./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.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_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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_e5d35845-2358-4add-80d1-202cc2e30614/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 5bdbe64eb8d422d2ea5717bc71f96affad4a8cac372591c2430b21f42f6849ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:55:25,011 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:55:25,062 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 12:55:25,066 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:55:25,067 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:55:25,085 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:55:25,086 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:55:25,086 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:55:25,086 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:55:25,086 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:55:25,087 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:55:25,087 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:55:25,087 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:55:25,087 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:55:25,087 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:55:25,087 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:55:25,087 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:55:25,088 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:55:25,089 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:25,089 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:55:25,089 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:25,090 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:55:25,090 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:55:25,091 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_e5d35845-2358-4add-80d1-202cc2e30614/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 -> 5bdbe64eb8d422d2ea5717bc71f96affad4a8cac372591c2430b21f42f6849ce [2024-12-02 12:55:25,288 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:55:25,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:55:25,297 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:55:25,298 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:55:25,298 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:55:25,299 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i [2024-12-02 12:55:28,004 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/f04d7543c/1b03709a6011487ab0b76bf1f23da7ef/FLAG59fff7dfd [2024-12-02 12:55:28,168 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:55:28,168 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i [2024-12-02 12:55:28,175 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/f04d7543c/1b03709a6011487ab0b76bf1f23da7ef/FLAG59fff7dfd [2024-12-02 12:55:28,185 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/f04d7543c/1b03709a6011487ab0b76bf1f23da7ef [2024-12-02 12:55:28,187 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:55:28,188 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:55:28,189 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:55:28,189 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:55:28,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:55:28,194 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,195 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29e7ae01 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28, skipping insertion in model container [2024-12-02 12:55:28,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,212 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:55:28,336 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_e5d35845-2358-4add-80d1-202cc2e30614/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i[915,928] [2024-12-02 12:55:28,373 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:55:28,381 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:55:28,388 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_e5d35845-2358-4add-80d1-202cc2e30614/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i[915,928] [2024-12-02 12:55:28,405 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:55:28,418 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:55:28,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28 WrapperNode [2024-12-02 12:55:28,418 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:55:28,419 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:55:28,419 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:55:28,419 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:55:28,424 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,430 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,445 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 139 [2024-12-02 12:55:28,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:55:28,446 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:55:28,446 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:55:28,446 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:55:28,455 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,457 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,469 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:55:28,469 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,469 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,474 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,475 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,478 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,479 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,480 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,482 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:55:28,482 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:55:28,482 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:55:28,483 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:55:28,483 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (1/1) ... [2024-12-02 12:55:28,489 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:28,500 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:28,512 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:55:28,514 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:55:28,537 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 12:55:28,537 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:55:28,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:55:28,597 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:55:28,598 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:55:28,796 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 12:55:28,796 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:55:28,806 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:55:28,806 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:55:28,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:28 BoogieIcfgContainer [2024-12-02 12:55:28,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:55:28,809 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:55:28,809 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:55:28,814 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:55:28,814 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:55:28" (1/3) ... [2024-12-02 12:55:28,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e5b5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:55:28, skipping insertion in model container [2024-12-02 12:55:28,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:28" (2/3) ... [2024-12-02 12:55:28,815 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10e5b5fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:55:28, skipping insertion in model container [2024-12-02 12:55:28,815 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:28" (3/3) ... [2024-12-02 12:55:28,816 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-59.i [2024-12-02 12:55:28,831 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:55:28,832 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-59.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:55:28,886 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:55:28,897 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;@3db736ed, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:55:28,897 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:55:28,901 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 38 states have internal predecessors, (47), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:55:28,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 12:55:28,911 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:28,912 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:28,912 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:28,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:28,917 INFO L85 PathProgramCache]: Analyzing trace with hash -1364163728, now seen corresponding path program 1 times [2024-12-02 12:55:28,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:55:28,925 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [871064957] [2024-12-02 12:55:28,925 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:28,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:55:29,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:29,194 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 12:55:29,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:55:29,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [871064957] [2024-12-02 12:55:29,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [871064957] provided 0 perfect and 1 imperfect interpolant sequences [2024-12-02 12:55:29,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [972935578] [2024-12-02 12:55:29,196 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:29,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 12:55:29,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:29,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 12:55:29,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 12:55:29,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:29,344 INFO L256 TraceCheckSpWp]: Trace formula consists of 302 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:55:29,351 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:55:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 800 trivial. 0 not checked. [2024-12-02 12:55:29,375 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:55:29,375 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [972935578] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:55:29,375 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-12-02 12:55:29,376 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-12-02 12:55:29,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021670442] [2024-12-02 12:55:29,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:55:29,381 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:55:29,381 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:55:29,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:55:29,398 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:55:29,399 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 38 states have internal predecessors, (47), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:29,424 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:55:29,424 INFO L93 Difference]: Finished difference Result 119 states and 196 transitions. [2024-12-02 12:55:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:55:29,426 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2024-12-02 12:55:29,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:55:29,432 INFO L225 Difference]: With dead ends: 119 [2024-12-02 12:55:29,432 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 12:55:29,435 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 134 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 12:55:29,437 INFO L435 NwaCegarLoop]: 85 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, 85 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 12:55:29,438 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:55:29,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 12:55:29,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 12:55:29,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:55:29,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2024-12-02 12:55:29,473 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 133 [2024-12-02 12:55:29,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:55:29,474 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2024-12-02 12:55:29,474 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (21), 2 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:29,474 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2024-12-02 12:55:29,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 12:55:29,477 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:29,477 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:29,484 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 12:55:29,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-12-02 12:55:29,678 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:29,679 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:29,679 INFO L85 PathProgramCache]: Analyzing trace with hash 304669922, now seen corresponding path program 1 times [2024-12-02 12:55:29,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:55:29,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901641546] [2024-12-02 12:55:29,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:55:29,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:30,010 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 12:55:30,010 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 12:55:30,010 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901641546] [2024-12-02 12:55:30,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901641546] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:55:30,010 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:55:30,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:55:30,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1490938427] [2024-12-02 12:55:30,011 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:55:30,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:55:30,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 12:55:30,012 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:55:30,012 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:55:30,013 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 12:55:30,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:55:30,041 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2024-12-02 12:55:30,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:55:30,042 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2024-12-02 12:55:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:55:30,044 INFO L225 Difference]: With dead ends: 111 [2024-12-02 12:55:30,044 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 12:55:30,045 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:55:30,045 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 12:55:30,046 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:55:30,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 12:55:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 12:55:30,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 34 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:55:30,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2024-12-02 12:55:30,056 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 133 [2024-12-02 12:55:30,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:55:30,057 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2024-12-02 12:55:30,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 12:55:30,057 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2024-12-02 12:55:30,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 12:55:30,059 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:30,059 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:30,059 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 12:55:30,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:30,060 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:30,060 INFO L85 PathProgramCache]: Analyzing trace with hash 619272699, now seen corresponding path program 1 times [2024-12-02 12:55:30,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 12:55:30,060 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [93587748] [2024-12-02 12:55:30,061 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:30,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 12:55:30,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:55:30,144 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 12:55:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 12:55:30,244 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 12:55:30,244 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 12:55:30,245 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 12:55:30,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 12:55:30,248 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-12-02 12:55:30,315 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 12:55:30,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:55:30 BoogieIcfgContainer [2024-12-02 12:55:30,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 12:55:30,319 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 12:55:30,319 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 12:55:30,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 12:55:30,320 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:28" (3/4) ... [2024-12-02 12:55:30,322 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 12:55:30,322 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 12:55:30,323 INFO L158 Benchmark]: Toolchain (without parser) took 2134.94ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 50.4MB in the end (delta: 42.0MB). Peak memory consumption was 39.5MB. Max. memory is 16.1GB. [2024-12-02 12:55:30,323 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:55:30,323 INFO L158 Benchmark]: CACSL2BoogieTranslator took 229.51ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:55:30,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.86ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:55:30,324 INFO L158 Benchmark]: Boogie Preprocessor took 35.50ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:55:30,324 INFO L158 Benchmark]: RCFGBuilder took 324.32ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 60.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 12:55:30,324 INFO L158 Benchmark]: TraceAbstraction took 1509.52ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 51.2MB in the end (delta: 8.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. [2024-12-02 12:55:30,325 INFO L158 Benchmark]: Witness Printer took 3.30ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 50.4MB in the end (delta: 783.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 12:55:30,326 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 229.51ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.1MB in the end (delta: 13.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.86ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 77.3MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 35.50ms. Allocated memory is still 117.4MB. Free memory was 77.3MB in the beginning and 75.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 324.32ms. Allocated memory is still 117.4MB. Free memory was 75.5MB in the beginning and 60.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1509.52ms. Allocated memory is still 117.4MB. Free memory was 59.6MB in the beginning and 51.2MB in the end (delta: 8.4MB). Peak memory consumption was 5.9MB. Max. memory is 16.1GB. * Witness Printer took 3.30ms. Allocated memory is still 117.4MB. Free memory was 51.2MB in the beginning and 50.4MB in the end (delta: 783.7kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryFLOATComparisonOperation at line 102, overapproximation of someBinaryFLOATComparisonOperation at line 100, overapproximation of someBinaryFLOATComparisonOperation at line 61, overapproximation of someBinaryFLOATComparisonOperation at line 111, overapproximation of someBinaryFLOATComparisonOperation at line 104, overapproximation of someBinaryDOUBLEComparisonOperation at line 60, overapproximation of someBinaryDOUBLEComparisonOperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 111, overapproximation of someBinaryDOUBLEComparisonOperation at line 92, overapproximation of someBinaryDOUBLEComparisonOperation at line 94, overapproximation of someBinaryArithmeticFLOAToperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -128; [L23] signed long int var_1_4 = -32; [L24] signed long int var_1_5 = 10; [L25] signed long int var_1_6 = -1; [L26] unsigned long int var_1_7 = 25; [L27] unsigned char var_1_8 = 1; [L28] unsigned long int var_1_9 = 2; [L29] unsigned long int var_1_10 = 32; [L30] unsigned long int var_1_11 = 128; [L31] float var_1_12 = 24.2; [L32] double var_1_13 = 999999999999999.2; [L33] double var_1_14 = 9999999.6; [L34] double var_1_15 = 9.75; [L35] float var_1_16 = 999999999999999.4; [L36] float var_1_17 = 256.6; [L37] float var_1_18 = 8.875; [L38] float var_1_19 = 256.25; [L39] signed long int last_1_var_1_1 = -128; [L40] unsigned long int last_1_var_1_7 = 25; VAL [isInitial=0, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L115] isInitial = 1 [L116] FCALL initially() [L117] int k_loop; [L118] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L118] COND TRUE k_loop < 1 VAL [isInitial=1, k_loop=0, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L119] CALL updateLastVariables() [L107] last_1_var_1_1 = var_1_1 [L108] last_1_var_1_7 = var_1_7 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=-32, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L119] RET updateLastVariables() [L120] CALL updateVariables() [L70] var_1_4 = __VERIFIER_nondet_long() [L71] CALL assume_abort_if_not(var_1_4 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L71] RET assume_abort_if_not(var_1_4 >= -536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L72] CALL assume_abort_if_not(var_1_4 <= 536870912) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L72] RET assume_abort_if_not(var_1_4 <= 536870912) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=10, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L73] var_1_5 = __VERIFIER_nondet_long() [L74] CALL assume_abort_if_not(var_1_5 >= -536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L74] RET assume_abort_if_not(var_1_5 >= -536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L75] CALL assume_abort_if_not(var_1_5 <= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L75] RET assume_abort_if_not(var_1_5 <= 536870911) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1, var_1_7=25, var_1_8=1, var_1_9=2] [L76] var_1_6 = __VERIFIER_nondet_long() [L77] CALL assume_abort_if_not(var_1_6 >= -1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L77] RET assume_abort_if_not(var_1_6 >= -1073741823) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L78] CALL assume_abort_if_not(var_1_6 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L78] RET assume_abort_if_not(var_1_6 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=1, var_1_9=2] [L79] var_1_8 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L80] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_9=2] [L81] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L81] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=2] [L82] var_1_9 = __VERIFIER_nondet_ulong() [L83] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L83] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0] [L84] CALL assume_abort_if_not(var_1_9 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L84] RET assume_abort_if_not(var_1_9 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=32, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L85] var_1_10 = __VERIFIER_nondet_ulong() [L86] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L86] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L87] CALL assume_abort_if_not(var_1_10 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L87] RET assume_abort_if_not(var_1_10 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=128, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L88] var_1_11 = __VERIFIER_nondet_ulong() [L89] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L89] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L90] CALL assume_abort_if_not(var_1_11 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L90] RET assume_abort_if_not(var_1_11 <= 4294967294) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_13=4999999999999996/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L91] var_1_13 = __VERIFIER_nondet_double() [L92] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L92] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_14=49999998/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L93] var_1_14 = __VERIFIER_nondet_double() [L94] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L94] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_15=39/4, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L95] var_1_15 = __VERIFIER_nondet_double() [L96] CALL assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L96] RET assume_abort_if_not((var_1_15 >= -922337.2036854776000e+13F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_16=4999999999999997/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L97] var_1_16 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L98] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_17=1283/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L99] var_1_17 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L100] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_18=71/8, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L101] var_1_18 = __VERIFIER_nondet_float() [L102] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L102] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_19=1025/4, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L103] var_1_19 = __VERIFIER_nondet_float() [L104] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L104] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-128, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L120] RET updateVariables() [L121] CALL step() [L44] COND TRUE ((((last_1_var_1_7) > (1)) ? (last_1_var_1_7) : (1))) <= (256 + last_1_var_1_1) [L45] var_1_1 = ((var_1_4 + var_1_5) + var_1_6) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=25, var_1_8=0, var_1_9=4294967294] [L49] COND FALSE !(\read(var_1_8)) [L56] var_1_7 = var_1_11 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] [L58] unsigned long int stepLocal_0 = var_1_7; VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, stepLocal_0=8589934589, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] [L59] COND TRUE var_1_7 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=121/5, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] [L60] COND TRUE (var_1_13 - var_1_14) == var_1_15 [L61] var_1_12 = ((((var_1_16) > (((var_1_17 + var_1_18) - var_1_19))) ? (var_1_16) : (((var_1_17 + var_1_18) - var_1_19)))) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] [L121] RET step() [L122] CALL, EXPR property() [L111-L112] return (((((((last_1_var_1_7) > (1)) ? (last_1_var_1_7) : (1))) <= (256 + last_1_var_1_1)) ? (var_1_1 == ((signed long int) ((var_1_4 + var_1_5) + var_1_6))) : (var_1_1 == ((signed long int) var_1_6))) && (var_1_8 ? ((var_1_1 <= var_1_1) ? (var_1_7 == ((unsigned long int) ((((var_1_9) > (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) ? (var_1_9) : (((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11)))))))) : (var_1_7 == ((unsigned long int) var_1_10))) : (var_1_7 == ((unsigned long int) var_1_11)))) && ((var_1_7 <= var_1_7) ? (((var_1_13 - var_1_14) == var_1_15) ? (var_1_12 == ((float) ((((var_1_16) > (((var_1_17 + var_1_18) - var_1_19))) ? (var_1_16) : (((var_1_17 + var_1_18) - var_1_19)))))) : (var_1_12 == ((float) var_1_19))) : (var_1_12 == ((float) var_1_16))) ; VAL [\result=0, isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-128, last_1_var_1_7=25, var_1_10=4294967294, var_1_11=8589934589, var_1_12=1000000000000004, var_1_16=1000000000000004, var_1_1=-536870911, var_1_4=536870912, var_1_5=0, var_1_6=-1073741823, var_1_7=8589934589, var_1_8=0, var_1_9=4294967294] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 61 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 3, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 236 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 72 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 164 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 137 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 533 NumberOfCodeBlocks, 533 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 396 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 302 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 3 InterpolantComputations, 2 PerfectInterpolantSequences, 2480/2520 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 12:55:30,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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_e5d35845-2358-4add-80d1-202cc2e30614/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 5bdbe64eb8d422d2ea5717bc71f96affad4a8cac372591c2430b21f42f6849ce --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 12:55:32,289 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 12:55:32,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 12:55:32,374 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 12:55:32,374 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 12:55:32,395 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 12:55:32,396 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 12:55:32,396 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 12:55:32,396 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 12:55:32,397 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 12:55:32,397 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 12:55:32,397 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 12:55:32,397 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 12:55:32,397 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 12:55:32,397 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 12:55:32,397 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 12:55:32,398 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 12:55:32,399 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:32,399 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 12:55:32,399 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:32,399 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 12:55:32,400 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 12:55:32,400 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_e5d35845-2358-4add-80d1-202cc2e30614/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 -> 5bdbe64eb8d422d2ea5717bc71f96affad4a8cac372591c2430b21f42f6849ce [2024-12-02 12:55:32,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 12:55:32,640 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 12:55:32,642 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 12:55:32,643 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 12:55:32,644 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 12:55:32,645 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i [2024-12-02 12:55:35,354 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/e1267ccda/643e358d1f324282b8ee32151243a25e/FLAG3d415d3ae [2024-12-02 12:55:35,525 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 12:55:35,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i [2024-12-02 12:55:35,534 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/e1267ccda/643e358d1f324282b8ee32151243a25e/FLAG3d415d3ae [2024-12-02 12:55:35,548 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/data/e1267ccda/643e358d1f324282b8ee32151243a25e [2024-12-02 12:55:35,551 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 12:55:35,552 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 12:55:35,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 12:55:35,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 12:55:35,557 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 12:55:35,558 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,558 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20b46b1b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35, skipping insertion in model container [2024-12-02 12:55:35,559 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,572 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 12:55:35,707 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_e5d35845-2358-4add-80d1-202cc2e30614/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i[915,928] [2024-12-02 12:55:35,750 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:55:35,765 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 12:55:35,777 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_e5d35845-2358-4add-80d1-202cc2e30614/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-1loop_file-59.i[915,928] [2024-12-02 12:55:35,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 12:55:35,812 INFO L204 MainTranslator]: Completed translation [2024-12-02 12:55:35,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35 WrapperNode [2024-12-02 12:55:35,812 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 12:55:35,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 12:55:35,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 12:55:35,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 12:55:35,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,851 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 136 [2024-12-02 12:55:35,852 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 12:55:35,852 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 12:55:35,853 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 12:55:35,853 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 12:55:35,862 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,862 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,865 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,877 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-12-02 12:55:35,877 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,877 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,886 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,887 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,890 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,894 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,897 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 12:55:35,898 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 12:55:35,898 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 12:55:35,898 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 12:55:35,899 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (1/1) ... [2024-12-02 12:55:35,905 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 12:55:35,917 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 12:55:35,930 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 12:55:35,933 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 12:55:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 12:55:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 12:55:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 12:55:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 12:55:35,956 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 12:55:35,956 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 12:55:36,032 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 12:55:36,034 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 12:55:38,013 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-12-02 12:55:38,013 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 12:55:38,021 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 12:55:38,021 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-02 12:55:38,021 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:38 BoogieIcfgContainer [2024-12-02 12:55:38,021 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 12:55:38,023 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 12:55:38,023 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 12:55:38,027 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 12:55:38,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:55:35" (1/3) ... [2024-12-02 12:55:38,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a8be4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:55:38, skipping insertion in model container [2024-12-02 12:55:38,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:55:35" (2/3) ... [2024-12-02 12:55:38,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60a8be4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:55:38, skipping insertion in model container [2024-12-02 12:55:38,029 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:55:38" (3/3) ... [2024-12-02 12:55:38,030 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-1loop_file-59.i [2024-12-02 12:55:38,043 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 12:55:38,045 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_loopvsstraightlinecode_25-1loop_file-59.i that has 2 procedures, 61 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 12:55:38,090 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 12:55:38,100 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;@2d0c360c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 12:55:38,100 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 12:55:38,104 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 38 states have internal predecessors, (47), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:55:38,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 12:55:38,114 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:38,115 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:38,115 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:38,120 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:38,120 INFO L85 PathProgramCache]: Analyzing trace with hash -1364163728, now seen corresponding path program 1 times [2024-12-02 12:55:38,130 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:55:38,130 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1853125179] [2024-12-02 12:55:38,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:38,131 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 12:55:38,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:55:38,134 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:38,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:38,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-12-02 12:55:38,493 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:55:38,526 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 404 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2024-12-02 12:55:38,527 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:55:38,527 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:55:38,527 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1853125179] [2024-12-02 12:55:38,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1853125179] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:55:38,528 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:55:38,528 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 12:55:38,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [219060808] [2024-12-02 12:55:38,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:55:38,533 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 12:55:38,534 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:55:38,547 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 12:55:38,547 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 12:55:38,549 INFO L87 Difference]: Start difference. First operand has 61 states, 37 states have (on average 1.2702702702702702) internal successors, (47), 38 states have internal predecessors, (47), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) Second operand has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:38,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:55:38,569 INFO L93 Difference]: Finished difference Result 119 states and 196 transitions. [2024-12-02 12:55:38,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 12:55:38,571 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) Word has length 133 [2024-12-02 12:55:38,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:55:38,576 INFO L225 Difference]: With dead ends: 119 [2024-12-02 12:55:38,577 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 12:55:38,580 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 132 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 12:55:38,582 INFO L435 NwaCegarLoop]: 85 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, 85 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 12:55:38,583 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 12:55:38,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 12:55:38,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 12:55:38,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.1470588235294117) internal successors, (39), 34 states have internal predecessors, (39), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:55:38,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2024-12-02 12:55:38,614 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 133 [2024-12-02 12:55:38,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:55:38,615 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2024-12-02 12:55:38,615 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.5) internal successors, (35), 2 states have internal predecessors, (35), 2 states have call successors, (21), 2 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 2 states have call successors, (21) [2024-12-02 12:55:38,615 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2024-12-02 12:55:38,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-12-02 12:55:38,618 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:38,618 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:38,627 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:38,818 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:38,819 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:38,819 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:38,819 INFO L85 PathProgramCache]: Analyzing trace with hash 304669922, now seen corresponding path program 1 times [2024-12-02 12:55:38,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:55:38,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [272641663] [2024-12-02 12:55:38,820 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:38,820 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 12:55:38,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:55:38,822 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:38,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:39,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:39,140 INFO L256 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 12:55:39,145 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:55:39,210 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 840 trivial. 0 not checked. [2024-12-02 12:55:39,210 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 12:55:39,210 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 12:55:39,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [272641663] [2024-12-02 12:55:39,211 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [272641663] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 12:55:39,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 12:55:39,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 12:55:39,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939413605] [2024-12-02 12:55:39,211 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 12:55:39,212 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 12:55:39,212 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 12:55:39,213 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 12:55:39,213 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:55:39,213 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 12:55:40,313 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 12:55:40,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 12:55:40,316 INFO L93 Difference]: Finished difference Result 111 states and 159 transitions. [2024-12-02 12:55:40,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 12:55:40,326 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) Word has length 133 [2024-12-02 12:55:40,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 12:55:40,327 INFO L225 Difference]: With dead ends: 111 [2024-12-02 12:55:40,327 INFO L226 Difference]: Without dead ends: 57 [2024-12-02 12:55:40,328 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 12:55:40,328 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-12-02 12:55:40,328 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 151 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-12-02 12:55:40,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2024-12-02 12:55:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2024-12-02 12:55:40,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 34 states have (on average 1.1176470588235294) internal successors, (38), 34 states have internal predecessors, (38), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2024-12-02 12:55:40,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 80 transitions. [2024-12-02 12:55:40,335 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 80 transitions. Word has length 133 [2024-12-02 12:55:40,336 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 12:55:40,336 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 80 transitions. [2024-12-02 12:55:40,337 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 1 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 1 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 12:55:40,337 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 80 transitions. [2024-12-02 12:55:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 12:55:40,339 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 12:55:40,339 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:55:40,345 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:40,539 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:40,539 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 12:55:40,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 12:55:40,540 INFO L85 PathProgramCache]: Analyzing trace with hash 619272699, now seen corresponding path program 1 times [2024-12-02 12:55:40,540 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 12:55:40,540 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1712341182] [2024-12-02 12:55:40,540 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 12:55:40,540 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 12:55:40,541 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 12:55:40,542 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:40,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 12:55:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 12:55:40,934 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 12:55:40,943 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 12:56:41,552 WARN L286 SmtUtils]: Spent 14.89s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:00:18,452 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 279 proven. 0 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2024-12-02 13:00:18,452 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:00:18,452 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:00:18,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1712341182] [2024-12-02 13:00:18,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1712341182] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:00:18,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:00:18,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2024-12-02 13:00:18,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [396611900] [2024-12-02 13:00:18,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:00:18,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-12-02 13:00:18,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:00:18,454 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-12-02 13:00:18,454 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=99, Invalid=321, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:00:18,455 INFO L87 Difference]: Start difference. First operand 57 states and 80 transitions. Second operand has 21 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 13:00:24,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:25,310 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:27,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:33,556 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:39,963 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:42,030 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:43,119 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:44,214 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:49,032 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.12s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:50,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:51,142 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:54,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.23s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:56,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:00:59,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.20s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:00,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:11,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:35,961 WARN L286 SmtUtils]: Spent 18.47s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:01:37,020 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:01:39,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:02:02,445 WARN L286 SmtUtils]: Spent 16.97s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-02 13:02:05,056 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:02:08,037 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:02:08,038 INFO L93 Difference]: Finished difference Result 202 states and 269 transitions. [2024-12-02 13:02:08,053 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-12-02 13:02:08,054 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) Word has length 134 [2024-12-02 13:02:08,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:02:08,056 INFO L225 Difference]: With dead ends: 202 [2024-12-02 13:02:08,056 INFO L226 Difference]: Without dead ends: 148 [2024-12-02 13:02:08,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 345 ImplicationChecksByTransitivity, 86.3s TimeCoverageRelationStatistics Valid=330, Invalid=1152, Unknown=0, NotChecked=0, Total=1482 [2024-12-02 13:02:08,057 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 91 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 61.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 520 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 62.3s IncrementalHoareTripleChecker+Time [2024-12-02 13:02:08,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 520 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 62.3s Time] [2024-12-02 13:02:08,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-12-02 13:02:08,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 123. [2024-12-02 13:02:08,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 74 states have (on average 1.0810810810810811) internal successors, (80), 74 states have internal predecessors, (80), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:02:08,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 164 transitions. [2024-12-02 13:02:08,088 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 164 transitions. Word has length 134 [2024-12-02 13:02:08,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:02:08,089 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 164 transitions. [2024-12-02 13:02:08,089 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 2.0952380952380953) internal successors, (44), 20 states have internal predecessors, (44), 4 states have call successors, (21), 4 states have call predecessors, (21), 5 states have return successors, (21), 5 states have call predecessors, (21), 4 states have call successors, (21) [2024-12-02 13:02:08,089 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 164 transitions. [2024-12-02 13:02:08,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-12-02 13:02:08,091 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:02:08,091 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:02:08,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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)] Forceful destruction successful, exit code 0 [2024-12-02 13:02:08,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 13:02:08,292 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:02:08,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:02:08,293 INFO L85 PathProgramCache]: Analyzing trace with hash 621119741, now seen corresponding path program 1 times [2024-12-02 13:02:08,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:02:08,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573038193] [2024-12-02 13:02:08,293 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:02:08,293 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 13:02:08,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:02:08,295 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 13:02:08,295 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 (5)] Waiting until timeout for monitored process [2024-12-02 13:02:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:02:08,576 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-12-02 13:02:08,579 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 13:10:18,001 INFO L134 CoverageAnalysis]: Checked inductivity of 840 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 780 trivial. 0 not checked. [2024-12-02 13:10:18,001 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 13:10:18,001 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 13:10:18,001 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573038193] [2024-12-02 13:10:18,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573038193] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 13:10:18,001 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 13:10:18,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-12-02 13:10:18,001 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1315804781] [2024-12-02 13:10:18,001 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 13:10:18,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-12-02 13:10:18,002 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 13:10:18,002 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-12-02 13:10:18,003 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2024-12-02 13:10:18,003 INFO L87 Difference]: Start difference. First operand 123 states and 164 transitions. Second operand has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 13:10:30,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-12-02 13:10:33,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 13:10:33,385 INFO L93 Difference]: Finished difference Result 148 states and 190 transitions. [2024-12-02 13:10:33,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-12-02 13:10:33,396 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) Word has length 134 [2024-12-02 13:10:33,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 13:10:33,397 INFO L225 Difference]: With dead ends: 148 [2024-12-02 13:10:33,397 INFO L226 Difference]: Without dead ends: 146 [2024-12-02 13:10:33,398 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 10.9s TimeCoverageRelationStatistics Valid=102, Invalid=318, Unknown=0, NotChecked=0, Total=420 [2024-12-02 13:10:33,398 INFO L435 NwaCegarLoop]: 53 mSDtfsCounter, 75 mSDsluCounter, 310 mSDsCounter, 0 mSdLazyCounter, 361 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 450 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 361 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2024-12-02 13:10:33,398 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 363 Invalid, 450 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 361 Invalid, 0 Unknown, 0 Unchecked, 8.5s Time] [2024-12-02 13:10:33,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-12-02 13:10:33,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 123. [2024-12-02 13:10:33,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 74 states have (on average 1.0810810810810811) internal successors, (80), 74 states have internal predecessors, (80), 42 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 13:10:33,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 164 transitions. [2024-12-02 13:10:33,415 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 164 transitions. Word has length 134 [2024-12-02 13:10:33,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 13:10:33,416 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 164 transitions. [2024-12-02 13:10:33,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 11 states have internal predecessors, (35), 1 states have call successors, (21), 1 states have call predecessors, (21), 2 states have return successors, (21), 2 states have call predecessors, (21), 1 states have call successors, (21) [2024-12-02 13:10:33,416 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 164 transitions. [2024-12-02 13:10:33,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-12-02 13:10:33,418 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 13:10:33,418 INFO L218 NwaCegarLoop]: trace histogram [21, 21, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:10:33,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 (5)] Forceful destruction successful, exit code 0 [2024-12-02 13:10:33,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 13:10:33,619 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 13:10:33,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 13:10:33,619 INFO L85 PathProgramCache]: Analyzing trace with hash 1522622265, now seen corresponding path program 1 times [2024-12-02 13:10:33,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 13:10:33,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047129346] [2024-12-02 13:10:33,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 13:10:33,620 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 13:10:33,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 13:10:33,621 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 13:10:33,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5d35845-2358-4add-80d1-202cc2e30614/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 13:10:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 13:10:33,944 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-02 13:10:33,948 INFO L279 TraceCheckSpWp]: Computing forward predicates...