./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1 --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 bafc608ae20cc3b925738467682f7a351eaf74a33c9f01487a05b7ea4884eee3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:37:24,494 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:37:24,554 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 07:37:24,559 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:37:24,560 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:37:24,582 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:37:24,582 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:37:24,583 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:37:24,583 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:37:24,583 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:37:24,583 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:37:24,583 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:37:24,584 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:37:24,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:37:24,584 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:37:24,585 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:37:24,585 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:37:24,586 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:37:24,586 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 07:37:24,586 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:37:24,587 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:37:24,587 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:37:24,587 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:37:24,587 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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1 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 -> bafc608ae20cc3b925738467682f7a351eaf74a33c9f01487a05b7ea4884eee3 [2024-12-02 07:37:24,835 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:37:24,842 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:37:24,845 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:37:24,846 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:37:24,846 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:37:24,848 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i [2024-12-02 07:37:27,433 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/05333a7b2/ce9be3846d594dc0be1429a093c81439/FLAG7ac0524aa [2024-12-02 07:37:27,655 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:37:27,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i [2024-12-02 07:37:27,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/05333a7b2/ce9be3846d594dc0be1429a093c81439/FLAG7ac0524aa [2024-12-02 07:37:28,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/05333a7b2/ce9be3846d594dc0be1429a093c81439 [2024-12-02 07:37:28,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:37:28,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:37:28,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:37:28,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:37:28,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:37:28,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15a5a335 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28, skipping insertion in model container [2024-12-02 07:37:28,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:37:28,193 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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i[916,929] [2024-12-02 07:37:28,264 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:37:28,274 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:37:28,282 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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i[916,929] [2024-12-02 07:37:28,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:37:28,340 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:37:28,341 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28 WrapperNode [2024-12-02 07:37:28,341 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:37:28,342 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:37:28,342 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:37:28,342 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:37:28,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,364 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,403 INFO L138 Inliner]: procedures = 29, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 498 [2024-12-02 07:37:28,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:37:28,404 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:37:28,405 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:37:28,405 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:37:28,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,420 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,439 INFO L175 MemorySlicer]: Split 141 memory accesses to 5 slices as follows [2, 22, 35, 9, 73]. 52 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 3, 5, 2, 9]. The 21 writes are split as follows [0, 3, 5, 2, 11]. [2024-12-02 07:37:28,440 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,440 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,463 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,465 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,471 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,474 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,477 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,483 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:37:28,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:37:28,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:37:28,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:37:28,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (1/1) ... [2024-12-02 07:37:28,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:37:28,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:37:28,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:37:28,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:37:28,554 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#2 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#3 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#4 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3 [2024-12-02 07:37:28,555 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#2 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#3 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#4 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4 [2024-12-02 07:37:28,556 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#2 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#3 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#4 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:37:28,557 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4 [2024-12-02 07:37:28,557 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:37:28,558 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:37:28,693 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:37:28,695 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:37:29,167 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 07:37:29,167 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:37:29,180 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:37:29,180 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:37:29,180 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:29 BoogieIcfgContainer [2024-12-02 07:37:29,180 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:37:29,183 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:37:29,183 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:37:29,188 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:37:29,188 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:37:28" (1/3) ... [2024-12-02 07:37:29,188 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5457ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:37:29, skipping insertion in model container [2024-12-02 07:37:29,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:37:28" (2/3) ... [2024-12-02 07:37:29,189 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a5457ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:37:29, skipping insertion in model container [2024-12-02 07:37:29,189 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:29" (3/3) ... [2024-12-02 07:37:29,190 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-38.i [2024-12-02 07:37:29,202 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:37:29,203 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-38.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:37:29,267 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:37:29,277 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;@11c4d2f3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:37:29,277 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:37:29,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 07:37:29,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:29,295 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:29,296 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:29,296 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:29,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:29,302 INFO L85 PathProgramCache]: Analyzing trace with hash 1484720315, now seen corresponding path program 1 times [2024-12-02 07:37:29,309 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:29,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052619679] [2024-12-02 07:37:29,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:29,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 07:37:29,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:29,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052619679] [2024-12-02 07:37:29,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052619679] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:37:29,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [182756408] [2024-12-02 07:37:29,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:29,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:37:29,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:37:29,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:37:29,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 07:37:29,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:29,904 INFO L256 TraceCheckSpWp]: Trace formula consists of 597 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:37:29,912 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:37:29,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 1058 trivial. 0 not checked. [2024-12-02 07:37:29,939 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:37:29,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [182756408] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:29,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:37:29,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 07:37:29,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625369982] [2024-12-02 07:37:29,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:29,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:37:29,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:29,968 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:37:29,968 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:37:29,971 INFO L87 Difference]: Start difference. First operand has 122 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 07:37:30,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:30,004 INFO L93 Difference]: Finished difference Result 237 states and 376 transitions. [2024-12-02 07:37:30,005 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:37:30,006 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2024-12-02 07:37:30,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:30,013 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:37:30,013 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 07:37:30,016 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:37:30,019 INFO L435 NwaCegarLoop]: 172 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, 172 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 [2024-12-02 07:37:30,020 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:37:30,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 07:37:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-12-02 07:37:30,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 07:37:30,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-12-02 07:37:30,057 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 184 [2024-12-02 07:37:30,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:30,057 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-12-02 07:37:30,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 34.5) internal successors, (69), 2 states have internal predecessors, (69), 2 states have call successors, (24), 2 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 07:37:30,058 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-12-02 07:37:30,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:30,061 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:30,061 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:30,068 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 07:37:30,262 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 07:37:30,262 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:30,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:30,263 INFO L85 PathProgramCache]: Analyzing trace with hash 1050794083, now seen corresponding path program 1 times [2024-12-02 07:37:30,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:30,263 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [199252574] [2024-12-02 07:37:30,263 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:30,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:30,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:31,062 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:31,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:31,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [199252574] [2024-12-02 07:37:31,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [199252574] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:31,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:31,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:37:31,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12821076] [2024-12-02 07:37:31,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:31,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:37:31,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:31,065 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:37:31,065 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:37:31,066 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:37:31,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:31,211 INFO L93 Difference]: Finished difference Result 268 states and 391 transitions. [2024-12-02 07:37:31,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:37:31,213 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 184 [2024-12-02 07:37:31,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:31,215 INFO L225 Difference]: With dead ends: 268 [2024-12-02 07:37:31,215 INFO L226 Difference]: Without dead ends: 153 [2024-12-02 07:37:31,216 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 [2024-12-02 07:37:31,217 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 48 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:31,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 622 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:37:31,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-12-02 07:37:31,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 121. [2024-12-02 07:37:31,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 07:37:31,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2024-12-02 07:37:31,231 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 175 transitions. Word has length 184 [2024-12-02 07:37:31,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:31,233 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 175 transitions. [2024-12-02 07:37:31,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:37:31,234 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 175 transitions. [2024-12-02 07:37:31,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:31,237 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:31,237 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:31,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 07:37:31,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:31,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:31,238 INFO L85 PathProgramCache]: Analyzing trace with hash -1250137949, now seen corresponding path program 1 times [2024-12-02 07:37:31,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:31,238 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300433763] [2024-12-02 07:37:31,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:31,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:31,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:35,691 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:35,691 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:35,691 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300433763] [2024-12-02 07:37:35,691 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300433763] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:35,691 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:35,691 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2024-12-02 07:37:35,692 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990138197] [2024-12-02 07:37:35,692 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:35,692 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-12-02 07:37:35,692 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:35,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-12-02 07:37:35,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=157, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:37:35,694 INFO L87 Difference]: Start difference. First operand 121 states and 175 transitions. Second operand has 14 states, 9 states have (on average 7.444444444444445) internal successors, (67), 14 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 07:37:37,941 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:37,941 INFO L93 Difference]: Finished difference Result 345 states and 501 transitions. [2024-12-02 07:37:37,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 07:37:37,942 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 9 states have (on average 7.444444444444445) internal successors, (67), 14 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 6 states have call successors, (24) Word has length 184 [2024-12-02 07:37:37,942 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:37,944 INFO L225 Difference]: With dead ends: 345 [2024-12-02 07:37:37,944 INFO L226 Difference]: Without dead ends: 227 [2024-12-02 07:37:37,945 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=37, Invalid=235, Unknown=0, NotChecked=0, Total=272 [2024-12-02 07:37:37,946 INFO L435 NwaCegarLoop]: 230 mSDtfsCounter, 135 mSDsluCounter, 2076 mSDsCounter, 0 mSdLazyCounter, 1011 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 2306 SdHoareTripleChecker+Invalid, 1017 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 1011 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.0s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:37,946 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 2306 Invalid, 1017 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 1011 Invalid, 0 Unknown, 0 Unchecked, 2.0s Time] [2024-12-02 07:37:37,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-12-02 07:37:37,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 224. [2024-12-02 07:37:37,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 179 states have (on average 1.3519553072625698) internal successors, (242), 180 states have internal predecessors, (242), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 07:37:37,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 326 transitions. [2024-12-02 07:37:37,979 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 326 transitions. Word has length 184 [2024-12-02 07:37:37,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:37,980 INFO L471 AbstractCegarLoop]: Abstraction has 224 states and 326 transitions. [2024-12-02 07:37:37,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 9 states have (on average 7.444444444444445) internal successors, (67), 14 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 07:37:37,980 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 326 transitions. [2024-12-02 07:37:37,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:37,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:37,983 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:37,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 07:37:37,983 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:37,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:37,984 INFO L85 PathProgramCache]: Analyzing trace with hash -1836943963, now seen corresponding path program 1 times [2024-12-02 07:37:37,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:37,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448138863] [2024-12-02 07:37:37,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:37,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:38,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:39,085 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:39,085 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:39,085 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448138863] [2024-12-02 07:37:39,085 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448138863] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:39,085 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:39,085 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-12-02 07:37:39,085 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065440233] [2024-12-02 07:37:39,085 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:39,086 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-12-02 07:37:39,086 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:39,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-12-02 07:37:39,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2024-12-02 07:37:39,087 INFO L87 Difference]: Start difference. First operand 224 states and 326 transitions. Second operand has 7 states, 5 states have (on average 13.4) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:37:39,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:39,473 INFO L93 Difference]: Finished difference Result 549 states and 800 transitions. [2024-12-02 07:37:39,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-12-02 07:37:39,474 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 5 states have (on average 13.4) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 3 states have call successors, (24) Word has length 184 [2024-12-02 07:37:39,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:39,478 INFO L225 Difference]: With dead ends: 549 [2024-12-02 07:37:39,478 INFO L226 Difference]: Without dead ends: 328 [2024-12-02 07:37:39,479 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2024-12-02 07:37:39,480 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 140 mSDsluCounter, 546 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:39,480 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 687 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-12-02 07:37:39,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 328 states. [2024-12-02 07:37:39,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 328 to 325. [2024-12-02 07:37:39,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 259 states have (on average 1.3474903474903475) internal successors, (349), 261 states have internal predecessors, (349), 62 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 07:37:39,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 473 transitions. [2024-12-02 07:37:39,524 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 473 transitions. Word has length 184 [2024-12-02 07:37:39,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:39,525 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 473 transitions. [2024-12-02 07:37:39,525 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 5 states have (on average 13.4) internal successors, (67), 7 states have internal predecessors, (67), 3 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:37:39,526 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 473 transitions. [2024-12-02 07:37:39,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:39,529 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:39,529 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:39,529 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 07:37:39,529 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:39,530 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:39,530 INFO L85 PathProgramCache]: Analyzing trace with hash -2067786399, now seen corresponding path program 1 times [2024-12-02 07:37:39,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:39,530 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [248735719] [2024-12-02 07:37:39,530 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:39,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:39,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:41,308 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:41,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:41,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [248735719] [2024-12-02 07:37:41,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [248735719] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:41,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:41,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-12-02 07:37:41,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876009650] [2024-12-02 07:37:41,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:41,309 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 07:37:41,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:41,310 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 07:37:41,310 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-12-02 07:37:41,310 INFO L87 Difference]: Start difference. First operand 325 states and 473 transitions. Second operand has 12 states, 7 states have (on average 9.571428571428571) internal successors, (67), 12 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 07:37:42,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:42,189 INFO L93 Difference]: Finished difference Result 711 states and 1035 transitions. [2024-12-02 07:37:42,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-12-02 07:37:42,190 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 7 states have (on average 9.571428571428571) internal successors, (67), 12 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 6 states have call successors, (24) Word has length 184 [2024-12-02 07:37:42,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:42,193 INFO L225 Difference]: With dead ends: 711 [2024-12-02 07:37:42,193 INFO L226 Difference]: Without dead ends: 389 [2024-12-02 07:37:42,194 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:37:42,195 INFO L435 NwaCegarLoop]: 266 mSDtfsCounter, 132 mSDsluCounter, 1982 mSDsCounter, 0 mSdLazyCounter, 864 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 137 SdHoareTripleChecker+Valid, 2248 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 864 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:42,195 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [137 Valid, 2248 Invalid, 870 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 864 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:37:42,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 389 states. [2024-12-02 07:37:42,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 389 to 287. [2024-12-02 07:37:42,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 221 states have (on average 1.330316742081448) internal successors, (294), 223 states have internal predecessors, (294), 62 states have call successors, (62), 3 states have call predecessors, (62), 3 states have return successors, (62), 60 states have call predecessors, (62), 62 states have call successors, (62) [2024-12-02 07:37:42,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 418 transitions. [2024-12-02 07:37:42,233 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 418 transitions. Word has length 184 [2024-12-02 07:37:42,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:42,234 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 418 transitions. [2024-12-02 07:37:42,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 7 states have (on average 9.571428571428571) internal successors, (67), 12 states have internal predecessors, (67), 6 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 6 states have call successors, (24) [2024-12-02 07:37:42,234 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 418 transitions. [2024-12-02 07:37:42,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:42,235 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:42,235 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:42,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 07:37:42,236 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:42,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:42,236 INFO L85 PathProgramCache]: Analyzing trace with hash -1031283231, now seen corresponding path program 1 times [2024-12-02 07:37:42,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:42,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966098809] [2024-12-02 07:37:42,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:42,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:42,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:43,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:43,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966098809] [2024-12-02 07:37:43,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966098809] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:43,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:43,149 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:37:43,149 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917465419] [2024-12-02 07:37:43,149 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:43,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:37:43,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:43,150 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:37:43,150 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:37:43,150 INFO L87 Difference]: Start difference. First operand 287 states and 418 transitions. Second operand has 9 states, 6 states have (on average 11.166666666666666) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 07:37:43,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:43,790 INFO L93 Difference]: Finished difference Result 521 states and 751 transitions. [2024-12-02 07:37:43,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:37:43,791 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 6 states have (on average 11.166666666666666) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) Word has length 184 [2024-12-02 07:37:43,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:43,794 INFO L225 Difference]: With dead ends: 521 [2024-12-02 07:37:43,794 INFO L226 Difference]: Without dead ends: 294 [2024-12-02 07:37:43,795 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:37:43,796 INFO L435 NwaCegarLoop]: 259 mSDtfsCounter, 138 mSDsluCounter, 1317 mSDsCounter, 0 mSdLazyCounter, 621 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 1576 SdHoareTripleChecker+Invalid, 628 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 621 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:43,796 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 1576 Invalid, 628 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 621 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-12-02 07:37:43,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2024-12-02 07:37:43,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 226. [2024-12-02 07:37:43,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 180 states have (on average 1.3333333333333333) internal successors, (240), 181 states have internal predecessors, (240), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 07:37:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 324 transitions. [2024-12-02 07:37:43,829 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 324 transitions. Word has length 184 [2024-12-02 07:37:43,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:43,830 INFO L471 AbstractCegarLoop]: Abstraction has 226 states and 324 transitions. [2024-12-02 07:37:43,830 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 6 states have (on average 11.166666666666666) internal successors, (67), 9 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 07:37:43,830 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 324 transitions. [2024-12-02 07:37:43,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:37:43,831 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:43,831 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:43,832 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 07:37:43,832 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:43,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:43,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1618089245, now seen corresponding path program 1 times [2024-12-02 07:37:43,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:43,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434888543] [2024-12-02 07:37:43,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:43,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:45,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:45,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:45,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434888543] [2024-12-02 07:37:45,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434888543] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:45,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:45,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 07:37:45,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530108994] [2024-12-02 07:37:45,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:45,282 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-12-02 07:37:45,282 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:45,283 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-12-02 07:37:45,283 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=91, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:37:45,283 INFO L87 Difference]: Start difference. First operand 226 states and 324 transitions. Second operand has 11 states, 8 states have (on average 8.375) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 07:37:45,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:45,925 INFO L93 Difference]: Finished difference Result 513 states and 737 transitions. [2024-12-02 07:37:45,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-12-02 07:37:45,925 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) Word has length 184 [2024-12-02 07:37:45,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:45,928 INFO L225 Difference]: With dead ends: 513 [2024-12-02 07:37:45,928 INFO L226 Difference]: Without dead ends: 290 [2024-12-02 07:37:45,929 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-12-02 07:37:45,929 INFO L435 NwaCegarLoop]: 286 mSDtfsCounter, 132 mSDsluCounter, 1896 mSDsCounter, 0 mSdLazyCounter, 822 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 2182 SdHoareTripleChecker+Invalid, 828 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 822 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:45,930 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 2182 Invalid, 828 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 822 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:37:45,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2024-12-02 07:37:45,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 201. [2024-12-02 07:37:45,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 155 states have (on average 1.3096774193548386) internal successors, (203), 156 states have internal predecessors, (203), 42 states have call successors, (42), 3 states have call predecessors, (42), 3 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 07:37:45,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 287 transitions. [2024-12-02 07:37:45,964 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 287 transitions. Word has length 184 [2024-12-02 07:37:45,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:45,964 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 287 transitions. [2024-12-02 07:37:45,964 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 8.375) internal successors, (67), 11 states have internal predecessors, (67), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 07:37:45,964 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 287 transitions. [2024-12-02 07:37:45,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:37:45,966 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:45,966 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:45,966 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-12-02 07:37:45,967 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:45,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:45,967 INFO L85 PathProgramCache]: Analyzing trace with hash 1729973726, now seen corresponding path program 1 times [2024-12-02 07:37:45,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:45,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1702161230] [2024-12-02 07:37:45,967 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:45,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:46,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:49,233 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:49,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:49,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1702161230] [2024-12-02 07:37:49,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1702161230] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:49,233 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:49,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-12-02 07:37:49,233 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [362271818] [2024-12-02 07:37:49,234 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:49,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-12-02 07:37:49,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:49,235 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-12-02 07:37:49,235 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=179, Unknown=0, NotChecked=0, Total=210 [2024-12-02 07:37:49,235 INFO L87 Difference]: Start difference. First operand 201 states and 287 transitions. Second operand has 15 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 15 states have internal predecessors, (69), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 07:37:51,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:51,008 INFO L93 Difference]: Finished difference Result 539 states and 760 transitions. [2024-12-02 07:37:51,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 07:37:51,009 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 15 states have internal predecessors, (69), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 5 states have call successors, (24) Word has length 186 [2024-12-02 07:37:51,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:51,011 INFO L225 Difference]: With dead ends: 539 [2024-12-02 07:37:51,011 INFO L226 Difference]: Without dead ends: 398 [2024-12-02 07:37:51,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 11 SyntacticMatches, 2 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=478, Unknown=0, NotChecked=0, Total=552 [2024-12-02 07:37:51,012 INFO L435 NwaCegarLoop]: 198 mSDtfsCounter, 252 mSDsluCounter, 1812 mSDsCounter, 0 mSdLazyCounter, 1180 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 2010 SdHoareTripleChecker+Invalid, 1200 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1180 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:51,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 2010 Invalid, 1200 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1180 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-12-02 07:37:51,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-12-02 07:37:51,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 392. [2024-12-02 07:37:51,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 310 states have (on average 1.3161290322580645) internal successors, (408), 313 states have internal predecessors, (408), 74 states have call successors, (74), 7 states have call predecessors, (74), 7 states have return successors, (74), 71 states have call predecessors, (74), 74 states have call successors, (74) [2024-12-02 07:37:51,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 556 transitions. [2024-12-02 07:37:51,075 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 556 transitions. Word has length 186 [2024-12-02 07:37:51,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:51,076 INFO L471 AbstractCegarLoop]: Abstraction has 392 states and 556 transitions. [2024-12-02 07:37:51,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 11 states have (on average 6.2727272727272725) internal successors, (69), 15 states have internal predecessors, (69), 5 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 5 states have call successors, (24) [2024-12-02 07:37:51,076 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 556 transitions. [2024-12-02 07:37:51,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:37:51,077 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:51,077 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:51,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-12-02 07:37:51,078 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:51,078 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash 1049915356, now seen corresponding path program 1 times [2024-12-02 07:37:51,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:51,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357231872] [2024-12-02 07:37:51,078 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:51,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:51,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:52,217 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 114 proven. 18 refuted. 0 times theorem prover too weak. 972 trivial. 0 not checked. [2024-12-02 07:37:52,217 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:52,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357231872] [2024-12-02 07:37:52,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357231872] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:37:52,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [88473906] [2024-12-02 07:37:52,217 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:52,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 07:37:52,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:37:52,219 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 07:37:52,220 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-12-02 07:37:52,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:52,508 INFO L256 TraceCheckSpWp]: Trace formula consists of 611 conjuncts, 39 conjuncts are in the unsatisfiable core [2024-12-02 07:37:52,515 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:37:52,544 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:37:52,545 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 19 treesize of output 7 [2024-12-02 07:37:52,580 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:37:52,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:37:52,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 44 [2024-12-02 07:37:52,929 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 383 proven. 12 refuted. 0 times theorem prover too weak. 709 trivial. 0 not checked. [2024-12-02 07:37:52,929 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:37:53,413 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 120 proven. 15 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-12-02 07:37:53,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [88473906] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:37:53,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:37:53,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 11] total 27 [2024-12-02 07:37:53,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1730387075] [2024-12-02 07:37:53,414 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:37:53,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2024-12-02 07:37:53,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:53,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2024-12-02 07:37:53,416 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=580, Unknown=0, NotChecked=0, Total=702 [2024-12-02 07:37:53,416 INFO L87 Difference]: Start difference. First operand 392 states and 556 transitions. Second operand has 27 states, 20 states have (on average 5.2) internal successors, (104), 27 states have internal predecessors, (104), 12 states have call successors, (33), 3 states have call predecessors, (33), 7 states have return successors, (33), 5 states have call predecessors, (33), 12 states have call successors, (33) [2024-12-02 07:37:54,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:54,951 INFO L93 Difference]: Finished difference Result 669 states and 926 transitions. [2024-12-02 07:37:54,952 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-12-02 07:37:54,952 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 20 states have (on average 5.2) internal successors, (104), 27 states have internal predecessors, (104), 12 states have call successors, (33), 3 states have call predecessors, (33), 7 states have return successors, (33), 5 states have call predecessors, (33), 12 states have call successors, (33) Word has length 186 [2024-12-02 07:37:54,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:54,954 INFO L225 Difference]: With dead ends: 669 [2024-12-02 07:37:54,954 INFO L226 Difference]: Without dead ends: 337 [2024-12-02 07:37:54,955 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 413 GetRequests, 365 SyntacticMatches, 2 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 421 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=439, Invalid=1817, Unknown=0, NotChecked=0, Total=2256 [2024-12-02 07:37:54,955 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 709 mSDsluCounter, 1146 mSDsCounter, 0 mSdLazyCounter, 1134 mSolverCounterSat, 326 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 711 SdHoareTripleChecker+Valid, 1257 SdHoareTripleChecker+Invalid, 1460 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 326 IncrementalHoareTripleChecker+Valid, 1134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:54,955 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [711 Valid, 1257 Invalid, 1460 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [326 Valid, 1134 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-12-02 07:37:54,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 337 states. [2024-12-02 07:37:55,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 337 to 264. [2024-12-02 07:37:55,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 264 states, 208 states have (on average 1.2740384615384615) internal successors, (265), 209 states have internal predecessors, (265), 46 states have call successors, (46), 9 states have call predecessors, (46), 9 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 07:37:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 357 transitions. [2024-12-02 07:37:55,032 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 357 transitions. Word has length 186 [2024-12-02 07:37:55,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:55,033 INFO L471 AbstractCegarLoop]: Abstraction has 264 states and 357 transitions. [2024-12-02 07:37:55,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 20 states have (on average 5.2) internal successors, (104), 27 states have internal predecessors, (104), 12 states have call successors, (33), 3 states have call predecessors, (33), 7 states have return successors, (33), 5 states have call predecessors, (33), 12 states have call successors, (33) [2024-12-02 07:37:55,033 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 357 transitions. [2024-12-02 07:37:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:37:55,035 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:55,035 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:55,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-12-02 07:37:55,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2024-12-02 07:37:55,235 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:55,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:55,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1948828444, now seen corresponding path program 1 times [2024-12-02 07:37:55,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:55,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966097535] [2024-12-02 07:37:55,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:55,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:55,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:37:56,468 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:37:56,468 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 07:37:56,468 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966097535] [2024-12-02 07:37:56,468 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [966097535] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:37:56,469 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:37:56,469 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [13] imperfect sequences [] total 13 [2024-12-02 07:37:56,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339568532] [2024-12-02 07:37:56,469 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:37:56,469 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-12-02 07:37:56,469 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 07:37:56,470 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-12-02 07:37:56,470 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=133, Unknown=0, NotChecked=0, Total=156 [2024-12-02 07:37:56,470 INFO L87 Difference]: Start difference. First operand 264 states and 357 transitions. Second operand has 13 states, 10 states have (on average 6.9) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 07:37:57,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:37:57,397 INFO L93 Difference]: Finished difference Result 583 states and 797 transitions. [2024-12-02 07:37:57,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-12-02 07:37:57,398 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) Word has length 186 [2024-12-02 07:37:57,398 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:37:57,399 INFO L225 Difference]: With dead ends: 583 [2024-12-02 07:37:57,399 INFO L226 Difference]: Without dead ends: 322 [2024-12-02 07:37:57,400 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:37:57,400 INFO L435 NwaCegarLoop]: 118 mSDtfsCounter, 256 mSDsluCounter, 1084 mSDsCounter, 0 mSdLazyCounter, 889 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 259 SdHoareTripleChecker+Valid, 1202 SdHoareTripleChecker+Invalid, 947 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 889 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-12-02 07:37:57,401 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [259 Valid, 1202 Invalid, 947 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 889 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-12-02 07:37:57,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 322 states. [2024-12-02 07:37:57,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 322 to 261. [2024-12-02 07:37:57,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 261 states, 205 states have (on average 1.2682926829268293) internal successors, (260), 206 states have internal predecessors, (260), 46 states have call successors, (46), 9 states have call predecessors, (46), 9 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2024-12-02 07:37:57,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 261 states and 352 transitions. [2024-12-02 07:37:57,473 INFO L78 Accepts]: Start accepts. Automaton has 261 states and 352 transitions. Word has length 186 [2024-12-02 07:37:57,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:37:57,474 INFO L471 AbstractCegarLoop]: Abstraction has 261 states and 352 transitions. [2024-12-02 07:37:57,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 10 states have (on average 6.9) internal successors, (69), 13 states have internal predecessors, (69), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 4 states have call successors, (24) [2024-12-02 07:37:57,474 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 352 transitions. [2024-12-02 07:37:57,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:37:57,475 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:37:57,476 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:57,476 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-12-02 07:37:57,476 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:37:57,477 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:37:57,477 INFO L85 PathProgramCache]: Analyzing trace with hash 1526935512, now seen corresponding path program 1 times [2024-12-02 07:37:57,477 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 07:37:57,477 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793495089] [2024-12-02 07:37:57,477 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:37:57,477 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 07:37:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:37:57,599 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 07:37:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 07:37:57,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 07:37:57,757 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 07:37:57,758 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 07:37:57,760 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-12-02 07:37:57,763 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:37:57,831 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 07:37:57,834 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:37:57 BoogieIcfgContainer [2024-12-02 07:37:57,834 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 07:37:57,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 07:37:57,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 07:37:57,835 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 07:37:57,836 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:37:29" (3/4) ... [2024-12-02 07:37:57,838 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 07:37:57,838 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 07:37:57,839 INFO L158 Benchmark]: Toolchain (without parser) took 29809.95ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 117.0MB in the beginning and 49.5MB in the end (delta: 67.6MB). Peak memory consumption was 94.6MB. Max. memory is 16.1GB. [2024-12-02 07:37:57,839 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:37:57,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.40ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 101.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 07:37:57,840 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.76ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:37:57,840 INFO L158 Benchmark]: Boogie Preprocessor took 79.30ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 91.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 07:37:57,840 INFO L158 Benchmark]: RCFGBuilder took 695.98ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 56.9MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-02 07:37:57,840 INFO L158 Benchmark]: TraceAbstraction took 28651.12ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 49.5MB in the end (delta: 6.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. [2024-12-02 07:37:57,841 INFO L158 Benchmark]: Witness Printer took 3.68ms. Allocated memory is still 167.8MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 14.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 07:37:57,842 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 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.40ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 101.0MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.76ms. Allocated memory is still 142.6MB. Free memory was 100.7MB in the beginning and 96.6MB in the end (delta: 4.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 79.30ms. Allocated memory is still 142.6MB. Free memory was 96.6MB in the beginning and 91.2MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 695.98ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 56.9MB in the end (delta: 34.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * TraceAbstraction took 28651.12ms. Allocated memory was 142.6MB in the beginning and 167.8MB in the end (delta: 25.2MB). Free memory was 56.4MB in the beginning and 49.5MB in the end (delta: 6.9MB). Peak memory consumption was 35.9MB. Max. memory is 16.1GB. * Witness Printer took 3.68ms. Allocated memory is still 167.8MB. Free memory was 49.5MB in the beginning and 49.5MB in the end (delta: 14.1kB). 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 someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 74, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of someBinaryDOUBLEComparisonOperation at line 68, overapproximation of someBinaryDOUBLEComparisonOperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryDOUBLEComparisonOperation at line 68. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 1 }; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[3] = { 0, 0, 1 }; [L25-L27] double double_Array_0[5] = { 32.71, 31.2, 0.4, 7.25, 7.75 }; [L25-L27] double double_Array_0[5] = { 32.71, 31.2, 0.4, 7.25, 7.75 }; [L25-L27] double double_Array_0[5] = { 32.71, 31.2, 0.4, 7.25, 7.75 }; [L25-L27] double double_Array_0[5] = { 32.71, 31.2, 0.4, 7.25, 7.75 }; [L25-L27] double double_Array_0[5] = { 32.71, 31.2, 0.4, 7.25, 7.75 }; [L25-L27] double double_Array_0[5] = { 32.71, 31.2, 0.4, 7.25, 7.75 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2] = { 1771558822, 16 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2] = { 1771558822, 16 }; [L28-L30] unsigned long int unsigned_long_int_Array_0[2] = { 1771558822, 16 }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; [L31-L33] unsigned short int unsigned_short_int_Array_0[3][3] = { {32, 20114, 52902}, {16773, 32, 56507}, {25, 8, 0} }; VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=0, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L104] isInitial = 1 [L105] FCALL initially() [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L58] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L59] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L59] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L59] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L60] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L60] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L60] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L61] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L62] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L62] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L62] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L63] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L64] BOOL_unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L65] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L65] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L65] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] EXPR BOOL_unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L67] double_Array_0[0] = __VERIFIER_nondet_double() [L68] EXPR double_Array_0[0] [L68] EXPR double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] EXPR double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F [L68] EXPR double_Array_0[0] [L68] EXPR double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] EXPR (double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] EXPR (double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] CALL assume_abort_if_not((double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L68] RET assume_abort_if_not((double_Array_0[0] >= -230584.3009213691390e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 2305843.009213691390e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L69] double_Array_0[1] = __VERIFIER_nondet_double() [L70] EXPR double_Array_0[1] [L70] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F [L70] EXPR double_Array_0[1] [L70] EXPR double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] EXPR (double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] CALL assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L70] RET assume_abort_if_not((double_Array_0[1] >= -461168.6018427382800e+13F && double_Array_0[1] <= -1.0e-20F) || (double_Array_0[1] <= 4611686.018427382800e+12F && double_Array_0[1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L71] double_Array_0[2] = __VERIFIER_nondet_double() [L72] EXPR double_Array_0[2] [L72] EXPR double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] EXPR double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F [L72] EXPR double_Array_0[2] [L72] EXPR double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] EXPR (double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 1152921.504606845700e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] EXPR (double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 1152921.504606845700e+12F && double_Array_0[2] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] CALL assume_abort_if_not((double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 1152921.504606845700e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L72] RET assume_abort_if_not((double_Array_0[2] >= -115292.1504606845700e+13F && double_Array_0[2] <= -1.0e-20F) || (double_Array_0[2] <= 1152921.504606845700e+12F && double_Array_0[2] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L73] double_Array_0[4] = __VERIFIER_nondet_double() [L74] EXPR double_Array_0[4] [L74] EXPR double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F [L74] EXPR double_Array_0[4] [L74] EXPR double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR (double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 1152921.504606845700e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] EXPR (double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 1152921.504606845700e+12F && double_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] CALL assume_abort_if_not((double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 1152921.504606845700e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L74] RET assume_abort_if_not((double_Array_0[4] >= -115292.1504606845700e+13F && double_Array_0[4] <= -1.0e-20F) || (double_Array_0[4] <= 1152921.504606845700e+12F && double_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L75] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L76] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 1610612735) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L76] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 1610612735) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L77] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 2147483647) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L78] unsigned_short_int_Array_0[1][0] = __VERIFIER_nondet_ushort() [L79] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 16384) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L79] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] >= 16384) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] EXPR unsigned_short_int_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L80] RET assume_abort_if_not(unsigned_short_int_Array_0[1][0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L81] unsigned_short_int_Array_0[0][1] = __VERIFIER_nondet_ushort() [L82] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L82] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] >= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] EXPR unsigned_short_int_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L83] RET assume_abort_if_not(unsigned_short_int_Array_0[0][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L84] unsigned_short_int_Array_0[1][1] = __VERIFIER_nondet_ushort() [L85] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L85] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] EXPR unsigned_short_int_Array_0[1][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L86] RET assume_abort_if_not(unsigned_short_int_Array_0[1][1] <= 16383) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L87] unsigned_short_int_Array_0[2][1] = __VERIFIER_nondet_ushort() [L88] EXPR unsigned_short_int_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L88] CALL assume_abort_if_not(unsigned_short_int_Array_0[2][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L88] RET assume_abort_if_not(unsigned_short_int_Array_0[2][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L89] EXPR unsigned_short_int_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L89] CALL assume_abort_if_not(unsigned_short_int_Array_0[2][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L89] RET assume_abort_if_not(unsigned_short_int_Array_0[2][1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L90] unsigned_short_int_Array_0[0][2] = __VERIFIER_nondet_ushort() [L91] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][2] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L91] RET assume_abort_if_not(unsigned_short_int_Array_0[0][2] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] CALL assume_abort_if_not(unsigned_short_int_Array_0[0][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L92] RET assume_abort_if_not(unsigned_short_int_Array_0[0][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L93] unsigned_short_int_Array_0[1][2] = __VERIFIER_nondet_ushort() [L94] EXPR unsigned_short_int_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L94] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][2] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L94] RET assume_abort_if_not(unsigned_short_int_Array_0[1][2] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L95] EXPR unsigned_short_int_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L95] CALL assume_abort_if_not(unsigned_short_int_Array_0[1][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L20] COND FALSE !(!cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L95] RET assume_abort_if_not(unsigned_short_int_Array_0[1][2] <= 65534) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L108] RET updateVariables() [L109] CALL step() [L37] EXPR unsigned_short_int_Array_0[1][2] [L37] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L37] EXPR ((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]) [L37] EXPR unsigned_short_int_Array_0[1][2] [L37] EXPR ((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L37] EXPR unsigned_short_int_Array_0[2][1] [L37] unsigned_short_int_Array_0[2][2] = (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]) [L38] EXPR unsigned_short_int_Array_0[1][2] [L38] unsigned short int stepLocal_0 = unsigned_short_int_Array_0[1][2]; [L39] EXPR unsigned_short_int_Array_0[2][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L39] COND FALSE !(unsigned_short_int_Array_0[2][1] > stepLocal_0) [L42] EXPR double_Array_0[1] [L42] EXPR double_Array_0[0] [L42] EXPR double_Array_0[2] [L42] EXPR double_Array_0[4] [L42] double_Array_0[3] = (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4]))) [L43] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L43] COND TRUE ! BOOL_unsigned_char_Array_0[0] [L44] EXPR unsigned_short_int_Array_0[0][2] [L44] EXPR unsigned_short_int_Array_0[0][1] [L44] EXPR unsigned_short_int_Array_0[1][1] [L44] unsigned_short_int_Array_0[0][0] = (unsigned_short_int_Array_0[0][2] - (unsigned_short_int_Array_0[0][1] - unsigned_short_int_Array_0[1][1])) [L52] EXPR BOOL_unsigned_char_Array_0[2] [L52] unsigned char stepLocal_1 = BOOL_unsigned_char_Array_0[2]; [L53] EXPR BOOL_unsigned_char_Array_0[0] [L53] EXPR BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, stepLocal_1=256, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L53] EXPR BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L53] COND FALSE !((BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]) && stepLocal_1) [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR unsigned_short_int_Array_0[2][2] [L100] EXPR unsigned_short_int_Array_0[1][2] [L100] EXPR unsigned_short_int_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR ((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]) [L100] EXPR unsigned_short_int_Array_0[1][2] [L100] EXPR ((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR unsigned_short_int_Array_0[2][1] [L100] EXPR (unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR (unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1) [L100] EXPR unsigned_short_int_Array_0[2][1] [L100] EXPR unsigned_short_int_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR (unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1 [L100] EXPR (unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1 VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR (unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR ((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR ((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4]))))) [L100] EXPR double_Array_0[3] [L100] EXPR double_Array_0[1] [L100] EXPR double_Array_0[0] [L100] EXPR double_Array_0[2] [L100] EXPR double_Array_0[4] [L100] EXPR ((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4]))))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR (((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) (unsigned_short_int_Array_0[0][2] - (unsigned_short_int_Array_0[0][1] - unsigned_short_int_Array_0[1][1])))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((27636 + unsigned_short_int_Array_0[1][0]) - (((((16853 - 10)) > (unsigned_short_int_Array_0[0][1])) ? ((16853 - 10)) : (unsigned_short_int_Array_0[0][1])))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR (((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) (unsigned_short_int_Array_0[0][2] - (unsigned_short_int_Array_0[0][1] - unsigned_short_int_Array_0[1][1])))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((27636 + unsigned_short_int_Array_0[1][0]) - (((((16853 - 10)) > (unsigned_short_int_Array_0[0][1])) ? ((16853 - 10)) : (unsigned_short_int_Array_0[0][1])))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2])))) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR ((((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) (unsigned_short_int_Array_0[0][2] - (unsigned_short_int_Array_0[0][1] - unsigned_short_int_Array_0[1][1])))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((27636 + unsigned_short_int_Array_0[1][0]) - (((((16853 - 10)) > (unsigned_short_int_Array_0[0][1])) ? ((16853 - 10)) : (unsigned_short_int_Array_0[0][1])))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))))) && (((BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]) && BOOL_unsigned_char_Array_0[2]) ? (unsigned_short_int_Array_0[2][0] == ((unsigned short int) (unsigned_short_int_Array_0[1][1] + unsigned_short_int_Array_0[0][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100] EXPR ((((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) (unsigned_short_int_Array_0[0][2] - (unsigned_short_int_Array_0[0][1] - unsigned_short_int_Array_0[1][1])))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((27636 + unsigned_short_int_Array_0[1][0]) - (((((16853 - 10)) > (unsigned_short_int_Array_0[0][1])) ? ((16853 - 10)) : (unsigned_short_int_Array_0[0][1])))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))))) && (((BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]) && BOOL_unsigned_char_Array_0[2]) ? (unsigned_short_int_Array_0[2][0] == ((unsigned short int) (unsigned_short_int_Array_0[1][1] + unsigned_short_int_Array_0[0][1]))) : 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L100-L101] return ((((unsigned_short_int_Array_0[2][2] == ((unsigned short int) (((((unsigned_short_int_Array_0[1][2]) > (unsigned_short_int_Array_0[0][2])) ? (unsigned_short_int_Array_0[1][2]) : (unsigned_short_int_Array_0[0][2]))) - unsigned_short_int_Array_0[2][1]))) && ((unsigned_short_int_Array_0[2][1] > unsigned_short_int_Array_0[1][2]) ? (unsigned_long_int_Array_0[1] == ((unsigned long int) (((unsigned_long_int_Array_0[0] - unsigned_short_int_Array_0[0][2]) + 2144048120u) - unsigned_short_int_Array_0[1][2]))) : 1)) && (double_Array_0[3] == ((double) (double_Array_0[1] + (double_Array_0[0] + (double_Array_0[2] + double_Array_0[4])))))) && ((! BOOL_unsigned_char_Array_0[0]) ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) (unsigned_short_int_Array_0[0][2] - (unsigned_short_int_Array_0[0][1] - unsigned_short_int_Array_0[1][1])))) : (BOOL_unsigned_char_Array_0[0] ? (unsigned_short_int_Array_0[0][0] == ((unsigned short int) ((27636 + unsigned_short_int_Array_0[1][0]) - (((((16853 - 10)) > (unsigned_short_int_Array_0[0][1])) ? ((16853 - 10)) : (unsigned_short_int_Array_0[0][1])))))) : (unsigned_short_int_Array_0[0][0] == ((unsigned short int) unsigned_short_int_Array_0[0][2]))))) && (((BOOL_unsigned_char_Array_0[0] && BOOL_unsigned_char_Array_0[1]) && BOOL_unsigned_char_Array_0[2]) ? (unsigned_short_int_Array_0[2][0] == ((unsigned short int) (unsigned_short_int_Array_0[1][1] + unsigned_short_int_Array_0[0][1]))) : 1) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, unsigned_long_int_Array_0={6:0}, unsigned_short_int_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 122 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 28.5s, OverallIterations: 11, TraceHistogramMax: 24, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1969 SdHoareTripleChecker+Valid, 7.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1942 mSDsluCounter, 14262 SdHoareTripleChecker+Invalid, 6.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12320 mSDsCounter, 441 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6918 IncrementalHoareTripleChecker+Invalid, 7359 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 441 mSolverCounterUnsat, 1942 mSDtfsCounter, 6918 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 765 GetRequests, 616 SyntacticMatches, 6 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 501 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=392occurred in iteration=8, InterpolantAutomatonStates: 129, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 10 MinimizatonAttempts, 437 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 16.1s InterpolantComputationTime, 2402 NumberOfCodeBlocks, 2402 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2389 ConstructedInterpolants, 0 QuantifiedInterpolants, 8770 SizeOfPredicates, 3 NumberOfNonLiveVariables, 1208 ConjunctsInSsa, 40 ConjunctsInUnsatCore, 13 InterpolantComputations, 9 PerfectInterpolantSequences, 14261/14352 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 [2024-12-02 07:37:57,865 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1 --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 bafc608ae20cc3b925738467682f7a351eaf74a33c9f01487a05b7ea4884eee3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 07:37:59,711 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 07:37:59,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 07:37:59,795 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 07:37:59,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 07:37:59,816 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 07:37:59,816 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 07:37:59,816 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 07:37:59,817 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 07:37:59,817 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 07:37:59,817 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 07:37:59,817 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 07:37:59,817 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 07:37:59,817 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 07:37:59,817 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 07:37:59,818 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 07:37:59,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 07:37:59,819 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:37:59,819 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 07:37:59,819 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:37:59,820 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 07:37:59,820 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 07:37:59,820 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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1 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 -> bafc608ae20cc3b925738467682f7a351eaf74a33c9f01487a05b7ea4884eee3 [2024-12-02 07:38:00,038 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 07:38:00,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 07:38:00,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 07:38:00,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 07:38:00,049 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 07:38:00,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i [2024-12-02 07:38:02,770 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/541204840/e9a5a3af85394e618d6a86af7db933cf/FLAGaedc82df5 [2024-12-02 07:38:02,955 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 07:38:02,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i [2024-12-02 07:38:02,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/541204840/e9a5a3af85394e618d6a86af7db933cf/FLAGaedc82df5 [2024-12-02 07:38:03,324 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/data/541204840/e9a5a3af85394e618d6a86af7db933cf [2024-12-02 07:38:03,326 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 07:38:03,327 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 07:38:03,328 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 07:38:03,329 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 07:38:03,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 07:38:03,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19efcdf8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03, skipping insertion in model container [2024-12-02 07:38:03,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,346 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 07:38:03,450 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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i[916,929] [2024-12-02 07:38:03,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:38:03,522 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 07:38:03,530 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_623f5dff-5da2-4b1a-a99b-f852ac0f959b/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-38.i[916,929] [2024-12-02 07:38:03,571 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 07:38:03,592 INFO L204 MainTranslator]: Completed translation [2024-12-02 07:38:03,593 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03 WrapperNode [2024-12-02 07:38:03,593 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 07:38:03,593 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 07:38:03,594 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 07:38:03,594 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 07:38:03,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,610 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,636 INFO L138 Inliner]: procedures = 36, calls = 180, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 498 [2024-12-02 07:38:03,636 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 07:38:03,637 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 07:38:03,637 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 07:38:03,637 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 07:38:03,643 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,643 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,648 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,665 INFO L175 MemorySlicer]: Split 141 memory accesses to 5 slices as follows [2, 22, 35, 9, 73]. 52 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 3, 5, 2, 9]. The 21 writes are split as follows [0, 3, 5, 2, 11]. [2024-12-02 07:38:03,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,665 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,688 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,690 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,694 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,698 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,700 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,706 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 07:38:03,707 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 07:38:03,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 07:38:03,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 07:38:03,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (1/1) ... [2024-12-02 07:38:03,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 07:38:03,728 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 07:38:03,740 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 07:38:03,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 07:38:03,766 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#2 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#3 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#4 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#2 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#3 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#4 [2024-12-02 07:38:03,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#2 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#3 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#4 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#2 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#3 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#4 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#2 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#3 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#4 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2024-12-02 07:38:03,768 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#2 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#3 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#4 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#2 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#3 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#4 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#2 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#3 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#4 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2024-12-02 07:38:03,769 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#2 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#3 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#4 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 07:38:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 07:38:03,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#2 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#3 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#4 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2024-12-02 07:38:03,770 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#2 [2024-12-02 07:38:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#3 [2024-12-02 07:38:03,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#4 [2024-12-02 07:38:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2024-12-02 07:38:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2024-12-02 07:38:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#2 [2024-12-02 07:38:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#3 [2024-12-02 07:38:03,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#4 [2024-12-02 07:38:03,918 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 07:38:03,919 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 07:38:11,207 INFO L? ?]: Removed 108 outVars from TransFormulas that were not future-live. [2024-12-02 07:38:11,207 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 07:38:11,218 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 07:38:11,218 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 07:38:11,219 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:38:11 BoogieIcfgContainer [2024-12-02 07:38:11,219 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 07:38:11,221 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 07:38:11,221 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 07:38:11,225 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 07:38:11,225 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:38:03" (1/3) ... [2024-12-02 07:38:11,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b3b7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:38:11, skipping insertion in model container [2024-12-02 07:38:11,226 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:38:03" (2/3) ... [2024-12-02 07:38:11,226 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b3b7f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:38:11, skipping insertion in model container [2024-12-02 07:38:11,227 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:38:11" (3/3) ... [2024-12-02 07:38:11,228 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-38.i [2024-12-02 07:38:11,238 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 07:38:11,239 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_variablewrapping_wrapper-a_file-38.i that has 2 procedures, 122 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 07:38:11,282 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 07:38:11,291 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;@396be4bd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 07:38:11,291 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 07:38:11,295 INFO L276 IsEmpty]: Start isEmpty. Operand has 122 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 07:38:11,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:11,307 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:11,308 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:11,308 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:11,312 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:11,313 INFO L85 PathProgramCache]: Analyzing trace with hash 1484720315, now seen corresponding path program 1 times [2024-12-02 07:38:11,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:11,323 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [805728628] [2024-12-02 07:38:11,323 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:11,323 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 [2024-12-02 07:38:11,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:11,325 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:11,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:11,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:11,874 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 07:38:11,891 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:11,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 494 proven. 0 refuted. 0 times theorem prover too weak. 610 trivial. 0 not checked. [2024-12-02 07:38:11,932 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:11,932 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:11,932 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [805728628] [2024-12-02 07:38:11,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [805728628] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:11,933 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:11,933 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 07:38:11,935 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [538618135] [2024-12-02 07:38:11,935 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:11,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 07:38:11,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:11,953 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 07:38:11,954 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:38:11,955 INFO L87 Difference]: Start difference. First operand has 122 states, 95 states have (on average 1.3789473684210527) internal successors, (131), 96 states have internal predecessors, (131), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 07:38:11,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:11,982 INFO L93 Difference]: Finished difference Result 237 states and 376 transitions. [2024-12-02 07:38:11,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 07:38:11,984 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2024-12-02 07:38:11,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:11,989 INFO L225 Difference]: With dead ends: 237 [2024-12-02 07:38:11,989 INFO L226 Difference]: Without dead ends: 118 [2024-12-02 07:38:11,992 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 183 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 07:38:11,994 INFO L435 NwaCegarLoop]: 172 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, 172 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 [2024-12-02 07:38:11,994 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 172 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 07:38:12,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2024-12-02 07:38:12,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 118. [2024-12-02 07:38:12,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 92 states have (on average 1.3478260869565217) internal successors, (124), 92 states have internal predecessors, (124), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 07:38:12,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 172 transitions. [2024-12-02 07:38:12,030 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 172 transitions. Word has length 184 [2024-12-02 07:38:12,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:12,030 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 172 transitions. [2024-12-02 07:38:12,031 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 35.5) internal successors, (71), 2 states have internal predecessors, (71), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 07:38:12,031 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 172 transitions. [2024-12-02 07:38:12,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:12,034 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:12,034 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:12,044 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:12,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:12,235 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:12,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:12,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1050794083, now seen corresponding path program 1 times [2024-12-02 07:38:12,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:12,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [646266093] [2024-12-02 07:38:12,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:12,237 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 [2024-12-02 07:38:12,237 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:12,239 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:12,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:12,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:12,773 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-02 07:38:12,778 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:12,888 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:38:12,888 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:12,888 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:12,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [646266093] [2024-12-02 07:38:12,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [646266093] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:12,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:12,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:38:12,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534166155] [2024-12-02 07:38:12,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:12,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:38:12,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:12,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:38:12,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:38:12,892 INFO L87 Difference]: Start difference. First operand 118 states and 172 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:15,347 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.38s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:38:15,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:15,525 INFO L93 Difference]: Finished difference Result 268 states and 391 transitions. [2024-12-02 07:38:15,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-12-02 07:38:15,526 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 184 [2024-12-02 07:38:15,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:15,528 INFO L225 Difference]: With dead ends: 268 [2024-12-02 07:38:15,528 INFO L226 Difference]: Without dead ends: 153 [2024-12-02 07:38:15,529 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-12-02 07:38:15,530 INFO L435 NwaCegarLoop]: 161 mSDtfsCounter, 48 mSDsluCounter, 461 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:15,531 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 622 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 2.6s Time] [2024-12-02 07:38:15,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 153 states. [2024-12-02 07:38:15,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 153 to 121. [2024-12-02 07:38:15,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 95 states have (on average 1.3368421052631578) internal successors, (127), 95 states have internal predecessors, (127), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-12-02 07:38:15,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 175 transitions. [2024-12-02 07:38:15,544 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 175 transitions. Word has length 184 [2024-12-02 07:38:15,545 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:15,545 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 175 transitions. [2024-12-02 07:38:15,546 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:15,546 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 175 transitions. [2024-12-02 07:38:15,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:15,549 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:15,549 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:15,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:15,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:15,750 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:15,750 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:15,750 INFO L85 PathProgramCache]: Analyzing trace with hash -1250137949, now seen corresponding path program 1 times [2024-12-02 07:38:15,751 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:15,751 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [432841205] [2024-12-02 07:38:15,751 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:15,751 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 [2024-12-02 07:38:15,751 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:15,752 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:15,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:16,402 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 07:38:16,409 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:16,435 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 19 treesize of output 1 [2024-12-02 07:38:16,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:38:16,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 29 [2024-12-02 07:38:17,759 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:17,759 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 62 treesize of output 26 [2024-12-02 07:38:17,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 385 proven. 15 refuted. 0 times theorem prover too weak. 704 trivial. 0 not checked. [2024-12-02 07:38:17,942 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:38:18,982 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:18,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [432841205] [2024-12-02 07:38:18,982 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [432841205] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:38:18,982 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1501259332] [2024-12-02 07:38:18,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:18,983 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:38:18,983 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:38:18,984 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:38:18,985 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-02 07:38:20,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:20,924 INFO L256 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 07:38:20,929 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:21,496 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 12 treesize of output 8 [2024-12-02 07:38:22,262 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2024-12-02 07:38:22,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2024-12-02 07:38:23,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:23,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 42 treesize of output 22 [2024-12-02 07:38:23,873 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 475 proven. 12 refuted. 0 times theorem prover too weak. 617 trivial. 0 not checked. [2024-12-02 07:38:23,873 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:38:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 120 proven. 15 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2024-12-02 07:38:24,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1501259332] provided 0 perfect and 2 imperfect interpolant sequences [2024-12-02 07:38:24,908 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-12-02 07:38:24,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 13, 11] total 37 [2024-12-02 07:38:24,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [288006436] [2024-12-02 07:38:24,909 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-12-02 07:38:24,910 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-12-02 07:38:24,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:24,911 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-12-02 07:38:24,912 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=329, Invalid=1477, Unknown=0, NotChecked=0, Total=1806 [2024-12-02 07:38:24,912 INFO L87 Difference]: Start difference. First operand 121 states and 175 transitions. Second operand has 37 states, 30 states have (on average 5.366666666666666) internal successors, (161), 36 states have internal predecessors, (161), 16 states have call successors, (53), 9 states have call predecessors, (53), 14 states have return successors, (53), 9 states have call predecessors, (53), 16 states have call successors, (53) [2024-12-02 07:38:31,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:31,942 INFO L93 Difference]: Finished difference Result 365 states and 516 transitions. [2024-12-02 07:38:31,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2024-12-02 07:38:31,943 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 30 states have (on average 5.366666666666666) internal successors, (161), 36 states have internal predecessors, (161), 16 states have call successors, (53), 9 states have call predecessors, (53), 14 states have return successors, (53), 9 states have call predecessors, (53), 16 states have call successors, (53) Word has length 184 [2024-12-02 07:38:31,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:31,944 INFO L225 Difference]: With dead ends: 365 [2024-12-02 07:38:31,945 INFO L226 Difference]: Without dead ends: 247 [2024-12-02 07:38:31,947 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 614 GetRequests, 546 SyntacticMatches, 2 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1264 ImplicationChecksByTransitivity, 6.1s TimeCoverageRelationStatistics Valid=974, Invalid=3582, Unknown=0, NotChecked=0, Total=4556 [2024-12-02 07:38:31,948 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 917 mSDsluCounter, 1386 mSDsCounter, 0 mSdLazyCounter, 1226 mSolverCounterSat, 422 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 918 SdHoareTripleChecker+Valid, 1497 SdHoareTripleChecker+Invalid, 1648 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 422 IncrementalHoareTripleChecker+Valid, 1226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.6s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:31,948 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [918 Valid, 1497 Invalid, 1648 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [422 Valid, 1226 Invalid, 0 Unknown, 0 Unchecked, 4.6s Time] [2024-12-02 07:38:31,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-12-02 07:38:31,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 238. [2024-12-02 07:38:31,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 189 states have (on average 1.3227513227513228) internal successors, (250), 190 states have internal predecessors, (250), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 41 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 07:38:31,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 334 transitions. [2024-12-02 07:38:31,979 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 334 transitions. Word has length 184 [2024-12-02 07:38:31,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:31,980 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 334 transitions. [2024-12-02 07:38:31,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 30 states have (on average 5.366666666666666) internal successors, (161), 36 states have internal predecessors, (161), 16 states have call successors, (53), 9 states have call predecessors, (53), 14 states have return successors, (53), 9 states have call predecessors, (53), 16 states have call successors, (53) [2024-12-02 07:38:31,980 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 334 transitions. [2024-12-02 07:38:31,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:31,983 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:31,983 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:31,992 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-02 07:38:32,193 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:32,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:32,384 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:32,384 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:32,384 INFO L85 PathProgramCache]: Analyzing trace with hash -2067786399, now seen corresponding path program 1 times [2024-12-02 07:38:32,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [100861170] [2024-12-02 07:38:32,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:32,385 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 [2024-12-02 07:38:32,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:32,387 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:32,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:33,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:33,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 07:38:33,199 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:33,208 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 19 treesize of output 1 [2024-12-02 07:38:33,214 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 14 treesize of output 10 [2024-12-02 07:38:33,320 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 07:38:33,454 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:33,454 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 45 treesize of output 50 [2024-12-02 07:38:33,537 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:33,537 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 84 treesize of output 92 [2024-12-02 07:38:33,994 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:33,994 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 146 treesize of output 70 [2024-12-02 07:38:34,067 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 784 trivial. 0 not checked. [2024-12-02 07:38:34,067 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:34,067 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:34,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [100861170] [2024-12-02 07:38:34,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [100861170] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:34,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:34,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-12-02 07:38:34,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [119605803] [2024-12-02 07:38:34,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:34,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-12-02 07:38:34,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:34,068 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-12-02 07:38:34,068 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-12-02 07:38:34,068 INFO L87 Difference]: Start difference. First operand 238 states and 334 transitions. Second operand has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 07:38:37,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:37,321 INFO L93 Difference]: Finished difference Result 623 states and 881 transitions. [2024-12-02 07:38:37,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:38:37,322 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 184 [2024-12-02 07:38:37,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:37,326 INFO L225 Difference]: With dead ends: 623 [2024-12-02 07:38:37,326 INFO L226 Difference]: Without dead ends: 388 [2024-12-02 07:38:37,327 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:38:37,328 INFO L435 NwaCegarLoop]: 222 mSDtfsCounter, 403 mSDsluCounter, 771 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 993 SdHoareTripleChecker+Invalid, 533 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:37,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 993 Invalid, 533 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2024-12-02 07:38:37,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2024-12-02 07:38:37,367 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 321. [2024-12-02 07:38:37,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 321 states, 257 states have (on average 1.3346303501945525) internal successors, (343), 259 states have internal predecessors, (343), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 07:38:37,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 321 states and 455 transitions. [2024-12-02 07:38:37,370 INFO L78 Accepts]: Start accepts. Automaton has 321 states and 455 transitions. Word has length 184 [2024-12-02 07:38:37,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:37,371 INFO L471 AbstractCegarLoop]: Abstraction has 321 states and 455 transitions. [2024-12-02 07:38:37,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 7.777777777777778) internal successors, (70), 9 states have internal predecessors, (70), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2024-12-02 07:38:37,371 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 455 transitions. [2024-12-02 07:38:37,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:37,373 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:37,373 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:37,383 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:37,574 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:37,574 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:37,574 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:37,574 INFO L85 PathProgramCache]: Analyzing trace with hash 1640374883, now seen corresponding path program 1 times [2024-12-02 07:38:37,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:37,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [523459046] [2024-12-02 07:38:37,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:37,575 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 [2024-12-02 07:38:37,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:37,576 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:37,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:38,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 07:38:38,447 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:38,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2024-12-02 07:38:38,593 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 15 [2024-12-02 07:38:39,044 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:39,044 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 50 treesize of output 31 [2024-12-02 07:38:39,088 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:39,089 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 74 treesize of output 70 [2024-12-02 07:38:39,278 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:39,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 90 treesize of output 38 [2024-12-02 07:38:39,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 314 proven. 9 refuted. 0 times theorem prover too weak. 781 trivial. 0 not checked. [2024-12-02 07:38:39,393 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:38:39,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:38:39,831 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:39,831 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [523459046] [2024-12-02 07:38:39,831 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [523459046] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:38:39,831 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:38:39,831 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [14] total 17 [2024-12-02 07:38:39,831 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068138109] [2024-12-02 07:38:39,831 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:39,832 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:38:39,832 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:39,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:38:39,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=221, Unknown=0, NotChecked=0, Total=272 [2024-12-02 07:38:39,833 INFO L87 Difference]: Start difference. First operand 321 states and 455 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:40,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:40,378 INFO L93 Difference]: Finished difference Result 648 states and 915 transitions. [2024-12-02 07:38:40,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:38:40,379 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 184 [2024-12-02 07:38:40,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:40,382 INFO L225 Difference]: With dead ends: 648 [2024-12-02 07:38:40,382 INFO L226 Difference]: Without dead ends: 330 [2024-12-02 07:38:40,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=56, Invalid=250, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:38:40,383 INFO L435 NwaCegarLoop]: 176 mSDtfsCounter, 139 mSDsluCounter, 441 mSDsCounter, 0 mSdLazyCounter, 124 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 617 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 124 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:40,383 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 617 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 124 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-12-02 07:38:40,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-12-02 07:38:40,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 319. [2024-12-02 07:38:40,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 319 states, 255 states have (on average 1.3254901960784313) internal successors, (338), 257 states have internal predecessors, (338), 56 states have call successors, (56), 7 states have call predecessors, (56), 7 states have return successors, (56), 54 states have call predecessors, (56), 56 states have call successors, (56) [2024-12-02 07:38:40,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 450 transitions. [2024-12-02 07:38:40,412 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 450 transitions. Word has length 184 [2024-12-02 07:38:40,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:40,413 INFO L471 AbstractCegarLoop]: Abstraction has 319 states and 450 transitions. [2024-12-02 07:38:40,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:40,413 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 450 transitions. [2024-12-02 07:38:40,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:40,414 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:40,414 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:40,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2024-12-02 07:38:40,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:40,615 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:40,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:40,616 INFO L85 PathProgramCache]: Analyzing trace with hash -1848931681, now seen corresponding path program 1 times [2024-12-02 07:38:40,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:40,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821150925] [2024-12-02 07:38:40,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:40,616 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 [2024-12-02 07:38:40,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:40,618 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:40,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:41,265 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-02 07:38:41,269 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:41,280 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 14 treesize of output 10 [2024-12-02 07:38:41,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 19 [2024-12-02 07:38:42,224 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:42,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 71 treesize of output 40 [2024-12-02 07:38:42,373 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:42,373 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 79 [2024-12-02 07:38:42,661 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:42,661 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 91 treesize of output 45 [2024-12-02 07:38:42,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 334 proven. 9 refuted. 0 times theorem prover too weak. 761 trivial. 0 not checked. [2024-12-02 07:38:42,776 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:38:43,210 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:38:43,210 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:43,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821150925] [2024-12-02 07:38:43,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821150925] provided 1 perfect and 1 imperfect interpolant sequences [2024-12-02 07:38:43,210 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 07:38:43,210 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [15] total 18 [2024-12-02 07:38:43,210 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [412055499] [2024-12-02 07:38:43,210 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:43,211 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:38:43,211 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:43,211 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:38:43,211 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2024-12-02 07:38:43,212 INFO L87 Difference]: Start difference. First operand 319 states and 450 transitions. Second operand has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:43,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:43,735 INFO L93 Difference]: Finished difference Result 650 states and 911 transitions. [2024-12-02 07:38:43,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:38:43,736 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 184 [2024-12-02 07:38:43,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:43,738 INFO L225 Difference]: With dead ends: 650 [2024-12-02 07:38:43,738 INFO L226 Difference]: Without dead ends: 334 [2024-12-02 07:38:43,739 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 367 GetRequests, 348 SyntacticMatches, 2 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=69, Invalid=273, Unknown=0, NotChecked=0, Total=342 [2024-12-02 07:38:43,740 INFO L435 NwaCegarLoop]: 261 mSDtfsCounter, 234 mSDsluCounter, 394 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 234 SdHoareTripleChecker+Valid, 655 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:43,740 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [234 Valid, 655 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-12-02 07:38:43,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2024-12-02 07:38:43,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 237. [2024-12-02 07:38:43,782 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 237 states, 191 states have (on average 1.3036649214659686) internal successors, (249), 192 states have internal predecessors, (249), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 07:38:43,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 237 states to 237 states and 325 transitions. [2024-12-02 07:38:43,784 INFO L78 Accepts]: Start accepts. Automaton has 237 states and 325 transitions. Word has length 184 [2024-12-02 07:38:43,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:43,785 INFO L471 AbstractCegarLoop]: Abstraction has 237 states and 325 transitions. [2024-12-02 07:38:43,785 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.4) internal successors, (67), 5 states have internal predecessors, (67), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:43,785 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 325 transitions. [2024-12-02 07:38:43,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2024-12-02 07:38:43,786 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:43,787 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:43,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:43,987 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:43,987 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:43,987 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:43,988 INFO L85 PathProgramCache]: Analyzing trace with hash 1859229601, now seen corresponding path program 1 times [2024-12-02 07:38:43,988 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:43,988 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1996774689] [2024-12-02 07:38:43,988 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:43,988 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 [2024-12-02 07:38:43,988 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:43,989 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:43,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:44,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:44,678 INFO L256 TraceCheckSpWp]: Trace formula consists of 376 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-02 07:38:44,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:44,692 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 14 treesize of output 10 [2024-12-02 07:38:44,780 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2024-12-02 07:38:44,852 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 24 [2024-12-02 07:38:45,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:45,095 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 55 treesize of output 54 [2024-12-02 07:38:45,229 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:45,230 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 89 treesize of output 97 [2024-12-02 07:38:45,716 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:45,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 156 treesize of output 74 [2024-12-02 07:38:45,763 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2024-12-02 07:38:45,763 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:45,763 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:45,763 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1996774689] [2024-12-02 07:38:45,763 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1996774689] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:45,763 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:45,763 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-12-02 07:38:45,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055573294] [2024-12-02 07:38:45,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:45,763 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-12-02 07:38:45,763 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:45,764 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-12-02 07:38:45,764 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2024-12-02 07:38:45,764 INFO L87 Difference]: Start difference. First operand 237 states and 325 transitions. Second operand has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:38:49,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:49,278 INFO L93 Difference]: Finished difference Result 644 states and 896 transitions. [2024-12-02 07:38:49,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-12-02 07:38:49,279 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 184 [2024-12-02 07:38:49,279 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:49,282 INFO L225 Difference]: With dead ends: 644 [2024-12-02 07:38:49,282 INFO L226 Difference]: Without dead ends: 410 [2024-12-02 07:38:49,283 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2024-12-02 07:38:49,283 INFO L435 NwaCegarLoop]: 363 mSDtfsCounter, 396 mSDsluCounter, 1020 mSDsCounter, 0 mSdLazyCounter, 623 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 396 SdHoareTripleChecker+Valid, 1383 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 623 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.4s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:49,284 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [396 Valid, 1383 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 623 Invalid, 0 Unknown, 0 Unchecked, 3.4s Time] [2024-12-02 07:38:49,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2024-12-02 07:38:49,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 240. [2024-12-02 07:38:49,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.2989690721649485) internal successors, (252), 195 states have internal predecessors, (252), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 07:38:49,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 328 transitions. [2024-12-02 07:38:49,322 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 328 transitions. Word has length 184 [2024-12-02 07:38:49,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:49,322 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 328 transitions. [2024-12-02 07:38:49,322 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 7.3) internal successors, (73), 10 states have internal predecessors, (73), 3 states have call successors, (24), 3 states have call predecessors, (24), 3 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-12-02 07:38:49,322 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 328 transitions. [2024-12-02 07:38:49,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2024-12-02 07:38:49,324 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:49,324 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:49,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:49,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:49,524 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:49,524 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:49,525 INFO L85 PathProgramCache]: Analyzing trace with hash 687450303, now seen corresponding path program 1 times [2024-12-02 07:38:49,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:49,525 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [868131131] [2024-12-02 07:38:49,525 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:49,525 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 [2024-12-02 07:38:49,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:49,526 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:49,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Waiting until timeout for monitored process [2024-12-02 07:38:49,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:50,009 INFO L256 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:38:50,012 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:50,034 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 18 treesize of output 10 [2024-12-02 07:38:50,058 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:38:50,058 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:38:50,058 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:50,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [868131131] [2024-12-02 07:38:50,058 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [868131131] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:38:50,058 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:38:50,058 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 07:38:50,058 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585569982] [2024-12-02 07:38:50,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:38:50,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-12-02 07:38:50,059 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:38:50,059 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-12-02 07:38:50,059 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:38:50,059 INFO L87 Difference]: Start difference. First operand 240 states and 328 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:50,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:38:50,217 INFO L93 Difference]: Finished difference Result 477 states and 653 transitions. [2024-12-02 07:38:50,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-12-02 07:38:50,217 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 185 [2024-12-02 07:38:50,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:38:50,219 INFO L225 Difference]: With dead ends: 477 [2024-12-02 07:38:50,219 INFO L226 Difference]: Without dead ends: 240 [2024-12-02 07:38:50,220 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-12-02 07:38:50,221 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 315 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-12-02 07:38:50,221 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 482 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-12-02 07:38:50,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2024-12-02 07:38:50,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 240. [2024-12-02 07:38:50,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 194 states have (on average 1.288659793814433) internal successors, (250), 195 states have internal predecessors, (250), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 07:38:50,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 326 transitions. [2024-12-02 07:38:50,267 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 326 transitions. Word has length 185 [2024-12-02 07:38:50,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:38:50,268 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 326 transitions. [2024-12-02 07:38:50,268 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:38:50,268 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 326 transitions. [2024-12-02 07:38:50,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:38:50,269 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:38:50,269 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:38:50,283 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (10)] Ended with exit code 0 [2024-12-02 07:38:50,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:38:50,470 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:38:50,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:38:50,470 INFO L85 PathProgramCache]: Analyzing trace with hash 1948828444, now seen corresponding path program 1 times [2024-12-02 07:38:50,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:38:50,471 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1718183386] [2024-12-02 07:38:50,471 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:50,471 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 [2024-12-02 07:38:50,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:38:50,473 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:38:50,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:38:51,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:51,151 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 07:38:51,158 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:51,168 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 14 treesize of output 10 [2024-12-02 07:38:51,395 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 29 [2024-12-02 07:38:52,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 42 [2024-12-02 07:38:53,378 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:53,379 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 80 treesize of output 52 [2024-12-02 07:38:53,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:53,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 104 treesize of output 91 [2024-12-02 07:38:54,159 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:54,160 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 115 treesize of output 51 [2024-12-02 07:38:54,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 476 proven. 15 refuted. 0 times theorem prover too weak. 613 trivial. 0 not checked. [2024-12-02 07:38:54,270 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:38:55,167 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:38:55,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1718183386] [2024-12-02 07:38:55,167 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1718183386] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:38:55,167 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1669560341] [2024-12-02 07:38:55,168 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:38:55,168 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-02 07:38:55,168 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 [2024-12-02 07:38:55,169 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-02 07:38:55,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-02 07:38:57,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:38:57,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-02 07:38:57,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:38:57,615 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 [2024-12-02 07:38:58,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 21 [2024-12-02 07:38:59,004 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:59,005 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 39 treesize of output 37 [2024-12-02 07:38:59,548 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:59,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 50 treesize of output 40 [2024-12-02 07:38:59,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:38:59,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 72 treesize of output 75 [2024-12-02 07:39:00,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-12-02 07:39:00,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 51 [2024-12-02 07:39:00,853 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 379 proven. 18 refuted. 0 times theorem prover too weak. 707 trivial. 0 not checked. [2024-12-02 07:39:00,854 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-12-02 07:39:01,350 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1669560341] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 07:39:01,350 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-12-02 07:39:01,350 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 16] total 35 [2024-12-02 07:39:01,350 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610548310] [2024-12-02 07:39:01,350 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-12-02 07:39:01,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 35 states [2024-12-02 07:39:01,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:39:01,352 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2024-12-02 07:39:01,352 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=333, Invalid=1647, Unknown=0, NotChecked=0, Total=1980 [2024-12-02 07:39:01,353 INFO L87 Difference]: Start difference. First operand 240 states and 326 transitions. Second operand has 35 states, 30 states have (on average 5.2) internal successors, (156), 30 states have internal predecessors, (156), 12 states have call successors, (48), 10 states have call predecessors, (48), 12 states have return successors, (48), 9 states have call predecessors, (48), 12 states have call successors, (48) [2024-12-02 07:39:18,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:39:18,859 INFO L93 Difference]: Finished difference Result 660 states and 906 transitions. [2024-12-02 07:39:18,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-12-02 07:39:18,860 INFO L78 Accepts]: Start accepts. Automaton has has 35 states, 30 states have (on average 5.2) internal successors, (156), 30 states have internal predecessors, (156), 12 states have call successors, (48), 10 states have call predecessors, (48), 12 states have return successors, (48), 9 states have call predecessors, (48), 12 states have call successors, (48) Word has length 186 [2024-12-02 07:39:18,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:39:18,862 INFO L225 Difference]: With dead ends: 660 [2024-12-02 07:39:18,862 INFO L226 Difference]: Without dead ends: 423 [2024-12-02 07:39:18,863 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 493 GetRequests, 407 SyntacticMatches, 3 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1917 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=1481, Invalid=5659, Unknown=0, NotChecked=0, Total=7140 [2024-12-02 07:39:18,864 INFO L435 NwaCegarLoop]: 171 mSDtfsCounter, 2173 mSDsluCounter, 2646 mSDsCounter, 0 mSdLazyCounter, 2237 mSolverCounterSat, 857 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2173 SdHoareTripleChecker+Valid, 2817 SdHoareTripleChecker+Invalid, 3094 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 857 IncrementalHoareTripleChecker+Valid, 2237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:39:18,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2173 Valid, 2817 Invalid, 3094 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [857 Valid, 2237 Invalid, 0 Unknown, 0 Unchecked, 11.9s Time] [2024-12-02 07:39:18,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2024-12-02 07:39:18,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 246. [2024-12-02 07:39:18,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 200 states have (on average 1.285) internal successors, (257), 201 states have internal predecessors, (257), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 07:39:18,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 333 transitions. [2024-12-02 07:39:18,912 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 333 transitions. Word has length 186 [2024-12-02 07:39:18,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:39:18,913 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 333 transitions. [2024-12-02 07:39:18,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 35 states, 30 states have (on average 5.2) internal successors, (156), 30 states have internal predecessors, (156), 12 states have call successors, (48), 10 states have call predecessors, (48), 12 states have return successors, (48), 9 states have call predecessors, (48), 12 states have call successors, (48) [2024-12-02 07:39:18,913 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 333 transitions. [2024-12-02 07:39:18,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:39:18,914 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:39:18,914 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:39:18,928 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-02 07:39:19,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:39:19,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/cvc4 --incremental --print-success --lang smt,11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:39:19,315 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:39:19,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:39:19,315 INFO L85 PathProgramCache]: Analyzing trace with hash -2087973414, now seen corresponding path program 1 times [2024-12-02 07:39:19,316 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:39:19,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1758532205] [2024-12-02 07:39:19,316 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:39:19,316 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 [2024-12-02 07:39:19,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:39:19,318 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:39:19,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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 [2024-12-02 07:39:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 07:39:19,760 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-12-02 07:39:19,762 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 07:39:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2024-12-02 07:39:19,801 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 07:39:19,801 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 07:39:19,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1758532205] [2024-12-02 07:39:19,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1758532205] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 07:39:19,801 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 07:39:19,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 07:39:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121767022] [2024-12-02 07:39:19,801 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 07:39:19,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 07:39:19,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 07:39:19,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 07:39:19,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:39:19,802 INFO L87 Difference]: Start difference. First operand 246 states and 333 transitions. Second operand has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:39:22,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-12-02 07:39:22,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 07:39:22,711 INFO L93 Difference]: Finished difference Result 495 states and 671 transitions. [2024-12-02 07:39:22,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 07:39:22,712 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 186 [2024-12-02 07:39:22,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 07:39:22,714 INFO L225 Difference]: With dead ends: 495 [2024-12-02 07:39:22,714 INFO L226 Difference]: Without dead ends: 252 [2024-12-02 07:39:22,714 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 07:39:22,715 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 0 mSDsluCounter, 485 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 652 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2024-12-02 07:39:22,715 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 652 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2024-12-02 07:39:22,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 252 states. [2024-12-02 07:39:22,747 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 252 to 252. [2024-12-02 07:39:22,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 252 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 207 states have internal predecessors, (263), 38 states have call successors, (38), 7 states have call predecessors, (38), 7 states have return successors, (38), 37 states have call predecessors, (38), 38 states have call successors, (38) [2024-12-02 07:39:22,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 252 states and 339 transitions. [2024-12-02 07:39:22,749 INFO L78 Accepts]: Start accepts. Automaton has 252 states and 339 transitions. Word has length 186 [2024-12-02 07:39:22,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 07:39:22,749 INFO L471 AbstractCegarLoop]: Abstraction has 252 states and 339 transitions. [2024-12-02 07:39:22,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.8) internal successors, (69), 5 states have internal predecessors, (69), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2024-12-02 07:39:22,749 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 339 transitions. [2024-12-02 07:39:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2024-12-02 07:39:22,750 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 07:39:22,750 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 07:39:22,759 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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)] Ended with exit code 0 [2024-12-02 07:39:22,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-12-02 07:39:22,951 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 07:39:22,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 07:39:22,951 INFO L85 PathProgramCache]: Analyzing trace with hash 1526935512, now seen corresponding path program 1 times [2024-12-02 07:39:22,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 07:39:22,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [62144389] [2024-12-02 07:39:22,952 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 07:39:22,952 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 [2024-12-02 07:39:22,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 07:39:22,953 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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) [2024-12-02 07:39:22,954 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_623f5dff-5da2-4b1a-a99b-f852ac0f959b/bin/uautomizer-verify-84ZbGMXZE1/mathsat -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