./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.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_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB --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 a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:57:29,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:57:29,954 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 03:57:29,959 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:57:29,960 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:57:29,982 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:57:29,983 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:57:29,983 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:57:29,983 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:57:29,983 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:57:29,984 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:57:29,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:57:29,984 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:57:29,984 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:57:29,984 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:57:29,985 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:57:29,985 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:57:29,985 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:57:29,985 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:57:29,985 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:57:29,985 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:57:29,986 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:57:29,986 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:29,987 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:29,987 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:29,988 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:57:29,988 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:57:29,989 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:57:29,989 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:57:29,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:57:29,989 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_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 [2024-11-28 03:57:30,309 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:57:30,317 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:57:30,320 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:57:30,321 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:57:30,321 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:57:30,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i [2024-11-28 03:57:33,583 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/65a00778d/88abd9c268764ae69d45a20ed10edad0/FLAG3212efc39 [2024-11-28 03:57:33,916 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:57:33,916 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i [2024-11-28 03:57:33,926 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/65a00778d/88abd9c268764ae69d45a20ed10edad0/FLAG3212efc39 [2024-11-28 03:57:34,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/65a00778d/88abd9c268764ae69d45a20ed10edad0 [2024-11-28 03:57:34,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:57:34,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:57:34,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:34,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:57:34,195 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:57:34,199 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,200 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b50b7b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34, skipping insertion in model container [2024-11-28 03:57:34,200 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,232 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:57:34,443 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_d8d0c9d6-829b-4444-87fb-502543b1e90c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-11-28 03:57:34,536 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:34,558 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:57:34,575 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_d8d0c9d6-829b-4444-87fb-502543b1e90c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-11-28 03:57:34,618 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:34,638 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:57:34,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34 WrapperNode [2024-11-28 03:57:34,640 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:34,641 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:34,641 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:57:34,643 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:57:34,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,676 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,736 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 149 [2024-11-28 03:57:34,741 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:34,742 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:57:34,742 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:57:34,742 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:57:34,756 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,759 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,782 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:57:34,782 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,783 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,790 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,791 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,798 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,804 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:57:34,805 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:57:34,805 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:57:34,805 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:57:34,806 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (1/1) ... [2024-11-28 03:57:34,814 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:34,837 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:34,860 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:57:34,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:57:34,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:57:34,901 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:57:34,901 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:57:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:57:34,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:57:34,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:57:35,025 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:57:35,029 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:57:35,574 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-11-28 03:57:35,574 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:57:35,587 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:57:35,588 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:57:35,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:35 BoogieIcfgContainer [2024-11-28 03:57:35,589 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:57:35,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:57:35,592 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:57:35,599 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:57:35,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:57:34" (1/3) ... [2024-11-28 03:57:35,600 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6363509e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:35, skipping insertion in model container [2024-11-28 03:57:35,600 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:34" (2/3) ... [2024-11-28 03:57:35,601 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6363509e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:35, skipping insertion in model container [2024-11-28 03:57:35,601 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:35" (3/3) ... [2024-11-28 03:57:35,603 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-81.i [2024-11-28 03:57:35,624 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:57:35,626 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-81.i that has 2 procedures, 67 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:57:35,709 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:57:35,731 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;@2aa90be2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:57:35,731 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:57:35,736 INFO L276 IsEmpty]: Start isEmpty. Operand has 67 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:57:35,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:57:35,753 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:35,754 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:35,755 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:35,763 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:35,764 INFO L85 PathProgramCache]: Analyzing trace with hash -978126662, now seen corresponding path program 1 times [2024-11-28 03:57:35,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:35,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [661675353] [2024-11-28 03:57:35,775 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:35,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:36,188 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 03:57:36,189 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:36,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [661675353] [2024-11-28 03:57:36,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [661675353] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-28 03:57:36,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [758810892] [2024-11-28 03:57:36,194 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:36,194 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:36,194 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:36,198 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:57:36,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:57:36,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:36,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:57:36,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:36,466 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-28 03:57:36,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:36,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [758810892] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:36,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-28 03:57:36,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-28 03:57:36,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284363381] [2024-11-28 03:57:36,471 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:36,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:57:36,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:36,506 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:57:36,506 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:57:36,510 INFO L87 Difference]: Start difference. First operand has 67 states, 46 states have (on average 1.391304347826087) internal successors, (64), 47 states have internal predecessors, (64), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:57:36,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:36,553 INFO L93 Difference]: Finished difference Result 127 states and 212 transitions. [2024-11-28 03:57:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:57:36,559 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) Word has length 119 [2024-11-28 03:57:36,559 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:36,568 INFO L225 Difference]: With dead ends: 127 [2024-11-28 03:57:36,568 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 03:57:36,572 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 120 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:57:36,576 INFO L435 NwaCegarLoop]: 93 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:36,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:36,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 03:57:36,618 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-28 03:57:36,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:57:36,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 93 transitions. [2024-11-28 03:57:36,628 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 93 transitions. Word has length 119 [2024-11-28 03:57:36,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:36,628 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 93 transitions. [2024-11-28 03:57:36,629 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (18), 2 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:57:36,629 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 93 transitions. [2024-11-28 03:57:36,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-28 03:57:36,632 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:36,633 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:36,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:57:36,833 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:57:36,834 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:36,835 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:36,835 INFO L85 PathProgramCache]: Analyzing trace with hash -1362127102, now seen corresponding path program 1 times [2024-11-28 03:57:36,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:36,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1116302008] [2024-11-28 03:57:36,836 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:36,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:36,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:37,384 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 03:57:37,384 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:37,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1116302008] [2024-11-28 03:57:37,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1116302008] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:37,385 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:37,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:57:37,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1622127054] [2024-11-28 03:57:37,385 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:37,390 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:57:37,391 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:37,391 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:57:37,391 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:57:37,392 INFO L87 Difference]: Start difference. First operand 63 states and 93 transitions. Second operand has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:57:37,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:37,717 INFO L93 Difference]: Finished difference Result 184 states and 274 transitions. [2024-11-28 03:57:37,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:57:37,718 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 119 [2024-11-28 03:57:37,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:37,747 INFO L225 Difference]: With dead ends: 184 [2024-11-28 03:57:37,747 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 03:57:37,747 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:37,749 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 69 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:37,750 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 237 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:57:37,751 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 03:57:37,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2024-11-28 03:57:37,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.3026315789473684) internal successors, (99), 76 states have internal predecessors, (99), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 03:57:37,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 171 transitions. [2024-11-28 03:57:37,782 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 171 transitions. Word has length 119 [2024-11-28 03:57:37,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:37,784 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 171 transitions. [2024-11-28 03:57:37,784 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.0) internal successors, (32), 4 states have internal predecessors, (32), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:57:37,784 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 171 transitions. [2024-11-28 03:57:37,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-28 03:57:37,786 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:37,786 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:37,786 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:57:37,787 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:37,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:37,787 INFO L85 PathProgramCache]: Analyzing trace with hash 1925820695, now seen corresponding path program 1 times [2024-11-28 03:57:37,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:37,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599856805] [2024-11-28 03:57:37,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:37,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:37,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 03:57:38,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:57:38,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599856805] [2024-11-28 03:57:38,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599856805] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:38,090 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:38,090 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:57:38,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1094801205] [2024-11-28 03:57:38,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:38,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:57:38,091 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:57:38,091 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:57:38,091 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:57:38,091 INFO L87 Difference]: Start difference. First operand 115 states and 171 transitions. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:57:38,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:38,330 INFO L93 Difference]: Finished difference Result 197 states and 291 transitions. [2024-11-28 03:57:38,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:57:38,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 120 [2024-11-28 03:57:38,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:38,333 INFO L225 Difference]: With dead ends: 197 [2024-11-28 03:57:38,333 INFO L226 Difference]: Without dead ends: 124 [2024-11-28 03:57:38,334 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:38,337 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 61 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:38,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 245 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:57:38,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-28 03:57:38,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 115. [2024-11-28 03:57:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 76 states have (on average 1.2763157894736843) internal successors, (97), 76 states have internal predecessors, (97), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 03:57:38,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 169 transitions. [2024-11-28 03:57:38,380 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 169 transitions. Word has length 120 [2024-11-28 03:57:38,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:38,381 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 169 transitions. [2024-11-28 03:57:38,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:57:38,381 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 169 transitions. [2024-11-28 03:57:38,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-11-28 03:57:38,390 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:38,390 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:38,390 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:57:38,390 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:38,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:38,391 INFO L85 PathProgramCache]: Analyzing trace with hash -1185159526, now seen corresponding path program 1 times [2024-11-28 03:57:38,391 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:57:38,391 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984655466] [2024-11-28 03:57:38,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:38,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:57:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:57:38,521 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:57:38,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:57:38,673 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:57:38,673 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:57:38,675 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:57:38,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:57:38,681 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 03:57:38,793 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:57:38,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:57:38 BoogieIcfgContainer [2024-11-28 03:57:38,799 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:57:38,800 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:57:38,800 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:57:38,800 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:57:38,802 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:35" (3/4) ... [2024-11-28 03:57:38,804 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:57:38,805 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:57:38,807 INFO L158 Benchmark]: Toolchain (without parser) took 4622.27ms. Allocated memory is still 117.4MB. Free memory was 92.7MB in the beginning and 60.7MB in the end (delta: 32.0MB). Peak memory consumption was 31.4MB. Max. memory is 16.1GB. [2024-11-28 03:57:38,807 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:38,807 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.73ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.3MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:57:38,808 INFO L158 Benchmark]: Boogie Procedure Inliner took 100.34ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:38,808 INFO L158 Benchmark]: Boogie Preprocessor took 62.09ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 73.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:38,808 INFO L158 Benchmark]: RCFGBuilder took 783.97ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 54.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 03:57:38,808 INFO L158 Benchmark]: TraceAbstraction took 3207.72ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 60.7MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:38,809 INFO L158 Benchmark]: Witness Printer took 5.70ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 60.7MB in the end (delta: 21.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:57:38,813 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 73.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.73ms. Allocated memory is still 117.4MB. Free memory was 92.5MB in the beginning and 79.3MB in the end (delta: 13.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 100.34ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 76.6MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 62.09ms. Allocated memory is still 117.4MB. Free memory was 76.6MB in the beginning and 73.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 783.97ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 54.9MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3207.72ms. Allocated memory is still 117.4MB. Free memory was 54.2MB in the beginning and 60.7MB in the end (delta: -6.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.70ms. Allocated memory is still 117.4MB. Free memory was 60.7MB in the beginning and 60.7MB 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 someBinaryArithmeticDOUBLEoperation at line 67, overapproximation of bitwiseOr at line 43, overapproximation of someBinaryDOUBLEComparisonOperation at line 77, overapproximation of someBinaryDOUBLEComparisonOperation at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someBinaryDOUBLEComparisonOperation at line 81, overapproximation of someBinaryDOUBLEComparisonOperation at line 67, overapproximation of someBinaryDOUBLEComparisonOperation at line 106, overapproximation of someBinaryDOUBLEComparisonOperation at line 106. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 9999.5; [L23] unsigned char var_1_2 = 1; [L24] double var_1_3 = 4.5; [L25] double var_1_4 = 2.5; [L26] double var_1_5 = 0.0; [L27] double var_1_6 = 999999999.3; [L28] signed char var_1_7 = -128; [L29] signed char var_1_11 = 16; [L30] signed char var_1_12 = 16; [L31] unsigned short int var_1_13 = 5; [L32] unsigned char var_1_14 = 1; [L33] unsigned short int var_1_15 = 16; [L34] unsigned short int var_1_16 = 32647; [L35] unsigned short int var_1_17 = 128; [L36] signed long int var_1_18 = -8; [L37] unsigned short int last_1_var_1_13 = 5; [L38] signed long int last_1_var_1_18 = -8; VAL [isInitial=0, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L110] isInitial = 1 [L111] FCALL initially() [L113] CALL updateLastVariables() [L102] last_1_var_1_13 = var_1_13 [L103] last_1_var_1_18 = var_1_18 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L113] RET updateLastVariables() [L114] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_uchar() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L73] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L73] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_3=9/2, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L74] var_1_3 = __VERIFIER_nondet_double() [L75] CALL assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L75] RET assume_abort_if_not((var_1_3 >= -922337.2036854765600e+13F && var_1_3 <= -1.0e-20F) || (var_1_3 <= 9223372.036854765600e+12F && var_1_3 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_4=5/2, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L76] var_1_4 = __VERIFIER_nondet_double() [L77] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L77] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_5=0, var_1_6=9999999993/10, var_1_7=-128] [L78] var_1_5 = __VERIFIER_nondet_double() [L79] CALL assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_6=9999999993/10, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_6=9999999993/10, var_1_7=-128] [L79] RET assume_abort_if_not((var_1_5 >= 4611686.018427382800e+12F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_6=9999999993/10, var_1_7=-128] [L80] var_1_6 = __VERIFIER_nondet_double() [L81] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L81] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=16, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L82] var_1_11 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L83] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L84] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L84] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=16, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L85] var_1_12 = __VERIFIER_nondet_char() [L86] CALL assume_abort_if_not(var_1_12 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L86] RET assume_abort_if_not(var_1_12 >= -63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L87] CALL assume_abort_if_not(var_1_12 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L87] RET assume_abort_if_not(var_1_12 <= 63) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=1, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L88] var_1_14 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L89] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L90] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L90] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=16, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L91] var_1_15 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L92] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L93] CALL assume_abort_if_not(var_1_15 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L93] RET assume_abort_if_not(var_1_15 <= 65534) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=32647, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L94] var_1_16 = __VERIFIER_nondet_ushort() [L95] CALL assume_abort_if_not(var_1_16 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L95] RET assume_abort_if_not(var_1_16 >= 16383) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L96] CALL assume_abort_if_not(var_1_16 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L96] RET assume_abort_if_not(var_1_16 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=128, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L97] var_1_17 = __VERIFIER_nondet_ushort() [L98] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L98] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L99] CALL assume_abort_if_not(var_1_17 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L99] RET assume_abort_if_not(var_1_17 <= 32767) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L114] RET updateVariables() [L115] CALL step() [L42] signed long int stepLocal_0 = (((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18)); VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L43] EXPR last_1_var_1_18 ^ last_1_var_1_13 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_0=-25, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-128] [L43] COND FALSE !(stepLocal_0 != (last_1_var_1_18 ^ last_1_var_1_13)) [L48] var_1_7 = ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L50] unsigned char stepLocal_1 = var_1_11 >= var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_1=1, var_1_11=-1, var_1_12=63, var_1_13=5, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L51] COND FALSE !(stepLocal_1 && var_1_14) [L54] var_1_13 = ((var_1_16 - 5) + var_1_17) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L56] signed char stepLocal_2 = var_1_7; VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, stepLocal_2=-1, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=-8, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L57] COND FALSE !(stepLocal_2 > var_1_16) [L64] var_1_18 = var_1_15 VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=19999/2, var_1_2=1, var_1_7=-1] [L66] COND TRUE \read(var_1_2) [L67] var_1_1 = ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] [L115] RET step() [L116] CALL, EXPR property() [L106] EXPR (var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11)))))) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] [L106-L107] return (((var_1_2 ? (var_1_1 == ((double) ((((var_1_3) > ((var_1_4 - (var_1_5 - var_1_6)))) ? (var_1_3) : ((var_1_4 - (var_1_5 - var_1_6))))))) : 1) && ((((((-25) < (last_1_var_1_18)) ? (-25) : (last_1_var_1_18))) != (last_1_var_1_18 ^ last_1_var_1_13)) ? (var_1_2 ? (var_1_7 == ((signed char) (var_1_11 + var_1_12))) : 1) : (var_1_7 == ((signed char) ((((var_1_12) < (var_1_11)) ? (var_1_12) : (var_1_11))))))) && (((var_1_11 >= var_1_7) && var_1_14) ? (var_1_13 == ((unsigned short int) ((((var_1_15) < (100)) ? (var_1_15) : (100))))) : (var_1_13 == ((unsigned short int) ((var_1_16 - 5) + var_1_17))))) && ((var_1_7 > var_1_16) ? ((var_1_3 < (var_1_5 - var_1_6)) ? (var_1_18 == ((signed long int) ((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15))))) : (var_1_18 == ((signed long int) var_1_13))) : (var_1_18 == ((signed long int) var_1_15))) ; [L116] RET, EXPR property() [L116] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] [L19] reach_error() VAL [isInitial=1, last_1_var_1_13=5, last_1_var_1_18=-8, var_1_11=-1, var_1_12=63, var_1_13=49145, var_1_14=0, var_1_15=100, var_1_16=16383, var_1_17=-32769, var_1_18=100, var_1_1=1000000004, var_1_2=1, var_1_3=1000000004, var_1_7=-1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.0s, OverallIterations: 4, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 130 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 575 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 314 mSDsCounter, 114 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 64 IncrementalHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 114 mSolverCounterUnsat, 261 mSDtfsCounter, 64 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=2, InterpolantAutomatonStates: 10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 3 MinimizatonAttempts, 18 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 599 NumberOfCodeBlocks, 599 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 473 ConstructedInterpolants, 0 QuantifiedInterpolants, 871 SizeOfPredicates, 0 NumberOfNonLiveVariables, 277 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 2414/2448 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 03:57:38,836 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/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_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB --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 a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:57:41,913 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:57:42,080 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-28 03:57:42,088 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:57:42,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:57:42,118 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:57:42,119 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:57:42,119 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:57:42,120 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:57:42,120 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:57:42,120 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:57:42,120 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:57:42,121 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:57:42,121 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:57:42,121 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:57:42,121 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:57:42,121 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:57:42,121 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 03:57:42,121 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:57:42,122 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:57:42,123 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 03:57:42,123 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:57:42,123 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:57:42,123 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:57:42,123 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:57:42,123 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:42,123 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:42,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:42,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:42,124 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:57:42,124 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:57:42,124 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:57:42,124 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:57:42,124 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:42,125 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:57:42,125 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:57:42,126 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:57:42,126 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_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB 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 -> a0fbbd00ac0039bfbb3768617efafb2a5ad8adfd11105fb1986a57626e1d1f67 [2024-11-28 03:57:42,503 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:57:42,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:57:42,518 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:57:42,522 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:57:42,522 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:57:42,524 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i [2024-11-28 03:57:46,029 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/2e1a967f4/b6d69b753e3b492a8e661226d68b66fa/FLAG479820433 [2024-11-28 03:57:46,366 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:57:46,366 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i [2024-11-28 03:57:46,384 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/2e1a967f4/b6d69b753e3b492a8e661226d68b66fa/FLAG479820433 [2024-11-28 03:57:46,412 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/data/2e1a967f4/b6d69b753e3b492a8e661226d68b66fa [2024-11-28 03:57:46,418 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:57:46,420 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:57:46,424 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:46,424 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:57:46,430 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:57:46,431 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,435 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dbf460a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46, skipping insertion in model container [2024-11-28 03:57:46,435 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,463 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:57:46,693 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_d8d0c9d6-829b-4444-87fb-502543b1e90c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-11-28 03:57:46,795 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:46,813 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:57:46,828 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_d8d0c9d6-829b-4444-87fb-502543b1e90c/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-81.i[917,930] [2024-11-28 03:57:46,858 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:57:46,885 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:57:46,886 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46 WrapperNode [2024-11-28 03:57:46,886 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:57:46,888 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:46,888 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:57:46,889 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:57:46,900 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,919 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,957 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 120 [2024-11-28 03:57:46,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:57:46,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:57:46,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:57:46,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:57:46,971 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,975 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,991 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 03:57:46,992 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:46,992 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,005 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,009 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,012 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,013 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,017 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:57:47,018 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:57:47,019 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:57:47,019 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:57:47,020 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (1/1) ... [2024-11-28 03:57:47,028 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:57:47,051 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:57:47,067 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:57:47,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:57:47,101 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:57:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:57:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-28 03:57:47,102 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-28 03:57:47,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:57:47,103 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:57:47,205 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:57:47,208 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:57:51,272 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-28 03:57:51,272 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:57:51,292 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:57:51,293 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-28 03:57:51,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:51 BoogieIcfgContainer [2024-11-28 03:57:51,294 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:57:51,299 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:57:51,299 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:57:51,308 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:57:51,309 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:57:46" (1/3) ... [2024-11-28 03:57:51,309 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3246d116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:51, skipping insertion in model container [2024-11-28 03:57:51,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:57:46" (2/3) ... [2024-11-28 03:57:51,310 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3246d116 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:57:51, skipping insertion in model container [2024-11-28 03:57:51,310 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:57:51" (3/3) ... [2024-11-28 03:57:51,312 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-81.i [2024-11-28 03:57:51,327 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:57:51,329 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_has-floats_file-81.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:57:51,421 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:57:51,437 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;@2a26508f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:57:51,438 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:57:51,442 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:57:51,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:57:51,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:51,458 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:51,458 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:51,464 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:51,465 INFO L85 PathProgramCache]: Analyzing trace with hash -15431121, now seen corresponding path program 1 times [2024-11-28 03:57:51,480 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:51,480 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [957540974] [2024-11-28 03:57:51,480 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:51,481 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:57:51,481 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:51,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:57:51,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-28 03:57:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:51,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-28 03:57:51,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:51,896 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 514 trivial. 0 not checked. [2024-11-28 03:57:51,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:51,899 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:51,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [957540974] [2024-11-28 03:57:51,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [957540974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:51,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:51,900 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 03:57:51,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021453854] [2024-11-28 03:57:51,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:51,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 03:57:51,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:51,929 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 03:57:51,929 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:57:51,931 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3142857142857143) internal successors, (46), 36 states have internal predecessors, (46), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:57:51,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:51,962 INFO L93 Difference]: Finished difference Result 105 states and 176 transitions. [2024-11-28 03:57:51,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 03:57:51,964 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) Word has length 116 [2024-11-28 03:57:51,965 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:51,972 INFO L225 Difference]: With dead ends: 105 [2024-11-28 03:57:51,973 INFO L226 Difference]: Without dead ends: 52 [2024-11-28 03:57:51,977 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 03:57:51,982 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:51,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:57:51,998 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-28 03:57:52,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-28 03:57:52,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.21875) internal successors, (39), 32 states have internal predecessors, (39), 18 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-28 03:57:52,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-28 03:57:52,031 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 116 [2024-11-28 03:57:52,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:52,033 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-28 03:57:52,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 2 states have call predecessors, (18), 2 states have call successors, (18) [2024-11-28 03:57:52,034 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-28 03:57:52,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-28 03:57:52,037 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:52,037 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:52,043 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-28 03:57:52,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:57:52,238 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:52,239 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:52,239 INFO L85 PathProgramCache]: Analyzing trace with hash -1317154585, now seen corresponding path program 1 times [2024-11-28 03:57:52,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:52,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2137686579] [2024-11-28 03:57:52,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:52,240 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:57:52,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:52,244 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:57:52,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-28 03:57:52,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:52,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-28 03:57:52,574 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:57:54,388 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-28 03:57:54,389 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:57:54,389 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:57:54,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2137686579] [2024-11-28 03:57:54,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2137686579] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:57:54,390 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:57:54,390 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:57:54,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979613278] [2024-11-28 03:57:54,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:57:54,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:57:54,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:57:54,393 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:57:54,393 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:57:54,393 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:57:58,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-28 03:57:58,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:57:58,078 INFO L93 Difference]: Finished difference Result 151 states and 220 transitions. [2024-11-28 03:57:58,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:57:58,093 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) Word has length 116 [2024-11-28 03:57:58,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:57:58,096 INFO L225 Difference]: With dead ends: 151 [2024-11-28 03:57:58,096 INFO L226 Difference]: Without dead ends: 102 [2024-11-28 03:57:58,097 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:57:58,098 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 41 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:57:58,098 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 236 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 03:57:58,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2024-11-28 03:57:58,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 88. [2024-11-28 03:57:58,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 49 states have (on average 1.1428571428571428) internal successors, (56), 49 states have internal predecessors, (56), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2024-11-28 03:57:58,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions. [2024-11-28 03:57:58,137 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 116 [2024-11-28 03:57:58,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:57:58,138 INFO L471 AbstractCegarLoop]: Abstraction has 88 states and 128 transitions. [2024-11-28 03:57:58,138 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (18), 1 states have call predecessors, (18), 1 states have return successors, (18), 1 states have call predecessors, (18), 1 states have call successors, (18) [2024-11-28 03:57:58,139 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2024-11-28 03:57:58,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-28 03:57:58,141 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:57:58,141 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:57:58,151 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -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)] Forceful destruction successful, exit code 0 [2024-11-28 03:57:58,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:57:58,346 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:57:58,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:57:58,347 INFO L85 PathProgramCache]: Analyzing trace with hash 2144427370, now seen corresponding path program 1 times [2024-11-28 03:57:58,347 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:57:58,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1288887414] [2024-11-28 03:57:58,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:57:58,348 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-28 03:57:58,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat [2024-11-28 03:57:58,351 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-28 03:57:58,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d8d0c9d6-829b-4444-87fb-502543b1e90c/bin/uautomizer-verify-aQ6SnzHsRB/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-28 03:57:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:57:58,812 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-28 03:57:58,820 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 04:00:38,691 WARN L286 SmtUtils]: Spent 31.89s on a formula simplification that was a NOOP. DAG size: 87 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)