2024-11-24 00:56:18,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-24 00:56:18,086 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 20 states have internal predecessors, (94), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 123 [2024-11-24 00:56:18,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:18,090 INFO L225 Difference]: With dead ends: 673 [2024-11-24 00:56:18,090 INFO L226 Difference]: Without dead ends: 484 [2024-11-24 00:56:18,091 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 439 SyntacticMatches, 2 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 99.8s TimeCoverageRelationStatistics Valid=209, Invalid=1122, Unknown=1, NotChecked=0, Total=1332 [2024-11-24 00:56:18,092 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 791 mSDsluCounter, 1132 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 160 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 791 SdHoareTripleChecker+Valid, 1252 SdHoareTripleChecker+Invalid, 823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 160 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:18,092 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [791 Valid, 1252 Invalid, 823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [160 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 7.5s Time] [2024-11-24 00:56:18,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2024-11-24 00:56:18,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 317. [2024-11-24 00:56:18,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 258 states have (on average 1.3294573643410852) internal successors, (343), 262 states have internal predecessors, (343), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-24 00:56:18,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 441 transitions. [2024-11-24 00:56:18,144 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 441 transitions. Word has length 123 [2024-11-24 00:56:18,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:18,144 INFO L471 AbstractCegarLoop]: Abstraction has 317 states and 441 transitions. [2024-11-24 00:56:18,145 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 4.476190476190476) internal successors, (94), 20 states have internal predecessors, (94), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:56:18,145 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 441 transitions. [2024-11-24 00:56:18,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:56:18,148 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:18,148 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:18,158 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-24 00:56:18,354 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:18,549 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:18,549 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:18,550 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:18,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1462593626, now seen corresponding path program 1 times [2024-11-24 00:56:18,550 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:18,550 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2079947176] [2024-11-24 00:56:18,550 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:18,550 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 [2024-11-24 00:56:18,551 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:18,552 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:18,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (11)] Waiting until timeout for monitored process [2024-11-24 00:56:18,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:18,885 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:56:18,887 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:19,009 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:56:19,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:19,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2079947176] [2024-11-24 00:56:19,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2079947176] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:19,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:19,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:19,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2031186002] [2024-11-24 00:56:19,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:19,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:19,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:19,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:19,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:19,011 INFO L87 Difference]: Start difference. First operand 317 states and 441 transitions. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:56:19,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:19,220 INFO L93 Difference]: Finished difference Result 635 states and 885 transitions. [2024-11-24 00:56:19,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:19,221 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 123 [2024-11-24 00:56:19,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:19,224 INFO L225 Difference]: With dead ends: 635 [2024-11-24 00:56:19,224 INFO L226 Difference]: Without dead ends: 321 [2024-11-24 00:56:19,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:19,226 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:19,226 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 415 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:19,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-24 00:56:19,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-24 00:56:19,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 262 states have (on average 1.316793893129771) internal successors, (345), 266 states have internal predecessors, (345), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-24 00:56:19,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 443 transitions. [2024-11-24 00:56:19,280 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 443 transitions. Word has length 123 [2024-11-24 00:56:19,281 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:19,281 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 443 transitions. [2024-11-24 00:56:19,281 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:56:19,281 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 443 transitions. [2024-11-24 00:56:19,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2024-11-24 00:56:19,287 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:19,287 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:19,298 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (11)] Ended with exit code 0 [2024-11-24 00:56:19,488 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:19,488 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:19,489 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:19,489 INFO L85 PathProgramCache]: Analyzing trace with hash 2028482530, now seen corresponding path program 1 times [2024-11-24 00:56:19,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:19,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1289360291] [2024-11-24 00:56:19,489 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:19,489 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 [2024-11-24 00:56:19,489 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:19,491 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:19,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (12)] Waiting until timeout for monitored process [2024-11-24 00:56:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:19,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:56:19,950 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:56:20,118 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:20,118 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:20,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1289360291] [2024-11-24 00:56:20,119 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1289360291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:20,119 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:20,119 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:56:20,119 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824052966] [2024-11-24 00:56:20,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:20,120 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:56:20,120 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:20,120 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:56:20,120 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:20,120 INFO L87 Difference]: Start difference. First operand 321 states and 443 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:56:20,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:20,388 INFO L93 Difference]: Finished difference Result 639 states and 883 transitions. [2024-11-24 00:56:20,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:56:20,389 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 123 [2024-11-24 00:56:20,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:20,391 INFO L225 Difference]: With dead ends: 639 [2024-11-24 00:56:20,391 INFO L226 Difference]: Without dead ends: 321 [2024-11-24 00:56:20,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 122 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:56:20,396 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:20,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 416 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:56:20,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2024-11-24 00:56:20,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 321. [2024-11-24 00:56:20,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 262 states have (on average 1.3091603053435115) internal successors, (343), 266 states have internal predecessors, (343), 49 states have call successors, (49), 9 states have call predecessors, (49), 9 states have return successors, (49), 45 states have call predecessors, (49), 49 states have call successors, (49) [2024-11-24 00:56:20,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 441 transitions. [2024-11-24 00:56:20,447 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 441 transitions. Word has length 123 [2024-11-24 00:56:20,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:20,448 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 441 transitions. [2024-11-24 00:56:20,448 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:56:20,448 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 441 transitions. [2024-11-24 00:56:20,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:56:20,450 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:20,450 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:20,458 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (12)] Forceful destruction successful, exit code 0 [2024-11-24 00:56:20,653 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:20,653 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:20,654 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:20,654 INFO L85 PathProgramCache]: Analyzing trace with hash 42581858, now seen corresponding path program 1 times [2024-11-24 00:56:20,654 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:20,654 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [319529912] [2024-11-24 00:56:20,654 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:20,654 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 [2024-11-24 00:56:20,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:20,656 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:20,658 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (13)] Waiting until timeout for monitored process [2024-11-24 00:56:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:21,031 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:56:21,035 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:26,116 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:56:26,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 38 [2024-11-24 00:56:27,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 98 treesize of output 50 [2024-11-24 00:56:41,455 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-24 00:56:41,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:56:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:56:44,477 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:44,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [319529912] [2024-11-24 00:56:44,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [319529912] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:56:44,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:56:44,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2024-11-24 00:56:44,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771239043] [2024-11-24 00:56:44,478 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:44,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 00:56:44,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:44,479 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 00:56:44,479 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=256, Unknown=3, NotChecked=0, Total=306 [2024-11-24 00:56:44,480 INFO L87 Difference]: Start difference. First operand 321 states and 441 transitions. Second operand has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:56:57,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:56:57,516 INFO L93 Difference]: Finished difference Result 769 states and 1054 transitions. [2024-11-24 00:56:57,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:56:57,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-11-24 00:56:57,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:56:57,522 INFO L225 Difference]: With dead ends: 769 [2024-11-24 00:56:57,522 INFO L226 Difference]: Without dead ends: 451 [2024-11-24 00:56:57,523 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 230 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 26.7s TimeCoverageRelationStatistics Valid=69, Invalid=389, Unknown=4, NotChecked=0, Total=462 [2024-11-24 00:56:57,524 INFO L435 NwaCegarLoop]: 149 mSDtfsCounter, 106 mSDsluCounter, 925 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 1074 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:56:57,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 1074 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-24 00:56:57,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 451 states. [2024-11-24 00:56:57,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 451 to 413. [2024-11-24 00:56:57,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 346 states have (on average 1.3179190751445087) internal successors, (456), 353 states have internal predecessors, (456), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-24 00:56:57,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 564 transitions. [2024-11-24 00:56:57,577 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 564 transitions. Word has length 124 [2024-11-24 00:56:57,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:56:57,578 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 564 transitions. [2024-11-24 00:56:57,578 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 9 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:56:57,578 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 564 transitions. [2024-11-24 00:56:57,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:56:57,580 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:56:57,580 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:56:57,591 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (13)] Forceful destruction successful, exit code 0 [2024-11-24 00:56:57,780 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:56:57,781 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:56:57,781 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:56:57,781 INFO L85 PathProgramCache]: Analyzing trace with hash -968535392, now seen corresponding path program 1 times [2024-11-24 00:56:57,781 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:56:57,781 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [595009803] [2024-11-24 00:56:57,781 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:56:57,782 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 [2024-11-24 00:56:57,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:56:57,785 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:56:57,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (14)] Waiting until timeout for monitored process [2024-11-24 00:56:58,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:56:58,136 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:56:58,138 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:56:58,497 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 21 [2024-11-24 00:56:58,661 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:56:58,661 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:56:58,662 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:56:58,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [595009803] [2024-11-24 00:56:58,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [595009803] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:56:58,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:56:58,662 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:56:58,662 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1704185005] [2024-11-24 00:56:58,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:56:58,662 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:56:58,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:56:58,663 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:56:58,663 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:56:58,663 INFO L87 Difference]: Start difference. First operand 413 states and 564 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:00,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:00,162 INFO L93 Difference]: Finished difference Result 827 states and 1128 transitions. [2024-11-24 00:57:00,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:00,163 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-11-24 00:57:00,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:00,167 INFO L225 Difference]: With dead ends: 827 [2024-11-24 00:57:00,167 INFO L226 Difference]: Without dead ends: 417 [2024-11-24 00:57:00,168 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:00,169 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 79 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 104 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 104 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:00,169 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 548 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 104 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-24 00:57:00,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-24 00:57:00,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 412. [2024-11-24 00:57:00,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 412 states, 345 states have (on average 1.3159420289855073) internal successors, (454), 352 states have internal predecessors, (454), 54 states have call successors, (54), 12 states have call predecessors, (54), 12 states have return successors, (54), 47 states have call predecessors, (54), 54 states have call successors, (54) [2024-11-24 00:57:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 412 states and 562 transitions. [2024-11-24 00:57:00,225 INFO L78 Accepts]: Start accepts. Automaton has 412 states and 562 transitions. Word has length 124 [2024-11-24 00:57:00,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:00,226 INFO L471 AbstractCegarLoop]: Abstraction has 412 states and 562 transitions. [2024-11-24 00:57:00,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 562 transitions. [2024-11-24 00:57:00,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:57:00,228 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:00,228 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:00,237 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (14)] Ended with exit code 0 [2024-11-24 00:57:00,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:57:00,428 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:00,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:00,429 INFO L85 PathProgramCache]: Analyzing trace with hash 2124926155, now seen corresponding path program 1 times [2024-11-24 00:57:00,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:00,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [194276927] [2024-11-24 00:57:00,429 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:00,429 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 [2024-11-24 00:57:00,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:00,431 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:57:00,438 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (15)] Waiting until timeout for monitored process [2024-11-24 00:57:00,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:00,837 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 00:57:00,840 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:04,880 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-24 00:57:04,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:06,009 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:57:06,009 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:06,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [194276927] [2024-11-24 00:57:06,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [194276927] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:06,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:57:06,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 00:57:06,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [547168045] [2024-11-24 00:57:06,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:06,010 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:06,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:06,011 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:06,011 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 00:57:06,011 INFO L87 Difference]: Start difference. First operand 412 states and 562 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:06,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:06,697 INFO L93 Difference]: Finished difference Result 1120 states and 1526 transitions. [2024-11-24 00:57:06,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:06,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-11-24 00:57:06,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:06,703 INFO L225 Difference]: With dead ends: 1120 [2024-11-24 00:57:06,703 INFO L226 Difference]: Without dead ends: 711 [2024-11-24 00:57:06,705 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 00:57:06,705 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 86 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 612 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:06,706 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 612 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-24 00:57:06,707 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 711 states. [2024-11-24 00:57:06,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 711 to 508. [2024-11-24 00:57:06,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 433 states have (on average 1.3210161662817552) internal successors, (572), 443 states have internal predecessors, (572), 59 states have call successors, (59), 15 states have call predecessors, (59), 15 states have return successors, (59), 49 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-24 00:57:06,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 690 transitions. [2024-11-24 00:57:06,805 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 690 transitions. Word has length 124 [2024-11-24 00:57:06,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:06,806 INFO L471 AbstractCegarLoop]: Abstraction has 508 states and 690 transitions. [2024-11-24 00:57:06,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:06,806 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 690 transitions. [2024-11-24 00:57:06,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:57:06,810 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:06,810 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:06,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (15)] Forceful destruction successful, exit code 0 [2024-11-24 00:57:07,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:57:07,011 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:07,011 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:07,012 INFO L85 PathProgramCache]: Analyzing trace with hash 1113808905, now seen corresponding path program 1 times [2024-11-24 00:57:07,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:07,012 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1613595697] [2024-11-24 00:57:07,012 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:07,012 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 [2024-11-24 00:57:07,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:07,015 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:57:07,018 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (16)] Waiting until timeout for monitored process [2024-11-24 00:57:07,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:07,437 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 00:57:07,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:21,552 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:57:21,650 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:57:22,256 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2024-11-24 00:57:22,256 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:24,438 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:57:24,438 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:24,438 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1613595697] [2024-11-24 00:57:24,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1613595697] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:24,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 00:57:24,439 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [12] total 16 [2024-11-24 00:57:24,439 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663516771] [2024-11-24 00:57:24,439 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:24,439 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:24,439 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:24,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:24,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-24 00:57:24,440 INFO L87 Difference]: Start difference. First operand 508 states and 690 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:25,311 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:25,311 INFO L93 Difference]: Finished difference Result 1033 states and 1404 transitions. [2024-11-24 00:57:25,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:25,313 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-11-24 00:57:25,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:25,317 INFO L225 Difference]: With dead ends: 1033 [2024-11-24 00:57:25,317 INFO L226 Difference]: Without dead ends: 528 [2024-11-24 00:57:25,318 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=43, Invalid=229, Unknown=0, NotChecked=0, Total=272 [2024-11-24 00:57:25,319 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 53 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 523 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:25,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 523 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 00:57:25,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2024-11-24 00:57:25,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 494. [2024-11-24 00:57:25,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 494 states, 419 states have (on average 1.3126491646778042) internal successors, (550), 429 states have internal predecessors, (550), 59 states have call successors, (59), 15 states have call predecessors, (59), 15 states have return successors, (59), 49 states have call predecessors, (59), 59 states have call successors, (59) [2024-11-24 00:57:25,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 494 states and 668 transitions. [2024-11-24 00:57:25,395 INFO L78 Accepts]: Start accepts. Automaton has 494 states and 668 transitions. Word has length 124 [2024-11-24 00:57:25,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:25,396 INFO L471 AbstractCegarLoop]: Abstraction has 494 states and 668 transitions. [2024-11-24 00:57:25,396 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:25,396 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 668 transitions. [2024-11-24 00:57:25,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:57:25,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:25,398 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:25,408 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (16)] Forceful destruction successful, exit code 0 [2024-11-24 00:57:25,599 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:57:25,599 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:25,599 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:25,599 INFO L85 PathProgramCache]: Analyzing trace with hash -91431648, now seen corresponding path program 1 times [2024-11-24 00:57:25,600 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:25,600 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1944448366] [2024-11-24 00:57:25,600 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:25,600 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 [2024-11-24 00:57:25,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:25,603 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:57:25,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (17)] Waiting until timeout for monitored process [2024-11-24 00:57:25,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:25,996 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 00:57:25,998 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:26,398 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 22 [2024-11-24 00:57:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 00:57:26,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:57:26,581 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:26,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1944448366] [2024-11-24 00:57:26,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1944448366] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:26,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:26,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:26,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1150175108] [2024-11-24 00:57:26,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:26,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:26,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:26,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:26,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:26,583 INFO L87 Difference]: Start difference. First operand 494 states and 668 transitions. Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:27,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:27,979 INFO L93 Difference]: Finished difference Result 1077 states and 1444 transitions. [2024-11-24 00:57:27,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:27,980 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 124 [2024-11-24 00:57:27,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:27,985 INFO L225 Difference]: With dead ends: 1077 [2024-11-24 00:57:27,985 INFO L226 Difference]: Without dead ends: 586 [2024-11-24 00:57:27,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-24 00:57:27,987 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 77 mSDsluCounter, 430 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 77 SdHoareTripleChecker+Valid, 603 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:27,987 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [77 Valid, 603 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-24 00:57:27,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 586 states. [2024-11-24 00:57:28,057 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 586 to 405. [2024-11-24 00:57:28,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 405 states, 349 states have (on average 1.3065902578796562) internal successors, (456), 356 states have internal predecessors, (456), 42 states have call successors, (42), 13 states have call predecessors, (42), 13 states have return successors, (42), 35 states have call predecessors, (42), 42 states have call successors, (42) [2024-11-24 00:57:28,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 405 states and 540 transitions. [2024-11-24 00:57:28,060 INFO L78 Accepts]: Start accepts. Automaton has 405 states and 540 transitions. Word has length 124 [2024-11-24 00:57:28,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:28,061 INFO L471 AbstractCegarLoop]: Abstraction has 405 states and 540 transitions. [2024-11-24 00:57:28,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 5 states have internal predecessors, (57), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 00:57:28,061 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 540 transitions. [2024-11-24 00:57:28,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:57:28,062 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:28,063 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:28,072 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (17)] Forceful destruction successful, exit code 0 [2024-11-24 00:57:28,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:57:28,263 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:28,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:28,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1102548898, now seen corresponding path program 1 times [2024-11-24 00:57:28,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:57:28,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [581697666] [2024-11-24 00:57:28,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:28,264 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 [2024-11-24 00:57:28,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:57:28,267 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:57:28,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (18)] Waiting until timeout for monitored process [2024-11-24 00:57:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:28,661 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 00:57:28,664 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:36,631 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:57:36,956 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-24 00:57:36,956 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:39,536 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 00:57:39,536 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 74 treesize of output 45 [2024-11-24 00:57:40,171 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:57:40,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [581697666] [2024-11-24 00:57:40,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [581697666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:40,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1011545437] [2024-11-24 00:57:40,171 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:40,171 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:57:40,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:57:40,173 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:57:40,175 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-11-24 00:57:41,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:41,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-24 00:57:41,554 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:57:44,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:57:55,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 34 [2024-11-24 00:57:55,723 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-24 00:57:55,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:57:57,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 40 [2024-11-24 00:57:57,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1011545437] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:57:57,788 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:57:57,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2024-11-24 00:57:57,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657196080] [2024-11-24 00:57:57,788 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:57:57,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-24 00:57:57,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:57:57,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-24 00:57:57,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=271, Unknown=0, NotChecked=0, Total=342 [2024-11-24 00:57:57,790 INFO L87 Difference]: Start difference. First operand 405 states and 540 transitions. Second operand has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 12 states have internal predecessors, (96), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:58:06,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:06,420 INFO L93 Difference]: Finished difference Result 1161 states and 1546 transitions. [2024-11-24 00:58:06,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 00:58:06,426 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 12 states have internal predecessors, (96), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 124 [2024-11-24 00:58:06,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:06,435 INFO L225 Difference]: With dead ends: 1161 [2024-11-24 00:58:06,435 INFO L226 Difference]: Without dead ends: 759 [2024-11-24 00:58:06,436 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 457 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133 ImplicationChecksByTransitivity, 6.6s TimeCoverageRelationStatistics Valid=129, Invalid=423, Unknown=0, NotChecked=0, Total=552 [2024-11-24 00:58:06,439 INFO L435 NwaCegarLoop]: 136 mSDtfsCounter, 291 mSDsluCounter, 789 mSDsCounter, 0 mSdLazyCounter, 560 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 925 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 560 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:06,439 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 925 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 560 Invalid, 0 Unknown, 0 Unchecked, 6.9s Time] [2024-11-24 00:58:06,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 759 states. [2024-11-24 00:58:06,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 759 to 587. [2024-11-24 00:58:06,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 492 states have (on average 1.2947154471544715) internal successors, (637), 505 states have internal predecessors, (637), 74 states have call successors, (74), 20 states have call predecessors, (74), 20 states have return successors, (74), 61 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 00:58:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 785 transitions. [2024-11-24 00:58:06,609 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 785 transitions. Word has length 124 [2024-11-24 00:58:06,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:06,611 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 785 transitions. [2024-11-24 00:58:06,612 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 7.384615384615385) internal successors, (96), 12 states have internal predecessors, (96), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:58:06,612 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 785 transitions. [2024-11-24 00:58:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2024-11-24 00:58:06,614 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:06,614 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:06,626 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-11-24 00:58:06,846 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (18)] Ended with exit code 0 [2024-11-24 00:58:07,018 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:58:07,018 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:07,019 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:07,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1885276000, now seen corresponding path program 1 times [2024-11-24 00:58:07,019 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:07,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1291029840] [2024-11-24 00:58:07,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:07,020 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 [2024-11-24 00:58:07,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:07,022 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:58:07,025 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (20)] Waiting until timeout for monitored process [2024-11-24 00:58:07,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:07,509 INFO L256 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 00:58:07,513 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:07,666 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-24 00:58:07,666 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 00:58:07,666 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:07,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1291029840] [2024-11-24 00:58:07,666 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1291029840] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:58:07,666 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:58:07,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:58:07,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [942321467] [2024-11-24 00:58:07,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:58:07,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:58:07,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:07,667 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:58:07,667 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:58:07,668 INFO L87 Difference]: Start difference. First operand 587 states and 785 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:58:07,948 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:07,948 INFO L93 Difference]: Finished difference Result 1171 states and 1567 transitions. [2024-11-24 00:58:07,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:58:07,949 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) Word has length 124 [2024-11-24 00:58:07,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:07,952 INFO L225 Difference]: With dead ends: 1171 [2024-11-24 00:58:07,952 INFO L226 Difference]: Without dead ends: 587 [2024-11-24 00:58:07,953 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:58:07,954 INFO L435 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 415 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:07,954 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 415 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 00:58:07,955 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 587 states. [2024-11-24 00:58:08,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 587 to 587. [2024-11-24 00:58:08,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 587 states, 492 states have (on average 1.2845528455284554) internal successors, (632), 505 states have internal predecessors, (632), 74 states have call successors, (74), 20 states have call predecessors, (74), 20 states have return successors, (74), 61 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-24 00:58:08,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 780 transitions. [2024-11-24 00:58:08,054 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 780 transitions. Word has length 124 [2024-11-24 00:58:08,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:08,054 INFO L471 AbstractCegarLoop]: Abstraction has 587 states and 780 transitions. [2024-11-24 00:58:08,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 2 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 2 states have call predecessors, (14), 2 states have call successors, (14) [2024-11-24 00:58:08,054 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 780 transitions. [2024-11-24 00:58:08,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2024-11-24 00:58:08,056 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:08,056 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:08,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (20)] Ended with exit code 0 [2024-11-24 00:58:08,260 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 00:58:08,260 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:08,260 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:08,261 INFO L85 PathProgramCache]: Analyzing trace with hash -94109590, now seen corresponding path program 1 times [2024-11-24 00:58:08,261 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:08,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [928395805] [2024-11-24 00:58:08,261 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:08,261 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 [2024-11-24 00:58:08,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:08,263 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:58:08,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (21)] Waiting until timeout for monitored process [2024-11-24 00:58:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:08,634 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-24 00:58:08,638 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:15,482 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:58:16,326 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2024-11-24 00:58:16,348 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 80 [2024-11-24 00:58:17,031 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-24 00:58:17,031 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:18,435 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:58:18,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [928395805] [2024-11-24 00:58:18,435 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [928395805] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:58:18,435 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [723857539] [2024-11-24 00:58:18,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:18,435 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:58:18,435 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:58:18,437 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:58:18,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-11-24 00:58:19,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:19,942 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-24 00:58:19,947 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:24,159 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:58:33,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:58:35,033 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2024-11-24 00:58:35,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 140 treesize of output 80 [2024-11-24 00:58:35,279 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 96 refuted. 0 times theorem prover too weak. 268 trivial. 0 not checked. [2024-11-24 00:58:35,279 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:58:36,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [723857539] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:58:36,202 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:58:36,202 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 16 [2024-11-24 00:58:36,202 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2006336891] [2024-11-24 00:58:36,202 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:58:36,203 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-24 00:58:36,203 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:58:36,204 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-24 00:58:36,204 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2024-11-24 00:58:36,204 INFO L87 Difference]: Start difference. First operand 587 states and 780 transitions. Second operand has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 16 states have internal predecessors, (109), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:58:47,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:58:47,722 INFO L93 Difference]: Finished difference Result 1358 states and 1791 transitions. [2024-11-24 00:58:47,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 00:58:47,723 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 16 states have internal predecessors, (109), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) Word has length 125 [2024-11-24 00:58:47,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:58:47,728 INFO L225 Difference]: With dead ends: 1358 [2024-11-24 00:58:47,728 INFO L226 Difference]: Without dead ends: 774 [2024-11-24 00:58:47,730 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 310 GetRequests, 281 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 8.8s TimeCoverageRelationStatistics Valid=148, Invalid=664, Unknown=0, NotChecked=0, Total=812 [2024-11-24 00:58:47,731 INFO L435 NwaCegarLoop]: 202 mSDtfsCounter, 601 mSDsluCounter, 1329 mSDsCounter, 0 mSdLazyCounter, 624 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 601 SdHoareTripleChecker+Valid, 1531 SdHoareTripleChecker+Invalid, 713 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 624 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.4s IncrementalHoareTripleChecker+Time [2024-11-24 00:58:47,731 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [601 Valid, 1531 Invalid, 713 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 624 Invalid, 0 Unknown, 0 Unchecked, 8.4s Time] [2024-11-24 00:58:47,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2024-11-24 00:58:47,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 522. [2024-11-24 00:58:47,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 522 states, 434 states have (on average 1.2741935483870968) internal successors, (553), 443 states have internal predecessors, (553), 68 states have call successors, (68), 19 states have call predecessors, (68), 19 states have return successors, (68), 59 states have call predecessors, (68), 68 states have call successors, (68) [2024-11-24 00:58:47,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 522 states and 689 transitions. [2024-11-24 00:58:47,853 INFO L78 Accepts]: Start accepts. Automaton has 522 states and 689 transitions. Word has length 125 [2024-11-24 00:58:47,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:58:47,854 INFO L471 AbstractCegarLoop]: Abstraction has 522 states and 689 transitions. [2024-11-24 00:58:47,854 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 17 states have (on average 6.411764705882353) internal successors, (109), 16 states have internal predecessors, (109), 4 states have call successors, (28), 4 states have call predecessors, (28), 4 states have return successors, (28), 4 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 00:58:47,854 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 689 transitions. [2024-11-24 00:58:47,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 00:58:47,857 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:58:47,857 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:58:47,868 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (21)] Ended with exit code 0 [2024-11-24 00:58:48,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (22)] Forceful destruction successful, exit code 0 [2024-11-24 00:58:48,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt [2024-11-24 00:58:48,258 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:58:48,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:58:48,259 INFO L85 PathProgramCache]: Analyzing trace with hash -1092308188, now seen corresponding path program 1 times [2024-11-24 00:58:48,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 00:58:48,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1682157641] [2024-11-24 00:58:48,259 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:58:48,259 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 [2024-11-24 00:58:48,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 00:58:48,261 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 00:58:48,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (23)] Waiting until timeout for monitored process [2024-11-24 00:58:48,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:58:48,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-24 00:58:48,653 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:58:58,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:58:58,968 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-24 00:58:59,400 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 47 [2024-11-24 00:59:00,620 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-24 00:59:00,620 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:03,973 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 00:59:03,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1682157641] [2024-11-24 00:59:03,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1682157641] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:03,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [477843989] [2024-11-24 00:59:03,974 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:59:03,974 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 00:59:03,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 00:59:03,976 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 00:59:03,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-11-24 00:59:05,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:59:05,663 INFO L256 TraceCheckSpWp]: Trace formula consists of 332 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-24 00:59:05,668 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 00:59:09,242 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:59:23,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 00:59:25,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 37 [2024-11-24 00:59:26,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 47 [2024-11-24 00:59:26,581 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-24 00:59:26,582 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 00:59:27,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [477843989] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 00:59:27,555 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 00:59:27,556 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 17] total 29 [2024-11-24 00:59:27,556 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639513192] [2024-11-24 00:59:27,556 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 00:59:27,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-24 00:59:27,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 00:59:27,557 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-24 00:59:27,558 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=159, Invalid=1173, Unknown=0, NotChecked=0, Total=1332 [2024-11-24 00:59:27,558 INFO L87 Difference]: Start difference. First operand 522 states and 689 transitions. Second operand has 30 states, 28 states have (on average 4.178571428571429) internal successors, (117), 27 states have internal predecessors, (117), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-24 01:00:02,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:02,571 INFO L93 Difference]: Finished difference Result 1876 states and 2453 transitions. [2024-11-24 01:00:02,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-24 01:00:02,573 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 4.178571428571429) internal successors, (117), 27 states have internal predecessors, (117), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 126 [2024-11-24 01:00:02,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:02,580 INFO L225 Difference]: With dead ends: 1876 [2024-11-24 01:00:02,580 INFO L226 Difference]: Without dead ends: 1357 [2024-11-24 01:00:02,582 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 331 GetRequests, 268 SyntacticMatches, 3 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 786 ImplicationChecksByTransitivity, 29.4s TimeCoverageRelationStatistics Valid=544, Invalid=3238, Unknown=0, NotChecked=0, Total=3782 [2024-11-24 01:00:02,583 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 866 mSDsluCounter, 2269 mSDsCounter, 0 mSdLazyCounter, 1808 mSolverCounterSat, 105 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 866 SdHoareTripleChecker+Valid, 2391 SdHoareTripleChecker+Invalid, 1913 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 105 IncrementalHoareTripleChecker+Valid, 1808 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:02,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [866 Valid, 2391 Invalid, 1913 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [105 Valid, 1808 Invalid, 0 Unknown, 0 Unchecked, 20.9s Time] [2024-11-24 01:00:02,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1357 states. [2024-11-24 01:00:02,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1357 to 652. [2024-11-24 01:00:02,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 652 states, 534 states have (on average 1.2602996254681649) internal successors, (673), 543 states have internal predecessors, (673), 92 states have call successors, (92), 25 states have call predecessors, (92), 25 states have return successors, (92), 83 states have call predecessors, (92), 92 states have call successors, (92) [2024-11-24 01:00:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 857 transitions. [2024-11-24 01:00:02,743 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 857 transitions. Word has length 126 [2024-11-24 01:00:02,743 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:02,743 INFO L471 AbstractCegarLoop]: Abstraction has 652 states and 857 transitions. [2024-11-24 01:00:02,743 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 4.178571428571429) internal successors, (117), 27 states have internal predecessors, (117), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-24 01:00:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 857 transitions. [2024-11-24 01:00:02,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2024-11-24 01:00:02,747 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:02,747 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:00:02,761 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-11-24 01:00:02,956 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (23)] Ended with exit code 0 [2024-11-24 01:00:03,147 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:00:03,148 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:00:03,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:03,149 INFO L85 PathProgramCache]: Analyzing trace with hash 805188578, now seen corresponding path program 1 times [2024-11-24 01:00:03,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:00:03,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1973413238] [2024-11-24 01:00:03,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:03,150 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 [2024-11-24 01:00:03,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:00:03,152 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:00:03,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (25)] Waiting until timeout for monitored process [2024-11-24 01:00:03,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:03,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:00:03,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:00:03,910 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2024-11-24 01:00:03,910 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:00:03,910 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:00:03,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1973413238] [2024-11-24 01:00:03,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1973413238] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:00:03,911 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:00:03,911 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:00:03,911 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [924331550] [2024-11-24 01:00:03,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:03,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:00:03,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:00:03,913 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:00:03,913 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:00:03,913 INFO L87 Difference]: Start difference. First operand 652 states and 857 transitions. Second operand has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:00:05,423 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:05,423 INFO L93 Difference]: Finished difference Result 1133 states and 1475 transitions. [2024-11-24 01:00:05,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:00:05,424 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) Word has length 126 [2024-11-24 01:00:05,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:05,427 INFO L225 Difference]: With dead ends: 1133 [2024-11-24 01:00:05,427 INFO L226 Difference]: Without dead ends: 454 [2024-11-24 01:00:05,428 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:00:05,429 INFO L435 NwaCegarLoop]: 129 mSDtfsCounter, 1 mSDsluCounter, 469 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 598 SdHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:05,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 598 Invalid, 129 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:00:05,430 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 454 states. [2024-11-24 01:00:05,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 454 to 433. [2024-11-24 01:00:05,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 354 states have (on average 1.2514124293785311) internal successors, (443), 358 states have internal predecessors, (443), 60 states have call successors, (60), 18 states have call predecessors, (60), 18 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-24 01:00:05,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 563 transitions. [2024-11-24 01:00:05,519 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 563 transitions. Word has length 126 [2024-11-24 01:00:05,520 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:05,520 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 563 transitions. [2024-11-24 01:00:05,520 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 13.0) internal successors, (65), 6 states have internal predecessors, (65), 3 states have call successors, (14), 2 states have call predecessors, (14), 3 states have return successors, (14), 2 states have call predecessors, (14), 3 states have call successors, (14) [2024-11-24 01:00:05,520 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 563 transitions. [2024-11-24 01:00:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:00:05,521 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:05,522 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:00:05,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (25)] Ended with exit code 0 [2024-11-24 01:00:05,722 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:00:05,722 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:00:05,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:05,723 INFO L85 PathProgramCache]: Analyzing trace with hash -340077382, now seen corresponding path program 1 times [2024-11-24 01:00:05,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:00:05,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [649502088] [2024-11-24 01:00:05,723 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:05,723 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 [2024-11-24 01:00:05,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:00:05,727 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:00:05,731 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (26)] Waiting until timeout for monitored process [2024-11-24 01:00:06,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:06,141 INFO L256 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:00:06,143 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:00:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 9 proven. 187 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2024-11-24 01:00:10,211 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:00:11,344 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:00:11,344 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:00:11,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [649502088] [2024-11-24 01:00:11,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [649502088] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:00:11,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:00:11,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 01:00:11,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910966238] [2024-11-24 01:00:11,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:11,345 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:00:11,345 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:00:11,346 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:00:11,346 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:00:11,346 INFO L87 Difference]: Start difference. First operand 433 states and 563 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:00:11,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:11,932 INFO L93 Difference]: Finished difference Result 999 states and 1291 transitions. [2024-11-24 01:00:11,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:00:11,933 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 127 [2024-11-24 01:00:11,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:11,935 INFO L225 Difference]: With dead ends: 999 [2024-11-24 01:00:11,935 INFO L226 Difference]: Without dead ends: 569 [2024-11-24 01:00:11,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 253 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:00:11,936 INFO L435 NwaCegarLoop]: 173 mSDtfsCounter, 154 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 471 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:11,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 471 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:00:11,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 569 states. [2024-11-24 01:00:12,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 569 to 458. [2024-11-24 01:00:12,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 458 states, 379 states have (on average 1.2532981530343008) internal successors, (475), 383 states have internal predecessors, (475), 60 states have call successors, (60), 18 states have call predecessors, (60), 18 states have return successors, (60), 56 states have call predecessors, (60), 60 states have call successors, (60) [2024-11-24 01:00:12,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 458 states and 595 transitions. [2024-11-24 01:00:12,026 INFO L78 Accepts]: Start accepts. Automaton has 458 states and 595 transitions. Word has length 127 [2024-11-24 01:00:12,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:12,026 INFO L471 AbstractCegarLoop]: Abstraction has 458 states and 595 transitions. [2024-11-24 01:00:12,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:00:12,026 INFO L276 IsEmpty]: Start isEmpty. Operand 458 states and 595 transitions. [2024-11-24 01:00:12,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:00:12,028 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:12,028 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:00:12,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (26)] Forceful destruction successful, exit code 0 [2024-11-24 01:00:12,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:00:12,229 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:00:12,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:12,229 INFO L85 PathProgramCache]: Analyzing trace with hash -926883396, now seen corresponding path program 1 times [2024-11-24 01:00:12,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:00:12,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1562323266] [2024-11-24 01:00:12,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:12,230 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 [2024-11-24 01:00:12,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:00:12,231 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:00:12,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (27)] Waiting until timeout for monitored process [2024-11-24 01:00:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:12,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-24 01:00:12,621 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:00:12,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 19 [2024-11-24 01:00:13,374 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:00:13,374 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:00:13,374 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:00:13,374 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1562323266] [2024-11-24 01:00:13,374 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1562323266] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:00:13,374 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:00:13,375 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:00:13,375 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849512378] [2024-11-24 01:00:13,375 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:00:13,375 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:00:13,375 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:00:13,376 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:00:13,376 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:00:13,376 INFO L87 Difference]: Start difference. First operand 458 states and 595 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:00:14,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:00:14,899 INFO L93 Difference]: Finished difference Result 1075 states and 1386 transitions. [2024-11-24 01:00:14,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:00:14,900 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 127 [2024-11-24 01:00:14,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:00:14,904 INFO L225 Difference]: With dead ends: 1075 [2024-11-24 01:00:14,904 INFO L226 Difference]: Without dead ends: 620 [2024-11-24 01:00:14,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:00:14,907 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 93 mSDsluCounter, 639 mSDsCounter, 0 mSdLazyCounter, 90 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 816 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 90 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:00:14,908 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 816 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 90 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:00:14,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2024-11-24 01:00:15,020 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 614. [2024-11-24 01:00:15,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 614 states, 499 states have (on average 1.2384769539078155) internal successors, (618), 508 states have internal predecessors, (618), 85 states have call successors, (85), 29 states have call predecessors, (85), 29 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-24 01:00:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 614 states and 788 transitions. [2024-11-24 01:00:15,024 INFO L78 Accepts]: Start accepts. Automaton has 614 states and 788 transitions. Word has length 127 [2024-11-24 01:00:15,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:00:15,025 INFO L471 AbstractCegarLoop]: Abstraction has 614 states and 788 transitions. [2024-11-24 01:00:15,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 6 states have internal predecessors, (60), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:00:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 614 states and 788 transitions. [2024-11-24 01:00:15,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2024-11-24 01:00:15,027 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:00:15,027 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:00:15,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (27)] Ended with exit code 0 [2024-11-24 01:00:15,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:00:15,227 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:00:15,228 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:00:15,228 INFO L85 PathProgramCache]: Analyzing trace with hash -663686300, now seen corresponding path program 1 times [2024-11-24 01:00:15,228 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:00:15,228 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [540624697] [2024-11-24 01:00:15,228 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:15,228 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 [2024-11-24 01:00:15,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:00:15,230 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:00:15,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (28)] Waiting until timeout for monitored process [2024-11-24 01:00:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:15,609 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:00:15,611 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:00:22,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 01:00:22,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2024-11-24 01:00:22,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 78 [2024-11-24 01:00:23,670 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-24 01:00:23,670 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:00:25,118 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:00:25,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [540624697] [2024-11-24 01:00:25,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [540624697] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:00:25,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [717021983] [2024-11-24 01:00:25,118 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:00:25,118 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:00:25,118 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:00:25,120 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:00:25,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-11-24 01:00:26,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:00:26,599 INFO L256 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-24 01:00:26,603 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:00:29,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 01:00:40,182 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-24 01:00:41,668 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 92 [2024-11-24 01:00:41,689 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 138 treesize of output 78 [2024-11-24 01:00:41,854 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 11 proven. 129 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-24 01:00:41,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:00:42,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [717021983] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:00:42,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:00:42,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 22 [2024-11-24 01:00:42,580 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995333739] [2024-11-24 01:00:42,580 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:00:42,581 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-24 01:00:42,581 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:00:42,581 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-24 01:00:42,581 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=599, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:00:42,582 INFO L87 Difference]: Start difference. First operand 614 states and 788 transitions. Second operand has 23 states, 21 states have (on average 5.666666666666667) internal successors, (119), 20 states have internal predecessors, (119), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-24 01:01:00,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:00,418 INFO L93 Difference]: Finished difference Result 1569 states and 2012 transitions. [2024-11-24 01:01:00,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-24 01:01:00,424 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 21 states have (on average 5.666666666666667) internal successors, (119), 20 states have internal predecessors, (119), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) Word has length 127 [2024-11-24 01:01:00,424 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:00,432 INFO L225 Difference]: With dead ends: 1569 [2024-11-24 01:01:00,436 INFO L226 Difference]: Without dead ends: 958 [2024-11-24 01:01:00,437 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 279 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 395 ImplicationChecksByTransitivity, 12.7s TimeCoverageRelationStatistics Valid=323, Invalid=1483, Unknown=0, NotChecked=0, Total=1806 [2024-11-24 01:01:00,438 INFO L435 NwaCegarLoop]: 174 mSDtfsCounter, 675 mSDsluCounter, 2217 mSDsCounter, 0 mSdLazyCounter, 1091 mSolverCounterSat, 88 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 675 SdHoareTripleChecker+Valid, 2391 SdHoareTripleChecker+Invalid, 1179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 88 IncrementalHoareTripleChecker+Valid, 1091 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:00,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [675 Valid, 2391 Invalid, 1179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [88 Valid, 1091 Invalid, 0 Unknown, 0 Unchecked, 12.2s Time] [2024-11-24 01:01:00,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 958 states. [2024-11-24 01:01:00,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 958 to 568. [2024-11-24 01:01:00,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 568 states, 453 states have (on average 1.2273730684326711) internal successors, (556), 462 states have internal predecessors, (556), 85 states have call successors, (85), 29 states have call predecessors, (85), 29 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-24 01:01:00,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 568 states and 726 transitions. [2024-11-24 01:01:00,584 INFO L78 Accepts]: Start accepts. Automaton has 568 states and 726 transitions. Word has length 127 [2024-11-24 01:01:00,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:00,584 INFO L471 AbstractCegarLoop]: Abstraction has 568 states and 726 transitions. [2024-11-24 01:01:00,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 21 states have (on average 5.666666666666667) internal successors, (119), 20 states have internal predecessors, (119), 6 states have call successors, (28), 6 states have call predecessors, (28), 6 states have return successors, (28), 4 states have call predecessors, (28), 6 states have call successors, (28) [2024-11-24 01:01:00,585 INFO L276 IsEmpty]: Start isEmpty. Operand 568 states and 726 transitions. [2024-11-24 01:01:00,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:01:00,586 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:00,587 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:00,598 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-11-24 01:01:00,792 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (28)] Forceful destruction successful, exit code 0 [2024-11-24 01:01:00,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 29 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt,28 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:00,987 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:00,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:00,988 INFO L85 PathProgramCache]: Analyzing trace with hash 875848001, now seen corresponding path program 1 times [2024-11-24 01:01:00,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:00,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [979691410] [2024-11-24 01:01:00,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:00,988 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 [2024-11-24 01:01:00,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:00,990 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:00,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (30)] Waiting until timeout for monitored process [2024-11-24 01:01:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:01,370 INFO L256 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:01:01,373 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:05,745 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 7 proven. 213 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 01:01:05,745 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:01:06,871 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:06,871 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:06,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [979691410] [2024-11-24 01:01:06,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [979691410] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:01:06,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:01:06,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [10] total 11 [2024-11-24 01:01:06,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88512175] [2024-11-24 01:01:06,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:06,872 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:01:06,872 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:06,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:01:06,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:01:06,873 INFO L87 Difference]: Start difference. First operand 568 states and 726 transitions. Second operand has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:07,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:07,474 INFO L93 Difference]: Finished difference Result 1144 states and 1453 transitions. [2024-11-24 01:01:07,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:01:07,475 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129 [2024-11-24 01:01:07,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:07,477 INFO L225 Difference]: With dead ends: 1144 [2024-11-24 01:01:07,478 INFO L226 Difference]: Without dead ends: 579 [2024-11-24 01:01:07,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 247 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:01:07,479 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 79 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 636 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:07,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 636 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:01:07,480 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-24 01:01:07,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 577. [2024-11-24 01:01:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 577 states, 458 states have (on average 1.2183406113537119) internal successors, (558), 467 states have internal predecessors, (558), 85 states have call successors, (85), 33 states have call predecessors, (85), 33 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-24 01:01:07,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 577 states and 728 transitions. [2024-11-24 01:01:07,618 INFO L78 Accepts]: Start accepts. Automaton has 577 states and 728 transitions. Word has length 129 [2024-11-24 01:01:07,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:07,618 INFO L471 AbstractCegarLoop]: Abstraction has 577 states and 728 transitions. [2024-11-24 01:01:07,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.4) internal successors, (62), 5 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:07,619 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 728 transitions. [2024-11-24 01:01:07,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:01:07,620 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:07,620 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:07,632 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (30)] Ended with exit code 0 [2024-11-24 01:01:07,821 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 30 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:07,821 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:07,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:07,822 INFO L85 PathProgramCache]: Analyzing trace with hash -339561953, now seen corresponding path program 1 times [2024-11-24 01:01:07,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:07,822 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [571301647] [2024-11-24 01:01:07,822 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:07,822 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 [2024-11-24 01:01:07,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:07,824 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:07,825 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (31)] Waiting until timeout for monitored process [2024-11-24 01:01:08,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:08,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-24 01:01:08,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:08,283 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:08,283 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:08,283 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:08,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [571301647] [2024-11-24 01:01:08,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [571301647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:08,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:08,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:01:08,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715567794] [2024-11-24 01:01:08,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:08,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:01:08,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:08,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:01:08,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:01:08,285 INFO L87 Difference]: Start difference. First operand 577 states and 728 transitions. Second operand has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:08,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:08,468 INFO L93 Difference]: Finished difference Result 1153 states and 1457 transitions. [2024-11-24 01:01:08,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:01:08,468 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129 [2024-11-24 01:01:08,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:08,471 INFO L225 Difference]: With dead ends: 1153 [2024-11-24 01:01:08,471 INFO L226 Difference]: Without dead ends: 579 [2024-11-24 01:01:08,472 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:01:08,472 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 273 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:08,473 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 273 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 01:01:08,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 579 states. [2024-11-24 01:01:08,627 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 579 to 579. [2024-11-24 01:01:08,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 579 states, 460 states have (on average 1.2173913043478262) internal successors, (560), 469 states have internal predecessors, (560), 85 states have call successors, (85), 33 states have call predecessors, (85), 33 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-24 01:01:08,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 579 states and 730 transitions. [2024-11-24 01:01:08,631 INFO L78 Accepts]: Start accepts. Automaton has 579 states and 730 transitions. Word has length 129 [2024-11-24 01:01:08,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:08,632 INFO L471 AbstractCegarLoop]: Abstraction has 579 states and 730 transitions. [2024-11-24 01:01:08,632 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.666666666666668) internal successors, (62), 3 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:08,632 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 730 transitions. [2024-11-24 01:01:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2024-11-24 01:01:08,633 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:08,634 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:08,642 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (31)] Ended with exit code 0 [2024-11-24 01:01:08,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:08,834 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:08,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:08,835 INFO L85 PathProgramCache]: Analyzing trace with hash -926367967, now seen corresponding path program 1 times [2024-11-24 01:01:08,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:08,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1036892445] [2024-11-24 01:01:08,835 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:08,835 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 [2024-11-24 01:01:08,835 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:08,837 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:08,838 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (32)] Waiting until timeout for monitored process [2024-11-24 01:01:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:09,236 INFO L256 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:01:09,239 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:18,762 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 36 [2024-11-24 01:01:19,327 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 8 proven. 248 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2024-11-24 01:01:19,328 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:01:21,555 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:21,555 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:21,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1036892445] [2024-11-24 01:01:21,555 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1036892445] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:01:21,555 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:01:21,555 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 20 [2024-11-24 01:01:21,555 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612824474] [2024-11-24 01:01:21,555 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:21,556 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:01:21,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:21,556 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:01:21,556 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:01:21,557 INFO L87 Difference]: Start difference. First operand 579 states and 730 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:23,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:23,139 INFO L93 Difference]: Finished difference Result 1235 states and 1564 transitions. [2024-11-24 01:01:23,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:01:23,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 129 [2024-11-24 01:01:23,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:23,143 INFO L225 Difference]: With dead ends: 1235 [2024-11-24 01:01:23,143 INFO L226 Difference]: Without dead ends: 659 [2024-11-24 01:01:23,144 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 239 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2024-11-24 01:01:23,144 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 144 mSDsluCounter, 575 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:23,144 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 750 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:01:23,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2024-11-24 01:01:23,292 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 497. [2024-11-24 01:01:23,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 388 states have (on average 1.193298969072165) internal successors, (463), 394 states have internal predecessors, (463), 78 states have call successors, (78), 30 states have call predecessors, (78), 30 states have return successors, (78), 72 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-24 01:01:23,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 619 transitions. [2024-11-24 01:01:23,296 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 619 transitions. Word has length 129 [2024-11-24 01:01:23,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:23,296 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 619 transitions. [2024-11-24 01:01:23,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 6 states have internal predecessors, (62), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:23,297 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 619 transitions. [2024-11-24 01:01:23,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:01:23,298 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:23,298 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:23,308 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (32)] Forceful destruction successful, exit code 0 [2024-11-24 01:01:23,499 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:23,499 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:23,499 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:23,499 INFO L85 PathProgramCache]: Analyzing trace with hash -1420500962, now seen corresponding path program 1 times [2024-11-24 01:01:23,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:23,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2077019753] [2024-11-24 01:01:23,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:23,500 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 [2024-11-24 01:01:23,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:23,502 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:23,504 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (33)] Waiting until timeout for monitored process [2024-11-24 01:01:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:23,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:01:23,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:27,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 7 [2024-11-24 01:01:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 6 proven. 214 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-11-24 01:01:28,033 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:01:30,106 INFO L349 Elim1Store]: treesize reduction 4, result has 63.6 percent of original size [2024-11-24 01:01:30,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2024-11-24 01:01:31,530 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2024-11-24 01:01:31,531 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:31,531 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2077019753] [2024-11-24 01:01:31,531 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2077019753] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-24 01:01:31,531 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-24 01:01:31,531 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2024-11-24 01:01:31,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402499252] [2024-11-24 01:01:31,531 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-24 01:01:31,531 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:01:31,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:31,532 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:01:31,532 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:01:31,532 INFO L87 Difference]: Start difference. First operand 497 states and 619 transitions. Second operand has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 01:01:34,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:34,801 INFO L93 Difference]: Finished difference Result 1015 states and 1259 transitions. [2024-11-24 01:01:34,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:01:34,802 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) Word has length 130 [2024-11-24 01:01:34,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:34,806 INFO L225 Difference]: With dead ends: 1015 [2024-11-24 01:01:34,806 INFO L226 Difference]: Without dead ends: 521 [2024-11-24 01:01:34,807 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 249 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=103, Invalid=277, Unknown=0, NotChecked=0, Total=380 [2024-11-24 01:01:34,808 INFO L435 NwaCegarLoop]: 115 mSDtfsCounter, 250 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 174 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 174 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:34,808 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 528 Invalid, 223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 174 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-24 01:01:34,809 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 521 states. [2024-11-24 01:01:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 521 to 497. [2024-11-24 01:01:34,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 388 states have (on average 1.1881443298969072) internal successors, (461), 394 states have internal predecessors, (461), 78 states have call successors, (78), 30 states have call predecessors, (78), 30 states have return successors, (78), 72 states have call predecessors, (78), 78 states have call successors, (78) [2024-11-24 01:01:34,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 617 transitions. [2024-11-24 01:01:34,957 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 617 transitions. Word has length 130 [2024-11-24 01:01:34,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:34,957 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 617 transitions. [2024-11-24 01:01:34,957 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 8.444444444444445) internal successors, (76), 11 states have internal predecessors, (76), 4 states have call successors, (28), 3 states have call predecessors, (28), 5 states have return successors, (28), 2 states have call predecessors, (28), 4 states have call successors, (28) [2024-11-24 01:01:34,957 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 617 transitions. [2024-11-24 01:01:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:01:34,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:34,959 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:34,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (33)] Ended with exit code 0 [2024-11-24 01:01:35,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:35,160 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:35,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:35,160 INFO L85 PathProgramCache]: Analyzing trace with hash -719436384, now seen corresponding path program 1 times [2024-11-24 01:01:35,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:35,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [973326720] [2024-11-24 01:01:35,161 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:35,161 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 [2024-11-24 01:01:35,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:35,162 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:35,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (34)] Waiting until timeout for monitored process [2024-11-24 01:01:35,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:35,596 INFO L256 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:01:35,600 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:35,633 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-24 01:01:36,198 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 42 [2024-11-24 01:01:36,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 30 [2024-11-24 01:01:36,525 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:36,525 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:36,525 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:36,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [973326720] [2024-11-24 01:01:36,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [973326720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:36,525 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:36,525 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:01:36,525 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050260225] [2024-11-24 01:01:36,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:36,526 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:01:36,526 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:36,526 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:01:36,526 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:01:36,527 INFO L87 Difference]: Start difference. First operand 497 states and 617 transitions. Second operand has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:38,060 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:38,060 INFO L93 Difference]: Finished difference Result 683 states and 843 transitions. [2024-11-24 01:01:38,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:01:38,061 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-24 01:01:38,061 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:38,063 INFO L225 Difference]: With dead ends: 683 [2024-11-24 01:01:38,063 INFO L226 Difference]: Without dead ends: 681 [2024-11-24 01:01:38,064 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:01:38,064 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 99 mSDsluCounter, 611 mSDsCounter, 0 mSdLazyCounter, 94 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 791 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 94 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:38,065 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 791 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-24 01:01:38,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 681 states. [2024-11-24 01:01:38,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 681 to 677. [2024-11-24 01:01:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 677 states, 512 states have (on average 1.16796875) internal successors, (598), 523 states have internal predecessors, (598), 119 states have call successors, (119), 45 states have call predecessors, (119), 45 states have return successors, (119), 108 states have call predecessors, (119), 119 states have call successors, (119) [2024-11-24 01:01:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 677 states and 836 transitions. [2024-11-24 01:01:38,207 INFO L78 Accepts]: Start accepts. Automaton has 677 states and 836 transitions. Word has length 130 [2024-11-24 01:01:38,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:38,207 INFO L471 AbstractCegarLoop]: Abstraction has 677 states and 836 transitions. [2024-11-24 01:01:38,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.5) internal successors, (63), 6 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:38,207 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 836 transitions. [2024-11-24 01:01:38,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:01:38,208 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:38,208 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:38,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (34)] Ended with exit code 0 [2024-11-24 01:01:38,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:38,409 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:38,409 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:38,409 INFO L85 PathProgramCache]: Analyzing trace with hash -717589342, now seen corresponding path program 1 times [2024-11-24 01:01:38,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:38,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1328254083] [2024-11-24 01:01:38,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:38,410 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 [2024-11-24 01:01:38,410 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:38,411 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:38,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (35)] Waiting until timeout for monitored process [2024-11-24 01:01:38,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:38,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-24 01:01:38,837 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:38,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-24 01:01:39,426 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:39,426 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:39,426 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:39,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1328254083] [2024-11-24 01:01:39,427 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1328254083] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:39,427 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:39,427 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:01:39,427 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1020894692] [2024-11-24 01:01:39,427 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:39,427 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:01:39,427 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:39,428 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:01:39,428 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:01:39,428 INFO L87 Difference]: Start difference. First operand 677 states and 836 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:40,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:40,280 INFO L93 Difference]: Finished difference Result 1254 states and 1540 transitions. [2024-11-24 01:01:40,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:01:40,281 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-24 01:01:40,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:40,283 INFO L225 Difference]: With dead ends: 1254 [2024-11-24 01:01:40,283 INFO L226 Difference]: Without dead ends: 738 [2024-11-24 01:01:40,284 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:01:40,285 INFO L435 NwaCegarLoop]: 209 mSDtfsCounter, 108 mSDsluCounter, 496 mSDsCounter, 0 mSdLazyCounter, 47 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 705 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 47 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:40,285 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 705 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 47 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-24 01:01:40,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 738 states. [2024-11-24 01:01:40,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 738 to 717. [2024-11-24 01:01:40,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 717 states, 536 states have (on average 1.1567164179104477) internal successors, (620), 547 states have internal predecessors, (620), 131 states have call successors, (131), 49 states have call predecessors, (131), 49 states have return successors, (131), 120 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-24 01:01:40,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 882 transitions. [2024-11-24 01:01:40,460 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 882 transitions. Word has length 130 [2024-11-24 01:01:40,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:40,460 INFO L471 AbstractCegarLoop]: Abstraction has 717 states and 882 transitions. [2024-11-24 01:01:40,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:40,461 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 882 transitions. [2024-11-24 01:01:40,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-11-24 01:01:40,462 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:40,462 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:40,470 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (35)] Ended with exit code 0 [2024-11-24 01:01:40,662 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 35 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:40,662 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:40,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:40,663 INFO L85 PathProgramCache]: Analyzing trace with hash 1057418020, now seen corresponding path program 1 times [2024-11-24 01:01:40,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:40,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1585747666] [2024-11-24 01:01:40,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:40,663 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 [2024-11-24 01:01:40,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:40,665 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:40,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (36)] Waiting until timeout for monitored process [2024-11-24 01:01:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:41,100 INFO L256 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-24 01:01:41,101 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:41,330 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:41,330 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:41,330 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:41,330 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1585747666] [2024-11-24 01:01:41,330 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1585747666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:41,330 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:41,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 01:01:41,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387711860] [2024-11-24 01:01:41,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:41,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 01:01:41,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:41,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 01:01:41,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:01:41,332 INFO L87 Difference]: Start difference. First operand 717 states and 882 transitions. Second operand has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:41,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:41,856 INFO L93 Difference]: Finished difference Result 1239 states and 1520 transitions. [2024-11-24 01:01:41,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 01:01:41,857 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 130 [2024-11-24 01:01:41,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:41,861 INFO L225 Difference]: With dead ends: 1239 [2024-11-24 01:01:41,861 INFO L226 Difference]: Without dead ends: 723 [2024-11-24 01:01:41,862 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:01:41,863 INFO L435 NwaCegarLoop]: 137 mSDtfsCounter, 0 mSDsluCounter, 395 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:41,863 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 532 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:01:41,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 723 states. [2024-11-24 01:01:42,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 723 to 723. [2024-11-24 01:01:42,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 723 states, 542 states have (on average 1.154981549815498) internal successors, (626), 553 states have internal predecessors, (626), 131 states have call successors, (131), 49 states have call predecessors, (131), 49 states have return successors, (131), 120 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-24 01:01:42,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 723 states to 723 states and 888 transitions. [2024-11-24 01:01:42,037 INFO L78 Accepts]: Start accepts. Automaton has 723 states and 888 transitions. Word has length 130 [2024-11-24 01:01:42,037 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:42,037 INFO L471 AbstractCegarLoop]: Abstraction has 723 states and 888 transitions. [2024-11-24 01:01:42,037 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.6) internal successors, (63), 5 states have internal predecessors, (63), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:42,037 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 888 transitions. [2024-11-24 01:01:42,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 01:01:42,039 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:42,039 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:42,048 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (36)] Ended with exit code 0 [2024-11-24 01:01:42,239 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:42,240 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:42,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:42,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1643928348, now seen corresponding path program 1 times [2024-11-24 01:01:42,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:42,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [597569314] [2024-11-24 01:01:42,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:42,241 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 [2024-11-24 01:01:42,241 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:42,244 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:42,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (37)] Waiting until timeout for monitored process [2024-11-24 01:01:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:42,691 INFO L256 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:01:42,695 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:42,790 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-24 01:01:43,130 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2024-11-24 01:01:43,253 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-24 01:01:43,945 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:43,945 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:43,945 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:43,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [597569314] [2024-11-24 01:01:43,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [597569314] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:43,945 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:43,946 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-24 01:01:43,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287771425] [2024-11-24 01:01:43,946 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:43,946 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-24 01:01:43,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:43,947 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-24 01:01:43,947 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:01:43,947 INFO L87 Difference]: Start difference. First operand 723 states and 888 transitions. Second operand has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:47,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:47,859 INFO L93 Difference]: Finished difference Result 1370 states and 1667 transitions. [2024-11-24 01:01:47,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-24 01:01:47,860 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 131 [2024-11-24 01:01:47,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:47,864 INFO L225 Difference]: With dead ends: 1370 [2024-11-24 01:01:47,864 INFO L226 Difference]: Without dead ends: 848 [2024-11-24 01:01:47,865 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 135 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-24 01:01:47,866 INFO L435 NwaCegarLoop]: 246 mSDtfsCounter, 120 mSDsluCounter, 1460 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 1706 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:47,866 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 1706 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-11-24 01:01:47,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-24 01:01:48,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 785. [2024-11-24 01:01:48,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 785 states, 580 states have (on average 1.143103448275862) internal successors, (663), 591 states have internal predecessors, (663), 147 states have call successors, (147), 57 states have call predecessors, (147), 57 states have return successors, (147), 136 states have call predecessors, (147), 147 states have call successors, (147) [2024-11-24 01:01:48,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 785 states to 785 states and 957 transitions. [2024-11-24 01:01:48,060 INFO L78 Accepts]: Start accepts. Automaton has 785 states and 957 transitions. Word has length 131 [2024-11-24 01:01:48,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:48,061 INFO L471 AbstractCegarLoop]: Abstraction has 785 states and 957 transitions. [2024-11-24 01:01:48,061 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.111111111111111) internal successors, (64), 9 states have internal predecessors, (64), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:48,061 INFO L276 IsEmpty]: Start isEmpty. Operand 785 states and 957 transitions. [2024-11-24 01:01:48,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 01:01:48,061 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:48,061 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:48,067 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (37)] Ended with exit code 0 [2024-11-24 01:01:48,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 37 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:48,262 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:48,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:48,262 INFO L85 PathProgramCache]: Analyzing trace with hash 1915642386, now seen corresponding path program 1 times [2024-11-24 01:01:48,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:48,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1638139103] [2024-11-24 01:01:48,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:48,263 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 [2024-11-24 01:01:48,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:48,264 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:48,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (38)] Waiting until timeout for monitored process [2024-11-24 01:01:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:48,704 INFO L256 TraceCheckSpWp]: Trace formula consists of 351 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-24 01:01:48,708 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:49,358 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 01:01:49,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2024-11-24 01:01:49,597 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2024-11-24 01:01:49,918 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:49,918 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:49,918 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:49,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1638139103] [2024-11-24 01:01:49,918 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1638139103] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:49,918 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:49,918 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-24 01:01:49,918 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602286863] [2024-11-24 01:01:49,919 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:49,919 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:01:49,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:49,919 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:01:49,919 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-24 01:01:49,920 INFO L87 Difference]: Start difference. First operand 785 states and 957 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:53,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:53,291 INFO L93 Difference]: Finished difference Result 1715 states and 2063 transitions. [2024-11-24 01:01:53,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:01:53,293 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 132 [2024-11-24 01:01:53,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:53,296 INFO L225 Difference]: With dead ends: 1715 [2024-11-24 01:01:53,296 INFO L226 Difference]: Without dead ends: 1131 [2024-11-24 01:01:53,297 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2024-11-24 01:01:53,297 INFO L435 NwaCegarLoop]: 175 mSDtfsCounter, 71 mSDsluCounter, 577 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:53,297 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 752 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2024-11-24 01:01:53,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1131 states. [2024-11-24 01:01:53,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1131 to 972. [2024-11-24 01:01:53,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 972 states, 731 states have (on average 1.1354309165526675) internal successors, (830), 747 states have internal predecessors, (830), 172 states have call successors, (172), 68 states have call predecessors, (172), 68 states have return successors, (172), 156 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-24 01:01:53,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 972 states and 1174 transitions. [2024-11-24 01:01:53,570 INFO L78 Accepts]: Start accepts. Automaton has 972 states and 1174 transitions. Word has length 132 [2024-11-24 01:01:53,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:53,571 INFO L471 AbstractCegarLoop]: Abstraction has 972 states and 1174 transitions. [2024-11-24 01:01:53,571 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 states have internal predecessors, (65), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:53,571 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1174 transitions. [2024-11-24 01:01:53,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 01:01:53,573 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:53,573 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:53,582 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (38)] Ended with exit code 0 [2024-11-24 01:01:53,773 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:53,774 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:53,774 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:53,774 INFO L85 PathProgramCache]: Analyzing trace with hash -152039892, now seen corresponding path program 1 times [2024-11-24 01:01:53,775 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:53,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1926030486] [2024-11-24 01:01:53,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:53,775 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 [2024-11-24 01:01:53,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:53,776 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:53,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (39)] Waiting until timeout for monitored process [2024-11-24 01:01:54,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:54,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-24 01:01:54,262 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:01:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:01:54,609 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:01:54,609 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:01:54,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1926030486] [2024-11-24 01:01:54,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1926030486] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:01:54,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:01:54,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 01:01:54,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1655630638] [2024-11-24 01:01:54,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:01:54,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:01:54,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:01:54,611 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:01:54,611 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:01:54,611 INFO L87 Difference]: Start difference. First operand 972 states and 1174 transitions. Second operand has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:55,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:01:55,174 INFO L93 Difference]: Finished difference Result 1751 states and 2106 transitions. [2024-11-24 01:01:55,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:01:55,175 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 133 [2024-11-24 01:01:55,175 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:01:55,180 INFO L225 Difference]: With dead ends: 1751 [2024-11-24 01:01:55,180 INFO L226 Difference]: Without dead ends: 980 [2024-11-24 01:01:55,182 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-24 01:01:55,182 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 0 mSDsluCounter, 521 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-24 01:01:55,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 656 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-24 01:01:55,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 980 states. [2024-11-24 01:01:55,488 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 980 to 974. [2024-11-24 01:01:55,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 974 states, 733 states have (on average 1.13506139154161) internal successors, (832), 749 states have internal predecessors, (832), 172 states have call successors, (172), 68 states have call predecessors, (172), 68 states have return successors, (172), 156 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-24 01:01:55,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 974 states and 1176 transitions. [2024-11-24 01:01:55,493 INFO L78 Accepts]: Start accepts. Automaton has 974 states and 1176 transitions. Word has length 133 [2024-11-24 01:01:55,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:01:55,493 INFO L471 AbstractCegarLoop]: Abstraction has 974 states and 1176 transitions. [2024-11-24 01:01:55,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.0) internal successors, (66), 6 states have internal predecessors, (66), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:01:55,493 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1176 transitions. [2024-11-24 01:01:55,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 01:01:55,495 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:01:55,495 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:01:55,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (39)] Ended with exit code 0 [2024-11-24 01:01:55,695 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:01:55,696 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:01:55,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:01:55,696 INFO L85 PathProgramCache]: Analyzing trace with hash -1796818747, now seen corresponding path program 1 times [2024-11-24 01:01:55,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:01:55,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1310927810] [2024-11-24 01:01:55,697 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:01:55,697 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 [2024-11-24 01:01:55,697 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:01:55,699 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:01:55,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (40)] Waiting until timeout for monitored process [2024-11-24 01:01:56,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:01:56,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 34 conjuncts are in the unsatisfiable core [2024-11-24 01:01:56,264 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:02:10,796 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-24 01:02:17,860 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 39 [2024-11-24 01:02:19,079 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 29 proven. 178 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-24 01:02:19,079 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:02:31,400 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:02:31,400 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:02:31,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1310927810] [2024-11-24 01:02:31,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1310927810] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:02:31,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:02:31,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [22] total 28 [2024-11-24 01:02:31,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [596518196] [2024-11-24 01:02:31,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:02:31,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:02:31,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:02:31,401 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:02:31,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=667, Unknown=0, NotChecked=0, Total=756 [2024-11-24 01:02:31,403 INFO L87 Difference]: Start difference. First operand 974 states and 1176 transitions. Second operand has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:02:43,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:02:43,034 INFO L93 Difference]: Finished difference Result 1853 states and 2218 transitions. [2024-11-24 01:02:43,045 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-24 01:02:43,045 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 135 [2024-11-24 01:02:43,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:02:43,050 INFO L225 Difference]: With dead ends: 1853 [2024-11-24 01:02:43,050 INFO L226 Difference]: Without dead ends: 1080 [2024-11-24 01:02:43,052 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 250 ImplicationChecksByTransitivity, 18.8s TimeCoverageRelationStatistics Valid=112, Invalid=818, Unknown=0, NotChecked=0, Total=930 [2024-11-24 01:02:43,053 INFO L435 NwaCegarLoop]: 162 mSDtfsCounter, 103 mSDsluCounter, 491 mSDsCounter, 0 mSdLazyCounter, 155 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 155 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:02:43,053 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 653 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 155 Invalid, 0 Unknown, 0 Unchecked, 8.0s Time] [2024-11-24 01:02:43,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1080 states. [2024-11-24 01:02:43,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1080 to 1030. [2024-11-24 01:02:43,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1030 states, 789 states have (on average 1.1343472750316856) internal successors, (895), 805 states have internal predecessors, (895), 172 states have call successors, (172), 68 states have call predecessors, (172), 68 states have return successors, (172), 156 states have call predecessors, (172), 172 states have call successors, (172) [2024-11-24 01:02:43,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 1030 states and 1239 transitions. [2024-11-24 01:02:43,391 INFO L78 Accepts]: Start accepts. Automaton has 1030 states and 1239 transitions. Word has length 135 [2024-11-24 01:02:43,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:02:43,392 INFO L471 AbstractCegarLoop]: Abstraction has 1030 states and 1239 transitions. [2024-11-24 01:02:43,392 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.714285714285714) internal successors, (68), 7 states have internal predecessors, (68), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:02:43,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1030 states and 1239 transitions. [2024-11-24 01:02:43,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 01:02:43,393 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:02:43,393 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:02:43,404 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (40)] Forceful destruction successful, exit code 0 [2024-11-24 01:02:43,594 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:02:43,594 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:02:43,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:02:43,594 INFO L85 PathProgramCache]: Analyzing trace with hash -2054984185, now seen corresponding path program 1 times [2024-11-24 01:02:43,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:02:43,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1082087280] [2024-11-24 01:02:43,595 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:02:43,595 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 [2024-11-24 01:02:43,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:02:43,597 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:02:43,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (41)] Waiting until timeout for monitored process [2024-11-24 01:02:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:02:44,159 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-24 01:02:44,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:02:57,793 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 23 [2024-11-24 01:02:57,817 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2024-11-24 01:02:57,838 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2024-11-24 01:02:58,519 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 27 proven. 172 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2024-11-24 01:02:58,519 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:03:10,383 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 32 [2024-11-24 01:03:12,357 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:03:12,358 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:03:12,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1082087280] [2024-11-24 01:03:12,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1082087280] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:03:12,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:03:12,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [16] total 21 [2024-11-24 01:03:12,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [797379243] [2024-11-24 01:03:12,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:03:12,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 01:03:12,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:03:12,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 01:03:12,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=360, Unknown=2, NotChecked=0, Total=420 [2024-11-24 01:03:12,359 INFO L87 Difference]: Start difference. First operand 1030 states and 1239 transitions. Second operand has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:03:20,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:03:20,017 INFO L93 Difference]: Finished difference Result 2233 states and 2654 transitions. [2024-11-24 01:03:20,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:03:20,025 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 135 [2024-11-24 01:03:20,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:03:20,032 INFO L225 Difference]: With dead ends: 2233 [2024-11-24 01:03:20,032 INFO L226 Difference]: Without dead ends: 1404 [2024-11-24 01:03:20,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 143 ImplicationChecksByTransitivity, 17.1s TimeCoverageRelationStatistics Valid=67, Invalid=437, Unknown=2, NotChecked=0, Total=506 [2024-11-24 01:03:20,034 INFO L435 NwaCegarLoop]: 213 mSDtfsCounter, 139 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 112 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 703 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 112 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2024-11-24 01:03:20,034 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 703 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 112 Invalid, 0 Unknown, 0 Unchecked, 5.6s Time] [2024-11-24 01:03:20,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1404 states. [2024-11-24 01:03:20,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1404 to 1396. [2024-11-24 01:03:20,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1396 states, 1051 states have (on average 1.1236917221693625) internal successors, (1181), 1077 states have internal predecessors, (1181), 238 states have call successors, (238), 106 states have call predecessors, (238), 106 states have return successors, (238), 212 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-24 01:03:20,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1396 states to 1396 states and 1657 transitions. [2024-11-24 01:03:20,494 INFO L78 Accepts]: Start accepts. Automaton has 1396 states and 1657 transitions. Word has length 135 [2024-11-24 01:03:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:03:20,495 INFO L471 AbstractCegarLoop]: Abstraction has 1396 states and 1657 transitions. [2024-11-24 01:03:20,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.333333333333334) internal successors, (68), 6 states have internal predecessors, (68), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:03:20,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1396 states and 1657 transitions. [2024-11-24 01:03:20,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:03:20,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:03:20,497 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:03:20,507 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (41)] Ended with exit code 0 [2024-11-24 01:03:20,697 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:03:20,697 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:03:20,698 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:03:20,698 INFO L85 PathProgramCache]: Analyzing trace with hash -561277802, now seen corresponding path program 1 times [2024-11-24 01:03:20,698 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:03:20,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2087358201] [2024-11-24 01:03:20,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:03:20,699 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 [2024-11-24 01:03:20,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:03:20,701 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:03:20,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (42)] Waiting until timeout for monitored process [2024-11-24 01:03:21,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:03:21,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:03:21,520 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:03:36,307 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-24 01:03:37,763 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-24 01:03:40,012 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 29 proven. 178 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-24 01:03:40,012 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:03:48,763 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:03:48,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:03:48,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2087358201] [2024-11-24 01:03:48,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2087358201] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:03:48,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:03:48,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [21] total 27 [2024-11-24 01:03:48,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [500595042] [2024-11-24 01:03:48,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:03:48,764 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:03:48,764 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:03:48,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:03:48,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=620, Unknown=0, NotChecked=0, Total=702 [2024-11-24 01:03:48,764 INFO L87 Difference]: Start difference. First operand 1396 states and 1657 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:03:59,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:03:59,245 INFO L93 Difference]: Finished difference Result 2691 states and 3174 transitions. [2024-11-24 01:03:59,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:03:59,252 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-24 01:03:59,252 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:03:59,258 INFO L225 Difference]: With dead ends: 2691 [2024-11-24 01:03:59,258 INFO L226 Difference]: Without dead ends: 1496 [2024-11-24 01:03:59,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 228 ImplicationChecksByTransitivity, 16.8s TimeCoverageRelationStatistics Valid=107, Invalid=763, Unknown=0, NotChecked=0, Total=870 [2024-11-24 01:03:59,261 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 64 mSDsluCounter, 474 mSDsCounter, 0 mSdLazyCounter, 131 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 633 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 131 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:03:59,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 633 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 131 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2024-11-24 01:03:59,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1496 states. [2024-11-24 01:03:59,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1496 to 1452. [2024-11-24 01:03:59,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1452 states, 1107 states have (on average 1.123757904245709) internal successors, (1244), 1133 states have internal predecessors, (1244), 238 states have call successors, (238), 106 states have call predecessors, (238), 106 states have return successors, (238), 212 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-24 01:03:59,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1452 states and 1720 transitions. [2024-11-24 01:03:59,562 INFO L78 Accepts]: Start accepts. Automaton has 1452 states and 1720 transitions. Word has length 136 [2024-11-24 01:03:59,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:03:59,563 INFO L471 AbstractCegarLoop]: Abstraction has 1452 states and 1720 transitions. [2024-11-24 01:03:59,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:03:59,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1452 states and 1720 transitions. [2024-11-24 01:03:59,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:03:59,564 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:03:59,564 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:03:59,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (42)] Ended with exit code 0 [2024-11-24 01:03:59,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:03:59,764 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:03:59,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:03:59,765 INFO L85 PathProgramCache]: Analyzing trace with hash -819443240, now seen corresponding path program 1 times [2024-11-24 01:03:59,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:03:59,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1112291816] [2024-11-24 01:03:59,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:03:59,765 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 [2024-11-24 01:03:59,765 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:03:59,767 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:03:59,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (43)] Waiting until timeout for monitored process [2024-11-24 01:04:00,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:00,294 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-24 01:04:00,296 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:04:03,720 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2024-11-24 01:04:04,798 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 132 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2024-11-24 01:04:04,798 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:04:06,283 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:04:06,283 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:04:06,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1112291816] [2024-11-24 01:04:06,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1112291816] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:04:06,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:04:06,283 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [9] total 12 [2024-11-24 01:04:06,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235393714] [2024-11-24 01:04:06,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:06,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:04:06,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:04:06,284 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:04:06,284 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:04:06,285 INFO L87 Difference]: Start difference. First operand 1452 states and 1720 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:04:09,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:09,079 INFO L93 Difference]: Finished difference Result 3117 states and 3674 transitions. [2024-11-24 01:04:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:04:09,080 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-24 01:04:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:09,090 INFO L225 Difference]: With dead ends: 3117 [2024-11-24 01:04:09,091 INFO L226 Difference]: Without dead ends: 1866 [2024-11-24 01:04:09,093 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 275 GetRequests, 260 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=44, Invalid=228, Unknown=0, NotChecked=0, Total=272 [2024-11-24 01:04:09,094 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 84 mSDsluCounter, 1190 mSDsCounter, 0 mSdLazyCounter, 136 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 1412 SdHoareTripleChecker+Invalid, 138 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 136 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:09,094 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 1412 Invalid, 138 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 136 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-24 01:04:09,096 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1866 states. [2024-11-24 01:04:09,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1866 to 1454. [2024-11-24 01:04:09,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1454 states, 1109 states have (on average 1.1235347159603246) internal successors, (1246), 1135 states have internal predecessors, (1246), 238 states have call successors, (238), 106 states have call predecessors, (238), 106 states have return successors, (238), 212 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-24 01:04:09,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1454 states to 1454 states and 1722 transitions. [2024-11-24 01:04:09,471 INFO L78 Accepts]: Start accepts. Automaton has 1454 states and 1722 transitions. Word has length 136 [2024-11-24 01:04:09,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:09,471 INFO L471 AbstractCegarLoop]: Abstraction has 1454 states and 1722 transitions. [2024-11-24 01:04:09,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:04:09,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1454 states and 1722 transitions. [2024-11-24 01:04:09,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:04:09,472 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:09,472 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:09,479 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (43)] Ended with exit code 0 [2024-11-24 01:04:09,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:04:09,673 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:09,673 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:09,673 INFO L85 PathProgramCache]: Analyzing trace with hash -1070750892, now seen corresponding path program 1 times [2024-11-24 01:04:09,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:04:09,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047480511] [2024-11-24 01:04:09,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:09,674 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 [2024-11-24 01:04:09,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:04:09,675 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:04:09,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (44)] Waiting until timeout for monitored process [2024-11-24 01:04:10,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:10,203 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-24 01:04:10,205 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:04:10,228 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2024-11-24 01:04:11,189 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:04:11,190 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:04:11,190 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:04:11,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047480511] [2024-11-24 01:04:11,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047480511] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:04:11,190 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:04:11,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-24 01:04:11,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441494516] [2024-11-24 01:04:11,190 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:11,190 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-24 01:04:11,190 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:04:11,191 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-24 01:04:11,191 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-24 01:04:11,191 INFO L87 Difference]: Start difference. First operand 1454 states and 1722 transitions. Second operand has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:04:13,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:13,818 INFO L93 Difference]: Finished difference Result 3021 states and 3558 transitions. [2024-11-24 01:04:13,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-24 01:04:13,819 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-24 01:04:13,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:13,826 INFO L225 Difference]: With dead ends: 3021 [2024-11-24 01:04:13,826 INFO L226 Difference]: Without dead ends: 1768 [2024-11-24 01:04:13,829 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:04:13,829 INFO L435 NwaCegarLoop]: 211 mSDtfsCounter, 82 mSDsluCounter, 1129 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 1340 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.7s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:13,829 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 1340 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.7s Time] [2024-11-24 01:04:13,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1768 states. [2024-11-24 01:04:14,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1768 to 1456. [2024-11-24 01:04:14,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1456 states, 1111 states have (on average 1.1233123312331232) internal successors, (1248), 1137 states have internal predecessors, (1248), 238 states have call successors, (238), 106 states have call predecessors, (238), 106 states have return successors, (238), 212 states have call predecessors, (238), 238 states have call successors, (238) [2024-11-24 01:04:14,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1456 states to 1456 states and 1724 transitions. [2024-11-24 01:04:14,287 INFO L78 Accepts]: Start accepts. Automaton has 1456 states and 1724 transitions. Word has length 136 [2024-11-24 01:04:14,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:14,288 INFO L471 AbstractCegarLoop]: Abstraction has 1456 states and 1724 transitions. [2024-11-24 01:04:14,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.625) internal successors, (69), 8 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:04:14,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1724 transitions. [2024-11-24 01:04:14,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 01:04:14,290 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:04:14,290 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:14,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (44)] Ended with exit code 0 [2024-11-24 01:04:14,490 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 44 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:04:14,491 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:04:14,491 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:04:14,491 INFO L85 PathProgramCache]: Analyzing trace with hash -1328916330, now seen corresponding path program 1 times [2024-11-24 01:04:14,492 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:04:14,492 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [95255337] [2024-11-24 01:04:14,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:04:14,492 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 [2024-11-24 01:04:14,492 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:04:14,494 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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) [2024-11-24 01:04:14,497 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (45)] Waiting until timeout for monitored process [2024-11-24 01:04:15,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:04:15,226 INFO L256 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 32 conjuncts are in the unsatisfiable core [2024-11-24 01:04:15,229 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:04:29,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 14 [2024-11-24 01:04:31,194 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 21 [2024-11-24 01:04:38,936 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 28 [2024-11-24 01:04:38,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2024-11-24 01:04:39,812 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 29 proven. 178 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-24 01:04:39,812 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-24 01:04:48,641 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2024-11-24 01:04:48,641 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:04:48,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [95255337] [2024-11-24 01:04:48,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [95255337] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-24 01:04:48,642 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:04:48,642 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [23] total 29 [2024-11-24 01:04:48,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190390506] [2024-11-24 01:04:48,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:04:48,642 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-24 01:04:48,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:04:48,643 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-24 01:04:48,644 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=718, Unknown=0, NotChecked=0, Total=812 [2024-11-24 01:04:48,644 INFO L87 Difference]: Start difference. First operand 1456 states and 1724 transitions. Second operand has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:04:58,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:04:58,526 INFO L93 Difference]: Finished difference Result 2711 states and 3193 transitions. [2024-11-24 01:04:58,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 01:04:58,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) Word has length 136 [2024-11-24 01:04:58,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:04:58,535 INFO L225 Difference]: With dead ends: 2711 [2024-11-24 01:04:58,535 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 01:04:58,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 273 GetRequests, 243 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 18.3s TimeCoverageRelationStatistics Valid=121, Invalid=871, Unknown=0, NotChecked=0, Total=992 [2024-11-24 01:04:58,538 INFO L435 NwaCegarLoop]: 156 mSDtfsCounter, 114 mSDsluCounter, 451 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:04:58,538 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 607 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 118 Invalid, 0 Unknown, 0 Unchecked, 5.3s Time] [2024-11-24 01:04:58,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 01:04:58,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 01:04:58,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 01:04:58,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 01:04:58,541 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2024-11-24 01:04:58,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:04:58,541 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 01:04:58,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 1 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 1 states have call predecessors, (14), 1 states have call successors, (14) [2024-11-24 01:04:58,541 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 01:04:58,541 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 01:04:58,544 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:04:58,557 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 (45)] Forceful destruction successful, exit code 0 [2024-11-24 01:04:58,745 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 45 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4cf7d440-b7df-4329-b841-ab395579848c/bin/uautomizer-verify-LYvppIcaGC/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 [2024-11-24 01:04:58,748 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:04:58,750 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.