./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:50:58,694 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:50:58,787 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 01:50:58,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:50:58,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:50:58,832 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:50:58,833 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:50:58,833 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:50:58,833 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:50:58,834 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:50:58,834 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:50:58,834 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:50:58,834 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:50:58,835 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:50:58,835 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:50:58,835 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:50:58,835 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:50:58,835 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:50:58,835 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 01:50:58,835 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:50:58,836 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:58,836 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:58,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:58,837 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:50:58,837 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:50:58,837 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:50:58,837 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:50:58,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:50:58,837 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:50:58,838 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:50:58,839 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:50:58,839 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b [2024-11-24 01:50:59,118 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:50:59,127 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:50:59,129 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:50:59,130 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:50:59,131 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:50:59,132 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-24 01:51:02,271 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/8d7cb7de3/67b96f624eee48ccb5404afd76926d29/FLAG7a595d9c3 [2024-11-24 01:51:02,626 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:51:02,627 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-24 01:51:02,639 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/8d7cb7de3/67b96f624eee48ccb5404afd76926d29/FLAG7a595d9c3 [2024-11-24 01:51:02,844 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/8d7cb7de3/67b96f624eee48ccb5404afd76926d29 [2024-11-24 01:51:02,847 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:51:02,848 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:51:02,851 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:02,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:51:02,859 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:51:02,860 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:02" (1/1) ... [2024-11-24 01:51:02,863 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e6d977 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:02, skipping insertion in model container [2024-11-24 01:51:02,863 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:02" (1/1) ... [2024-11-24 01:51:02,888 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:51:03,074 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-24 01:51:03,155 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:03,173 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:51:03,187 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-24 01:51:03,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:03,262 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:51:03,263 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03 WrapperNode [2024-11-24 01:51:03,264 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:03,265 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:03,266 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:51:03,267 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:51:03,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,294 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,341 INFO L138 Inliner]: procedures = 26, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2024-11-24 01:51:03,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:03,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:51:03,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:51:03,342 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:51:03,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,370 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]. [2024-11-24 01:51:03,371 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,371 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,378 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,379 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,383 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,385 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,386 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,389 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:51:03,393 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:51:03,394 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:51:03,394 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:51:03,395 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (1/1) ... [2024-11-24 01:51:03,409 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:03,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:03,451 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:51:03,458 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:51:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:51:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:51:03,496 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:51:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 01:51:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:51:03,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:51:03,578 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:51:03,581 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:51:04,019 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:51:04,020 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:51:04,035 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:51:04,035 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:51:04,036 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:04 BoogieIcfgContainer [2024-11-24 01:51:04,036 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:51:04,039 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:51:04,039 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:51:04,045 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:51:04,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:51:02" (1/3) ... [2024-11-24 01:51:04,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1997d6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:04, skipping insertion in model container [2024-11-24 01:51:04,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:03" (2/3) ... [2024-11-24 01:51:04,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1997d6ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:04, skipping insertion in model container [2024-11-24 01:51:04,047 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:04" (3/3) ... [2024-11-24 01:51:04,048 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-24 01:51:04,067 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:51:04,068 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-73.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:51:04,150 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:51:04,169 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;@7c9a9de2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:51:04,170 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:51:04,175 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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) [2024-11-24 01:51:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:51:04,188 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:04,189 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] [2024-11-24 01:51:04,189 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:04,195 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:04,195 INFO L85 PathProgramCache]: Analyzing trace with hash 912981449, now seen corresponding path program 1 times [2024-11-24 01:51:04,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:04,204 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672164320] [2024-11-24 01:51:04,205 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:04,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:04,608 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 01:51:04,611 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:04,612 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672164320] [2024-11-24 01:51:04,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672164320] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-24 01:51:04,616 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1232123434] [2024-11-24 01:51:04,616 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:04,616 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 01:51:04,617 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:04,620 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 01:51:04,623 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 01:51:04,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:04,835 INFO L256 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:51:04,848 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:51:04,893 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 578 trivial. 0 not checked. [2024-11-24 01:51:04,893 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:51:04,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1232123434] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:04,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-24 01:51:04,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2024-11-24 01:51:04,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801376867] [2024-11-24 01:51:04,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:04,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:51:04,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:04,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:51:04,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:51:04,940 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-11-24 01:51:04,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:04,984 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-11-24 01:51:04,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:51:04,994 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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 114 [2024-11-24 01:51:04,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:05,012 INFO L225 Difference]: With dead ends: 105 [2024-11-24 01:51:05,015 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 01:51:05,026 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 [2024-11-24 01:51:05,031 INFO L435 NwaCegarLoop]: 76 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, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:05,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:51:05,049 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 01:51:05,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 01:51:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 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) [2024-11-24 01:51:05,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-24 01:51:05,092 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 114 [2024-11-24 01:51:05,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:05,092 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-24 01:51:05,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.5) internal successors, (29), 2 states have internal predecessors, (29), 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) [2024-11-24 01:51:05,093 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-24 01:51:05,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:51:05,099 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:05,099 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] [2024-11-24 01:51:05,114 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 01:51:05,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-24 01:51:05,303 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:05,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:05,304 INFO L85 PathProgramCache]: Analyzing trace with hash -1975372663, now seen corresponding path program 1 times [2024-11-24 01:51:05,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:05,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168718875] [2024-11-24 01:51:05,304 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:05,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:05,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:05,992 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 01:51:05,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:05,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168718875] [2024-11-24 01:51:05,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [168718875] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:05,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:05,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:51:05,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164921473] [2024-11-24 01:51:05,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:05,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:51:05,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:05,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:51:05,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:51:05,997 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-24 01:51:06,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:06,057 INFO L93 Difference]: Finished difference Result 101 states and 149 transitions. [2024-11-24 01:51:06,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:51:06,058 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 114 [2024-11-24 01:51:06,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:06,060 INFO L225 Difference]: With dead ends: 101 [2024-11-24 01:51:06,060 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 01:51:06,061 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:51:06,064 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 0 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:06,064 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 139 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:51:06,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 01:51:06,077 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 01:51:06,077 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) [2024-11-24 01:51:06,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-24 01:51:06,083 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 114 [2024-11-24 01:51:06,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:06,086 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-24 01:51:06,086 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2024-11-24 01:51:06,086 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-24 01:51:06,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:51:06,088 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:06,088 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] [2024-11-24 01:51:06,089 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 01:51:06,089 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:06,089 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:06,090 INFO L85 PathProgramCache]: Analyzing trace with hash 237839506, now seen corresponding path program 1 times [2024-11-24 01:51:06,090 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:06,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [631590601] [2024-11-24 01:51:06,090 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:06,090 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:06,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:08,829 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 01:51:08,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:08,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [631590601] [2024-11-24 01:51:08,829 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [631590601] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:08,829 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:08,829 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-24 01:51:08,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [479822625] [2024-11-24 01:51:08,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:08,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-24 01:51:08,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:08,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-24 01:51:08,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-24 01:51:08,831 INFO L87 Difference]: Start difference. First operand 52 states and 75 transitions. Second operand has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) [2024-11-24 01:51:09,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:09,302 INFO L93 Difference]: Finished difference Result 126 states and 177 transitions. [2024-11-24 01:51:09,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-24 01:51:09,303 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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 115 [2024-11-24 01:51:09,304 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:09,305 INFO L225 Difference]: With dead ends: 126 [2024-11-24 01:51:09,305 INFO L226 Difference]: Without dead ends: 77 [2024-11-24 01:51:09,306 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2024-11-24 01:51:09,307 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 18 mSDsluCounter, 305 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:09,307 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 373 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-24 01:51:09,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-24 01:51:09,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 65. [2024-11-24 01:51:09,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 45 states have (on average 1.1777777777777778) internal successors, (53), 45 states have internal predecessors, (53), 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) [2024-11-24 01:51:09,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 89 transitions. [2024-11-24 01:51:09,323 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 89 transitions. Word has length 115 [2024-11-24 01:51:09,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:09,325 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 89 transitions. [2024-11-24 01:51:09,326 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.8) internal successors, (28), 10 states have internal predecessors, (28), 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) [2024-11-24 01:51:09,326 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2024-11-24 01:51:09,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:51:09,329 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:09,333 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] [2024-11-24 01:51:09,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 01:51:09,333 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:09,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:09,334 INFO L85 PathProgramCache]: Analyzing trace with hash -1117785961, now seen corresponding path program 1 times [2024-11-24 01:51:09,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:09,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514372164] [2024-11-24 01:51:09,334 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:09,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:09,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:09,440 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 01:51:09,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:09,440 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514372164] [2024-11-24 01:51:09,440 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514372164] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:09,440 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:09,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 01:51:09,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621301315] [2024-11-24 01:51:09,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:09,441 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 01:51:09,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:09,442 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 01:51:09,442 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:51:09,442 INFO L87 Difference]: Start difference. First operand 65 states and 89 transitions. Second operand has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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) [2024-11-24 01:51:09,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:09,502 INFO L93 Difference]: Finished difference Result 136 states and 184 transitions. [2024-11-24 01:51:09,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 01:51:09,504 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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 [2024-11-24 01:51:09,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:09,508 INFO L225 Difference]: With dead ends: 136 [2024-11-24 01:51:09,508 INFO L226 Difference]: Without dead ends: 74 [2024-11-24 01:51:09,509 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 01:51:09,510 INFO L435 NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:09,510 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 145 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:51:09,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2024-11-24 01:51:09,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 65. [2024-11-24 01:51:09,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 45 states have (on average 1.1333333333333333) internal successors, (51), 45 states have internal predecessors, (51), 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) [2024-11-24 01:51:09,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 87 transitions. [2024-11-24 01:51:09,528 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 87 transitions. Word has length 116 [2024-11-24 01:51:09,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:09,529 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 87 transitions. [2024-11-24 01:51:09,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 3 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) [2024-11-24 01:51:09,529 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 87 transitions. [2024-11-24 01:51:09,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:51:09,534 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:09,534 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] [2024-11-24 01:51:09,534 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 01:51:09,534 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:09,535 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:09,535 INFO L85 PathProgramCache]: Analyzing trace with hash -1175044263, now seen corresponding path program 1 times [2024-11-24 01:51:09,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:09,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648265779] [2024-11-24 01:51:09,535 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:09,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:09,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 01:51:12,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:12,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648265779] [2024-11-24 01:51:12,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648265779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:12,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:12,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:51:12,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2011700532] [2024-11-24 01:51:12,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:12,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:51:12,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:12,515 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:51:12,515 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:51:12,516 INFO L87 Difference]: Start difference. First operand 65 states and 87 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 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) [2024-11-24 01:51:12,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:12,893 INFO L93 Difference]: Finished difference Result 148 states and 194 transitions. [2024-11-24 01:51:12,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:51:12,894 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 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 [2024-11-24 01:51:12,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:12,896 INFO L225 Difference]: With dead ends: 148 [2024-11-24 01:51:12,896 INFO L226 Difference]: Without dead ends: 86 [2024-11-24 01:51:12,897 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:51:12,898 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 28 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 403 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:12,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 403 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:51:12,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-24 01:51:12,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 70. [2024-11-24 01:51:12,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.12) internal successors, (56), 50 states have internal predecessors, (56), 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) [2024-11-24 01:51:12,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2024-11-24 01:51:12,907 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 116 [2024-11-24 01:51:12,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:12,907 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2024-11-24 01:51:12,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 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) [2024-11-24 01:51:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-24 01:51:12,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:51:12,909 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:12,909 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] [2024-11-24 01:51:12,909 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 01:51:12,910 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:12,910 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:12,910 INFO L85 PathProgramCache]: Analyzing trace with hash -473979685, now seen corresponding path program 1 times [2024-11-24 01:51:12,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:12,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80649856] [2024-11-24 01:51:12,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:12,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:13,841 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 01:51:13,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 01:51:13,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80649856] [2024-11-24 01:51:13,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80649856] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:13,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:13,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-24 01:51:13,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [494395834] [2024-11-24 01:51:13,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:13,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-24 01:51:13,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 01:51:13,844 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-24 01:51:13,844 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2024-11-24 01:51:13,845 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 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) [2024-11-24 01:51:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:14,159 INFO L93 Difference]: Finished difference Result 98 states and 120 transitions. [2024-11-24 01:51:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-24 01:51:14,161 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 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 [2024-11-24 01:51:14,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:14,162 INFO L225 Difference]: With dead ends: 98 [2024-11-24 01:51:14,163 INFO L226 Difference]: Without dead ends: 96 [2024-11-24 01:51:14,163 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2024-11-24 01:51:14,164 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 42 mSDsluCounter, 368 mSDsCounter, 0 mSdLazyCounter, 134 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 457 SdHoareTripleChecker+Invalid, 134 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 134 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:14,165 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 457 Invalid, 134 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 134 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 01:51:14,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2024-11-24 01:51:14,172 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 70. [2024-11-24 01:51:14,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 50 states have (on average 1.12) internal successors, (56), 50 states have internal predecessors, (56), 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) [2024-11-24 01:51:14,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2024-11-24 01:51:14,174 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 116 [2024-11-24 01:51:14,175 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:14,175 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2024-11-24 01:51:14,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.6363636363636362) internal successors, (29), 11 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) [2024-11-24 01:51:14,176 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2024-11-24 01:51:14,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-24 01:51:14,178 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:14,178 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] [2024-11-24 01:51:14,178 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 01:51:14,179 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:14,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:14,179 INFO L85 PathProgramCache]: Analyzing trace with hash 331312688, now seen corresponding path program 1 times [2024-11-24 01:51:14,179 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 01:51:14,180 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1891699257] [2024-11-24 01:51:14,180 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:14,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 01:51:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:51:14,240 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:51:14,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:51:14,349 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 01:51:14,349 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 01:51:14,350 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 01:51:14,353 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 01:51:14,358 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 01:51:14,471 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 01:51:14,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:51:14 BoogieIcfgContainer [2024-11-24 01:51:14,475 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 01:51:14,476 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 01:51:14,476 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 01:51:14,476 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 01:51:14,477 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:04" (3/4) ... [2024-11-24 01:51:14,479 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 01:51:14,480 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 01:51:14,481 INFO L158 Benchmark]: Toolchain (without parser) took 11633.01ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 92.8MB in the beginning and 139.1MB in the end (delta: -46.3MB). Peak memory consumption was 65.2MB. Max. memory is 16.1GB. [2024-11-24 01:51:14,482 INFO L158 Benchmark]: CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:14,482 INFO L158 Benchmark]: CACSL2BoogieTranslator took 413.42ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:51:14,483 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.83ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:14,483 INFO L158 Benchmark]: Boogie Preprocessor took 47.82ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.6MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:14,483 INFO L158 Benchmark]: RCFGBuilder took 642.82ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 57.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 01:51:14,484 INFO L158 Benchmark]: TraceAbstraction took 10436.14ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 56.9MB in the beginning and 139.1MB in the end (delta: -82.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. [2024-11-24 01:51:14,484 INFO L158 Benchmark]: Witness Printer took 4.90ms. Allocated memory is still 226.5MB. Free memory was 139.1MB in the beginning and 139.1MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 01:51:14,487 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 413.42ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 79.6MB in the end (delta: 12.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.83ms. Allocated memory is still 117.4MB. Free memory was 79.6MB in the beginning and 77.1MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 47.82ms. Allocated memory is still 117.4MB. Free memory was 77.1MB in the beginning and 73.6MB in the end (delta: 3.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 642.82ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 57.3MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10436.14ms. Allocated memory was 117.4MB in the beginning and 226.5MB in the end (delta: 109.1MB). Free memory was 56.9MB in the beginning and 139.1MB in the end (delta: -82.2MB). Peak memory consumption was 31.6MB. Max. memory is 16.1GB. * Witness Printer took 4.90ms. Allocated memory is still 226.5MB. Free memory was 139.1MB in the beginning and 139.1MB in the end (delta: 33.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 104, overapproximation of to_int at line 50. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 5; [L23] unsigned char var_1_6 = 1; [L24] signed long int var_1_7 = 0; [L25] unsigned char var_1_8 = 25; [L26] unsigned char var_1_9 = 100; [L27] unsigned char var_1_10 = 1; [L28] signed long int var_1_12 = 15; [L29] signed long int var_1_13 = 1; [L30] unsigned char var_1_14 = 0; [L31] unsigned char var_1_15 = 0; [L32] signed long int var_1_16 = 16; [L33] signed char var_1_17 = 10; [L34] signed char var_1_18 = -10; [L35] signed long int var_1_19 = -16; [L36] signed long int last_1_var_1_12 = 15; VAL [isInitial=0, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L108] isInitial = 1 [L109] FCALL initially() [L111] CALL updateLastVariables() [L101] last_1_var_1_12 = var_1_12 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L111] RET updateLastVariables() [L112] CALL updateVariables() [L72] var_1_6 = __VERIFIER_nondet_uchar() [L73] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L73] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_7=0, var_1_8=25, var_1_9=100] [L74] CALL assume_abort_if_not(var_1_6 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L74] RET assume_abort_if_not(var_1_6 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=0, var_1_8=25, var_1_9=100] [L75] var_1_7 = __VERIFIER_nondet_long() [L76] CALL assume_abort_if_not(var_1_7 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L76] RET assume_abort_if_not(var_1_7 >= -2147483648) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L77] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L77] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=100] [L78] var_1_9 = __VERIFIER_nondet_uchar() [L79] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25] [L79] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25] [L80] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L80] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=1, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L81] var_1_10 = __VERIFIER_nondet_uchar() [L82] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L82] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L83] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L83] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=1, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L84] var_1_13 = __VERIFIER_nondet_long() [L85] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L85] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L86] CALL assume_abort_if_not(var_1_13 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L86] RET assume_abort_if_not(var_1_13 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L87] var_1_14 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L88] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L89] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L89] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=0, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L90] var_1_15 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L91] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L92] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L92] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=16, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L93] var_1_16 = __VERIFIER_nondet_long() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L95] CALL assume_abort_if_not(var_1_16 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L95] RET assume_abort_if_not(var_1_16 <= 2147483647) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=-10, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L96] var_1_18 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_18 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L97] RET assume_abort_if_not(var_1_18 >= -127) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L98] CALL assume_abort_if_not(var_1_18 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L98] RET assume_abort_if_not(var_1_18 <= 126) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=25, var_1_9=253] [L112] RET updateVariables() [L113] CALL step() [L40] COND TRUE \read(var_1_6) [L41] var_1_8 = ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=-16, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L47] var_1_19 = var_1_8 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L48] COND TRUE var_1_19 > var_1_9 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=15, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L49] COND TRUE \read(var_1_6) [L50] var_1_12 = (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L61] signed long int stepLocal_0 = (((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))); VAL [isInitial=1, last_1_var_1_12=15, stepLocal_0=508, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L62] COND TRUE var_1_8 <= stepLocal_0 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=5, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L63] COND FALSE !(! var_1_6) [L66] var_1_1 = var_1_7 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=10, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L69] var_1_17 = var_1_18 VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L113] RET step() [L114] CALL, EXPR property() [L104-L105] return (((((var_1_8 <= ((((var_1_8) > ((var_1_8 + var_1_19))) ? (var_1_8) : ((var_1_8 + var_1_19))))) ? ((! var_1_6) ? (var_1_1 == ((signed long int) var_1_7)) : (var_1_1 == ((signed long int) var_1_7))) : 1) && (var_1_6 ? (var_1_8 == ((unsigned char) ((((var_1_9) > (var_1_10)) ? (var_1_9) : (var_1_10))))) : ((last_1_var_1_12 < (last_1_var_1_12 + var_1_7)) ? (var_1_8 == ((unsigned char) ((((var_1_9) < (var_1_10)) ? (var_1_9) : (var_1_10))))) : 1))) && ((var_1_19 > var_1_9) ? (var_1_6 ? (var_1_12 == ((signed long int) (var_1_13 - ((((99999.25f) < 0 ) ? -(99999.25f) : (99999.25f)))))) : ((var_1_14 && var_1_15) ? (var_1_12 == ((signed long int) (var_1_13 - var_1_16))) : (var_1_12 == ((signed long int) var_1_16)))) : (var_1_12 == ((signed long int) var_1_13)))) && (var_1_17 == ((signed char) var_1_18))) && (var_1_19 == ((signed long int) var_1_8)) ; VAL [\result=0, isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=2, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=2, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] [L19] reach_error() VAL [isInitial=1, last_1_var_1_12=15, var_1_10=254, var_1_12=2, var_1_13=0, var_1_14=1, var_1_15=1, var_1_16=1, var_1_17=126, var_1_18=126, var_1_19=254, var_1_1=1, var_1_6=1, var_1_7=1, var_1_8=254, var_1_9=253] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.2s, OverallIterations: 7, TraceHistogramMax: 18, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 102 SdHoareTripleChecker+Valid, 0.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 102 mSDsluCounter, 1593 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1125 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 450 IncrementalHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 468 mSDtfsCounter, 450 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 166 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=70occurred in iteration=5, InterpolantAutomatonStates: 40, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 63 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 7.4s InterpolantComputationTime, 921 NumberOfCodeBlocks, 921 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 798 ConstructedInterpolants, 0 QuantifiedInterpolants, 1634 SizeOfPredicates, 0 NumberOfNonLiveVariables, 260 ConjunctsInSsa, 1 ConjunctsInUnsatCore, 7 InterpolantComputations, 6 PerfectInterpolantSequences, 4250/4284 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-24 01:51:14,510 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 01:51:17,376 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 01:51:17,513 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-24 01:51:17,520 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 01:51:17,521 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 01:51:17,569 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 01:51:17,572 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 01:51:17,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 01:51:17,574 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 01:51:17,575 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 01:51:17,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 01:51:17,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 01:51:17,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 01:51:17,576 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 01:51:17,576 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 01:51:17,576 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 01:51:17,576 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 01:51:17,576 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 01:51:17,578 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 01:51:17,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 01:51:17,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 01:51:17,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 01:51:17,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 01:51:17,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 01:51:17,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 01:51:17,579 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 01:51:17,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:51:17,580 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:17,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:17,581 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 01:51:17,581 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 01:51:17,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 01:51:17,584 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 480085f0fbc2bb150cea70cfe42d19d7967e13aabeaaf15e92071325d497a99b [2024-11-24 01:51:18,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 01:51:18,050 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 01:51:18,052 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 01:51:18,054 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 01:51:18,055 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 01:51:18,056 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-24 01:51:21,363 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/cc11548f2/0258029b9bd44a9cab73f6ef0512cc63/FLAG989676be9 [2024-11-24 01:51:21,673 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 01:51:21,674 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-24 01:51:21,688 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/cc11548f2/0258029b9bd44a9cab73f6ef0512cc63/FLAG989676be9 [2024-11-24 01:51:21,714 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/data/cc11548f2/0258029b9bd44a9cab73f6ef0512cc63 [2024-11-24 01:51:21,718 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 01:51:21,720 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 01:51:21,723 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:21,723 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 01:51:21,728 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 01:51:21,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:21" (1/1) ... [2024-11-24 01:51:21,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53c23cf6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:21, skipping insertion in model container [2024-11-24 01:51:21,733 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:51:21" (1/1) ... [2024-11-24 01:51:21,758 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 01:51:21,953 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-24 01:51:22,040 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:22,065 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 01:51:22,087 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_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-73.i[916,929] [2024-11-24 01:51:22,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 01:51:22,164 INFO L204 MainTranslator]: Completed translation [2024-11-24 01:51:22,164 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22 WrapperNode [2024-11-24 01:51:22,165 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 01:51:22,166 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:22,166 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 01:51:22,166 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 01:51:22,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,193 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,239 INFO L138 Inliner]: procedures = 27, calls = 31, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 112 [2024-11-24 01:51:22,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 01:51:22,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 01:51:22,244 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 01:51:22,244 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 01:51:22,256 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,257 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,260 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,280 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]. [2024-11-24 01:51:22,284 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,285 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,301 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,312 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 01:51:22,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 01:51:22,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 01:51:22,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 01:51:22,328 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (1/1) ... [2024-11-24 01:51:22,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 01:51:22,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 01:51:22,377 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 01:51:22,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 01:51:22,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 01:51:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 01:51:22,420 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-24 01:51:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-24 01:51:22,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 01:51:22,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 01:51:22,546 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 01:51:22,548 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 01:51:24,685 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-11-24 01:51:24,686 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 01:51:24,698 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 01:51:24,699 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 01:51:24,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:24 BoogieIcfgContainer [2024-11-24 01:51:24,700 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 01:51:24,702 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 01:51:24,702 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 01:51:24,710 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 01:51:24,710 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:51:21" (1/3) ... [2024-11-24 01:51:24,711 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2b6c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:24, skipping insertion in model container [2024-11-24 01:51:24,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:51:22" (2/3) ... [2024-11-24 01:51:24,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6d2b6c74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:51:24, skipping insertion in model container [2024-11-24 01:51:24,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:51:24" (3/3) ... [2024-11-24 01:51:24,714 INFO L128 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-73.i [2024-11-24 01:51:24,737 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 01:51:24,740 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hardness_floatingpointinfluence_no-floats_file-73.i that has 2 procedures, 56 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 01:51:24,837 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 01:51:24,878 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;@7166baa5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 01:51:24,879 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 01:51:24,885 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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) [2024-11-24 01:51:24,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:51:24,899 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:24,900 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] [2024-11-24 01:51:24,900 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:24,909 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:24,911 INFO L85 PathProgramCache]: Analyzing trace with hash 912981449, now seen corresponding path program 1 times [2024-11-24 01:51:24,930 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:51:24,931 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [453977748] [2024-11-24 01:51:24,931 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:24,932 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:51:24,932 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:51:24,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:51:24,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-24 01:51:25,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:25,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-24 01:51:25,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:51:25,269 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 322 proven. 0 refuted. 0 times theorem prover too weak. 290 trivial. 0 not checked. [2024-11-24 01:51:25,269 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:51:25,270 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:51:25,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [453977748] [2024-11-24 01:51:25,271 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [453977748] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:25,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:25,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 01:51:25,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615592890] [2024-11-24 01:51:25,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:25,284 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 01:51:25,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:51:25,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 01:51:25,315 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:51:25,318 INFO L87 Difference]: Start difference. First operand has 56 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 36 states have internal predecessors, (47), 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 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-24 01:51:25,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:25,352 INFO L93 Difference]: Finished difference Result 105 states and 178 transitions. [2024-11-24 01:51:25,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 01:51:25,356 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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 114 [2024-11-24 01:51:25,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:25,365 INFO L225 Difference]: With dead ends: 105 [2024-11-24 01:51:25,366 INFO L226 Difference]: Without dead ends: 52 [2024-11-24 01:51:25,372 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 113 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 01:51:25,377 INFO L435 NwaCegarLoop]: 76 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, 76 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:25,378 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 01:51:25,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2024-11-24 01:51:25,436 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2024-11-24 01:51:25,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 52 states, 32 states have (on average 1.25) internal successors, (40), 32 states have internal predecessors, (40), 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) [2024-11-24 01:51:25,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 76 transitions. [2024-11-24 01:51:25,451 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 76 transitions. Word has length 114 [2024-11-24 01:51:25,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:25,451 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 76 transitions. [2024-11-24 01:51:25,452 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 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) [2024-11-24 01:51:25,452 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 76 transitions. [2024-11-24 01:51:25,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2024-11-24 01:51:25,457 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:25,457 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] [2024-11-24 01:51:25,465 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2024-11-24 01:51:25,658 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:51:25,659 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:25,660 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:25,660 INFO L85 PathProgramCache]: Analyzing trace with hash -1975372663, now seen corresponding path program 1 times [2024-11-24 01:51:25,660 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:51:25,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1466924696] [2024-11-24 01:51:25,661 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:25,661 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:51:25,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:51:25,664 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:51:25,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-24 01:51:25,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:25,939 INFO L256 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-24 01:51:25,945 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 01:51:26,162 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 612 trivial. 0 not checked. [2024-11-24 01:51:26,163 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 01:51:26,163 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 01:51:26,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1466924696] [2024-11-24 01:51:26,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1466924696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 01:51:26,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 01:51:26,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 01:51:26,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603657101] [2024-11-24 01:51:26,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 01:51:26,169 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 01:51:26,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 01:51:26,170 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 01:51:26,170 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 01:51:26,170 INFO L87 Difference]: Start difference. First operand 52 states and 76 transitions. Second operand has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-24 01:51:27,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 01:51:27,516 INFO L93 Difference]: Finished difference Result 137 states and 204 transitions. [2024-11-24 01:51:27,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 01:51:27,517 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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 114 [2024-11-24 01:51:27,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 01:51:27,519 INFO L225 Difference]: With dead ends: 137 [2024-11-24 01:51:27,519 INFO L226 Difference]: Without dead ends: 88 [2024-11-24 01:51:27,520 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-24 01:51:27,523 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 68 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 258 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-24 01:51:27,524 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 258 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-24 01:51:27,525 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2024-11-24 01:51:27,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 52. [2024-11-24 01:51:27,537 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) [2024-11-24 01:51:27,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 75 transitions. [2024-11-24 01:51:27,539 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 75 transitions. Word has length 114 [2024-11-24 01:51:27,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 01:51:27,541 INFO L471 AbstractCegarLoop]: Abstraction has 52 states and 75 transitions. [2024-11-24 01:51:27,541 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.75) internal successors, (27), 4 states have internal predecessors, (27), 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) [2024-11-24 01:51:27,541 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 75 transitions. [2024-11-24 01:51:27,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-11-24 01:51:27,544 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 01:51:27,544 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] [2024-11-24 01:51:27,548 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-24 01:51:27,744 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:51:27,745 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 01:51:27,745 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 01:51:27,745 INFO L85 PathProgramCache]: Analyzing trace with hash 237839506, now seen corresponding path program 1 times [2024-11-24 01:51:27,746 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 01:51:27,746 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [175749069] [2024-11-24 01:51:27,746 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:27,747 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-24 01:51:27,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat [2024-11-24 01:51:27,749 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-24 01:51:27,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-24 01:51:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:51:27,965 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 01:51:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 01:51:28,130 ERROR L246 FreeRefinementEngine]: Caught known exception: Invalid model [2024-11-24 01:51:28,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleCvc4 [484007745] [2024-11-24 01:51:28,131 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 01:51:28,131 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-24 01:51:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/cvc4 [2024-11-24 01:51:28,135 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-24 01:51:28,138 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6bb8eb22-df1a-43e4-8dfb-b16506e3cf37/bin/uautomizer-verify-LYvppIcaGC/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-24 01:51:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 01:51:28,457 INFO L256 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-24 01:51:28,464 INFO L279 TraceCheckSpWp]: Computing forward predicates...