./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.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_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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_a1a4120c-9118-4882-bdb3-fc856efc3785/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 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:37:11,302 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:37:11,357 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 10:37:11,362 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:37:11,362 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:37:11,383 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:37:11,384 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:37:11,384 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:37:11,385 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:37:11,385 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:37:11,385 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:37:11,385 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:37:11,385 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:37:11,386 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:37:11,386 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:37:11,387 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:37:11,387 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:37:11,387 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:37:11,388 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:37:11,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:37:11,389 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_a1a4120c-9118-4882-bdb3-fc856efc3785/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 -> 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 [2024-12-02 10:37:11,621 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:37:11,629 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:37:11,631 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:37:11,632 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:37:11,633 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:37:11,634 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-12-02 10:37:14,288 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/ddc94d143/21faf2542f234b6c9d3652e782e852bc/FLAG570be63de [2024-12-02 10:37:14,476 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:37:14,476 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-12-02 10:37:14,484 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/ddc94d143/21faf2542f234b6c9d3652e782e852bc/FLAG570be63de [2024-12-02 10:37:14,497 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/ddc94d143/21faf2542f234b6c9d3652e782e852bc [2024-12-02 10:37:14,499 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:37:14,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:37:14,502 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:37:14,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:37:14,506 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:37:14,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,507 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@509995e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14, skipping insertion in model container [2024-12-02 10:37:14,507 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,523 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:37:14,649 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_a1a4120c-9118-4882-bdb3-fc856efc3785/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2024-12-02 10:37:14,687 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:37:14,697 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:37:14,707 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_a1a4120c-9118-4882-bdb3-fc856efc3785/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2024-12-02 10:37:14,725 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:37:14,740 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:37:14,740 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14 WrapperNode [2024-12-02 10:37:14,741 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:37:14,742 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:37:14,742 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:37:14,742 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:37:14,748 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,755 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,777 INFO L138 Inliner]: procedures = 26, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 122 [2024-12-02 10:37:14,778 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:37:14,778 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:37:14,778 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:37:14,778 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:37:14,788 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,788 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,790 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,802 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 10:37:14,803 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,803 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,808 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,810 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,813 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,814 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,815 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,817 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:37:14,818 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:37:14,818 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:37:14,818 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:37:14,819 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (1/1) ... [2024-12-02 10:37:14,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:37:14,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:37:14,848 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:37:14,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:37:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:37:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:37:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:37:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 10:37:14,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:37:14,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:37:14,927 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:37:14,929 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:37:15,135 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 10:37:15,135 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:37:15,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:37:15,146 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:37:15,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:15 BoogieIcfgContainer [2024-12-02 10:37:15,146 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:37:15,148 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:37:15,149 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:37:15,152 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:37:15,152 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:37:14" (1/3) ... [2024-12-02 10:37:15,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c28e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:37:15, skipping insertion in model container [2024-12-02 10:37:15,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:14" (2/3) ... [2024-12-02 10:37:15,153 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c28e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:37:15, skipping insertion in model container [2024-12-02 10:37:15,153 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:15" (3/3) ... [2024-12-02 10:37:15,154 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-96.i [2024-12-02 10:37:15,167 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:37:15,169 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-96.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:37:15,221 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:37:15,232 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;@6bb34a35, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:37:15,232 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:37:15,235 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 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 10:37:15,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 10:37:15,245 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:37:15,246 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] [2024-12-02 10:37:15,246 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:37:15,251 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:37:15,251 INFO L85 PathProgramCache]: Analyzing trace with hash -1639088171, now seen corresponding path program 1 times [2024-12-02 10:37:15,257 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:37:15,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788384015] [2024-12-02 10:37:15,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:37:15,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:37:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:37:15,726 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 10:37:15,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 10:37:15,726 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1788384015] [2024-12-02 10:37:15,727 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1788384015] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:37:15,727 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:37:15,727 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 10:37:15,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216172341] [2024-12-02 10:37:15,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:37:15,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:37:15,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 10:37:15,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:37:15,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:37:15,751 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 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 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 10:37:15,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:37:15,822 INFO L93 Difference]: Finished difference Result 163 states and 294 transitions. [2024-12-02 10:37:15,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:37:15,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 130 [2024-12-02 10:37:15,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:37:15,831 INFO L225 Difference]: With dead ends: 163 [2024-12-02 10:37:15,831 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 10:37:15,835 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 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 10:37:15,837 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 38 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 10:37:15,838 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 147 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 10:37:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 10:37:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-12-02 10:37:15,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 60 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 10:37:15,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 155 transitions. [2024-12-02 10:37:15,883 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 155 transitions. Word has length 130 [2024-12-02 10:37:15,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:37:15,884 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 155 transitions. [2024-12-02 10:37:15,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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 10:37:15,885 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 155 transitions. [2024-12-02 10:37:15,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 10:37:15,887 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:37:15,887 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] [2024-12-02 10:37:15,888 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 10:37:15,888 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:37:15,888 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:37:15,889 INFO L85 PathProgramCache]: Analyzing trace with hash 135919191, now seen corresponding path program 1 times [2024-12-02 10:37:15,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 10:37:15,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102494145] [2024-12-02 10:37:15,889 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:37:15,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 10:37:15,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-02 10:37:15,976 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [934408347] [2024-12-02 10:37:15,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:37:15,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:37:15,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:37:15,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-12-02 10:37:15,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-12-02 10:37:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:37:16,134 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-02 10:37:16,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-02 10:37:16,241 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-12-02 10:37:16,242 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-12-02 10:37:16,243 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 10:37:16,255 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-12-02 10:37:16,445 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-12-02 10:37:16,454 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1] [2024-12-02 10:37:16,622 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 10:37:16,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 10:37:16 BoogieIcfgContainer [2024-12-02 10:37:16,625 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 10:37:16,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 10:37:16,626 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 10:37:16,626 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 10:37:16,626 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:15" (3/4) ... [2024-12-02 10:37:16,629 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-02 10:37:16,629 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 10:37:16,630 INFO L158 Benchmark]: Toolchain (without parser) took 2129.99ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 69.0MB in the end (delta: 23.5MB). Peak memory consumption was 23.3MB. Max. memory is 16.1GB. [2024-12-02 10:37:16,631 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:37:16,631 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.31ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:37:16,631 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.24ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:37:16,631 INFO L158 Benchmark]: Boogie Preprocessor took 39.26ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:37:16,632 INFO L158 Benchmark]: RCFGBuilder took 328.39ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 58.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 10:37:16,632 INFO L158 Benchmark]: TraceAbstraction took 1476.39ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 69.0MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:37:16,632 INFO L158 Benchmark]: Witness Printer took 4.07ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 69.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 10:37:16,633 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.31ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.24ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.5MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 39.26ms. Allocated memory is still 117.4MB. Free memory was 77.5MB in the beginning and 74.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 328.39ms. Allocated memory is still 117.4MB. Free memory was 74.7MB in the beginning and 58.5MB in the end (delta: 16.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1476.39ms. Allocated memory is still 117.4MB. Free memory was 58.0MB in the beginning and 69.0MB in the end (delta: -11.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.07ms. Allocated memory is still 117.4MB. Free memory was 69.0MB in the beginning and 69.0MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 106, overapproximation of someBinaryFLOATComparisonOperation at line 96, overapproximation of someBinaryFLOATComparisonOperation at line 98, overapproximation of someBinaryArithmeticFLOAToperation at line 56. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 8; [L23] unsigned char var_1_2 = 0; [L24] unsigned short int var_1_3 = 8; [L25] unsigned short int var_1_4 = 1000; [L26] unsigned char var_1_5 = 1; [L27] unsigned char var_1_6 = 0; [L28] unsigned char var_1_7 = 1; [L29] unsigned char var_1_8 = 1; [L30] unsigned char var_1_9 = 1; [L31] float var_1_10 = 0.125; [L32] signed long int var_1_11 = 50; [L33] float var_1_12 = 1000000000000.45; [L34] float var_1_13 = 128.5; [L35] float var_1_14 = 10000000.625; [L36] signed char var_1_15 = -5; [L37] signed char var_1_16 = 10; VAL [isInitial=0, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L110] isInitial = 1 [L111] FCALL initially() [L113] FCALL updateLastVariables() [L114] CALL updateVariables() [L70] var_1_2 = __VERIFIER_nondet_uchar() [L71] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L71] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L72] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=8, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L73] var_1_3 = __VERIFIER_nondet_ushort() [L74] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L74] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] CALL assume_abort_if_not(var_1_3 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L75] RET assume_abort_if_not(var_1_3 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=1000, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L76] var_1_4 = __VERIFIER_nondet_ushort() [L77] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L77] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] CALL assume_abort_if_not(var_1_4 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L78] RET assume_abort_if_not(var_1_4 <= 65534) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=0, var_1_7=1, var_1_8=1, var_1_9=1] [L79] var_1_6 = __VERIFIER_nondet_uchar() [L80] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L80] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L81] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=1, var_1_8=1, var_1_9=1] [L82] var_1_7 = __VERIFIER_nondet_uchar() [L83] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L83] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_8=1, var_1_9=1] [L84] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L84] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=1, var_1_9=1] [L85] var_1_8 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L86] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_9=1] [L87] CALL assume_abort_if_not(var_1_8 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L87] RET assume_abort_if_not(var_1_8 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L88] var_1_9 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_9 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L89] RET assume_abort_if_not(var_1_9 >= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L90] CALL assume_abort_if_not(var_1_9 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L90] RET assume_abort_if_not(var_1_9 <= 1) VAL [isInitial=1, var_1_10=1/8, var_1_11=50, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L91] var_1_11 = __VERIFIER_nondet_long() [L92] CALL assume_abort_if_not(var_1_11 >= -2147483648) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L92] RET assume_abort_if_not(var_1_11 >= -2147483648) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L93] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L93] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L94] CALL assume_abort_if_not(var_1_11 != 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L94] RET assume_abort_if_not(var_1_11 != 0) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_12=20000000000009/20, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L95] var_1_12 = __VERIFIER_nondet_float() [L96] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L96] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 4611686.018427382800e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_13=257/2, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L97] var_1_13 = __VERIFIER_nondet_float() [L98] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L98] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 4611686.018427382800e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=10, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L99] var_1_16 = __VERIFIER_nondet_char() [L100] CALL assume_abort_if_not(var_1_16 >= -127) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L100] RET assume_abort_if_not(var_1_16 >= -127) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L101] CALL assume_abort_if_not(var_1_16 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L101] RET assume_abort_if_not(var_1_16 <= 126) VAL [isInitial=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L114] RET updateVariables() [L115] CALL step() [L41] unsigned char stepLocal_0 = var_1_6; VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L42] COND FALSE !(\read(var_1_2)) VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_14=80000005/8, var_1_15=-5, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L47] var_1_14 = var_1_12 [L48] var_1_15 = var_1_16 VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=8, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L49] COND FALSE !(! var_1_5) [L52] var_1_1 = var_1_4 VAL [isInitial=1, stepLocal_0=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L54] signed long int stepLocal_1 = -2 / var_1_11; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=1, var_1_10=1/8, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L55] COND TRUE stepLocal_1 > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1) [L56] var_1_10 = ((var_1_12 - var_1_13) + 9.8f) VAL [isInitial=1, stepLocal_0=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L115] RET step() [L116] CALL, EXPR property() [L106-L107] return (((((! var_1_5) ? (var_1_1 == ((unsigned short int) ((((var_1_3) < (var_1_4)) ? (var_1_3) : (var_1_4))))) : (var_1_1 == ((unsigned short int) var_1_4))) && (var_1_2 ? ((var_1_6 && (var_1_7 || var_1_8)) ? (var_1_5 == ((unsigned char) var_1_9)) : 1) : 1)) && (((-2 / var_1_11) > (((((var_1_4) > (var_1_3)) ? (var_1_4) : (var_1_3))) * var_1_1)) ? (var_1_10 == ((float) ((var_1_12 - var_1_13) + 9.8f))) : (var_1_5 ? (var_1_5 ? (var_1_10 == ((float) var_1_12)) : (var_1_10 == ((float) var_1_13))) : (var_1_10 == ((float) var_1_12))))) && (var_1_14 == ((float) var_1_12))) && (var_1_15 == ((signed char) var_1_16)) ; VAL [\result=0, isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] [L19] reach_error() VAL [isInitial=1, var_1_11=-1, var_1_12=2, var_1_14=2, var_1_15=-127, var_1_16=-127, var_1_1=0, var_1_2=0, var_1_3=0, var_1_4=0, var_1_5=1, var_1_6=1, var_1_7=0, var_1_8=0, var_1_9=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 2, TraceHistogramMax: 21, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 38 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 38 mSDsluCounter, 147 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 12 IncrementalHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 77 mSDtfsCounter, 12 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=105occurred in iteration=1, InterpolantAutomatonStates: 3, 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, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 390 NumberOfCodeBlocks, 390 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 129 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 840/840 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 10:37:16,649 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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_a1a4120c-9118-4882-bdb3-fc856efc3785/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 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 10:37:18,573 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 10:37:18,656 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-12-02 10:37:18,663 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 10:37:18,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 10:37:18,686 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 10:37:18,687 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 10:37:18,687 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 10:37:18,687 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 10:37:18,687 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 10:37:18,688 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 10:37:18,688 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 10:37:18,688 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 10:37:18,688 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 10:37:18,688 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 10:37:18,688 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 10:37:18,688 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 10:37:18,688 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 10:37:18,689 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 10:37:18,690 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:37:18,690 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:37:18,690 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 10:37:18,690 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 10:37:18,691 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 10:37:18,691 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_a1a4120c-9118-4882-bdb3-fc856efc3785/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 -> 716bfe2f08f3d889af4fbe3a20c3c7ce3c563f93492828976757cbf85be2aae7 [2024-12-02 10:37:18,937 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 10:37:18,945 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 10:37:18,947 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 10:37:18,949 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 10:37:18,949 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 10:37:18,950 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-12-02 10:37:21,637 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/0820abd7c/73608d7463414e0b80361113d4402c4c/FLAG81e56fe35 [2024-12-02 10:37:21,808 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 10:37:21,809 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i [2024-12-02 10:37:21,817 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/0820abd7c/73608d7463414e0b80361113d4402c4c/FLAG81e56fe35 [2024-12-02 10:37:21,831 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/data/0820abd7c/73608d7463414e0b80361113d4402c4c [2024-12-02 10:37:21,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 10:37:21,835 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 10:37:21,836 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 10:37:21,836 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 10:37:21,841 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 10:37:21,842 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:21" (1/1) ... [2024-12-02 10:37:21,842 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8a921d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:21, skipping insertion in model container [2024-12-02 10:37:21,843 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 10:37:21" (1/1) ... [2024-12-02 10:37:21,859 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 10:37:21,983 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_a1a4120c-9118-4882-bdb3-fc856efc3785/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2024-12-02 10:37:22,020 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:37:22,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 10:37:22,046 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_a1a4120c-9118-4882-bdb3-fc856efc3785/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-96.i[915,928] [2024-12-02 10:37:22,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 10:37:22,076 INFO L204 MainTranslator]: Completed translation [2024-12-02 10:37:22,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22 WrapperNode [2024-12-02 10:37:22,077 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 10:37:22,078 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 10:37:22,078 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 10:37:22,078 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 10:37:22,084 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,091 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,111 INFO L138 Inliner]: procedures = 27, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-12-02 10:37:22,111 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 10:37:22,111 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 10:37:22,112 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 10:37:22,112 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 10:37:22,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,120 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,122 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,131 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 10:37:22,131 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,131 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,136 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,137 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,140 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 10:37:22,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 10:37:22,146 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 10:37:22,146 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 10:37:22,147 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (1/1) ... [2024-12-02 10:37:22,152 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 10:37:22,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 10:37:22,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 10:37:22,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 10:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 10:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-12-02 10:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-02 10:37:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-02 10:37:22,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 10:37:22,204 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 10:37:22,264 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 10:37:22,265 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 10:37:23,385 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-12-02 10:37:23,385 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 10:37:23,392 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 10:37:23,392 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-02 10:37:23,392 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:23 BoogieIcfgContainer [2024-12-02 10:37:23,393 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 10:37:23,394 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 10:37:23,394 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 10:37:23,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 10:37:23,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 10:37:21" (1/3) ... [2024-12-02 10:37:23,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ba2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:37:23, skipping insertion in model container [2024-12-02 10:37:23,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 10:37:22" (2/3) ... [2024-12-02 10:37:23,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@448ba2de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 10:37:23, skipping insertion in model container [2024-12-02 10:37:23,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 10:37:23" (3/3) ... [2024-12-02 10:37:23,399 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_operatoramount_amount25_file-96.i [2024-12-02 10:37:23,409 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 10:37:23,410 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_operatoramount_amount25_file-96.i that has 2 procedures, 59 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-12-02 10:37:23,445 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 10:37:23,453 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;@6051334d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 10:37:23,453 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 10:37:23,455 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 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 10:37:23,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 10:37:23,462 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:37:23,463 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] [2024-12-02 10:37:23,463 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:37:23,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:37:23,467 INFO L85 PathProgramCache]: Analyzing trace with hash -1639088171, now seen corresponding path program 1 times [2024-12-02 10:37:23,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:37:23,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2025547497] [2024-12-02 10:37:23,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:37:23,476 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 10:37:23,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:37:23,478 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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 10:37:23,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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 10:37:23,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:37:23,728 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-02 10:37:23,736 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:37:24,237 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 10:37:24,237 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-12-02 10:37:24,238 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-12-02 10:37:24,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2025547497] [2024-12-02 10:37:24,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2025547497] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 10:37:24,239 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 10:37:24,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 10:37:24,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504515710] [2024-12-02 10:37:24,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 10:37:24,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 10:37:24,246 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-12-02 10:37:24,263 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 10:37:24,264 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 10:37:24,266 INFO L87 Difference]: Start difference. First operand has 59 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 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 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 10:37:25,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 10:37:25,092 INFO L93 Difference]: Finished difference Result 163 states and 294 transitions. [2024-12-02 10:37:25,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 10:37:25,093 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 130 [2024-12-02 10:37:25,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 10:37:25,100 INFO L225 Difference]: With dead ends: 163 [2024-12-02 10:37:25,100 INFO L226 Difference]: Without dead ends: 107 [2024-12-02 10:37:25,103 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 128 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 10:37:25,106 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 14 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-12-02 10:37:25,106 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 147 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-12-02 10:37:25,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-12-02 10:37:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 105. [2024-12-02 10:37:25,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 60 states have (on average 1.1833333333333333) internal successors, (71), 60 states have internal predecessors, (71), 42 states have call successors, (42), 2 states have call predecessors, (42), 2 states have return successors, (42), 42 states have call predecessors, (42), 42 states have call successors, (42) [2024-12-02 10:37:25,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 155 transitions. [2024-12-02 10:37:25,152 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 155 transitions. Word has length 130 [2024-12-02 10:37:25,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 10:37:25,153 INFO L471 AbstractCegarLoop]: Abstraction has 105 states and 155 transitions. [2024-12-02 10:37:25,154 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 10:37:25,154 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 155 transitions. [2024-12-02 10:37:25,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2024-12-02 10:37:25,156 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 10:37:25,156 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] [2024-12-02 10:37:25,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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 10:37:25,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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 10:37:25,357 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 10:37:25,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 10:37:25,358 INFO L85 PathProgramCache]: Analyzing trace with hash 135919191, now seen corresponding path program 1 times [2024-12-02 10:37:25,359 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-12-02 10:37:25,359 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338725873] [2024-12-02 10:37:25,359 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 10:37:25,359 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 10:37:25,359 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/bin/uautomizer-verify-84ZbGMXZE1/mathsat [2024-12-02 10:37:25,361 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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 10:37:25,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a1a4120c-9118-4882-bdb3-fc856efc3785/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 10:37:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 10:37:25,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 28 conjuncts are in the unsatisfiable core [2024-12-02 10:37:25,907 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-02 10:37:51,761 WARN L286 SmtUtils]: Spent 8.93s on a formula simplification that was a NOOP. DAG size: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)