./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX --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 f4c12887b518c30807abd8d1f5e8bfcee830c9bbeabadce2ed262c9ce9e837ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:37:35,043 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:37:35,128 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-08 17:37:35,142 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:37:35,143 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:37:35,171 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:37:35,172 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:37:35,172 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:37:35,173 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:37:35,174 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:37:35,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:37:35,175 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:37:35,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:37:35,176 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:37:35,176 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:37:35,177 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:37:35,177 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:37:35,178 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:37:35,178 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 17:37:35,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:37:35,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:37:35,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:37:35,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:37:35,181 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:37:35,181 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:37:35,182 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:37:35,182 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:37:35,182 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:37:35,183 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:37:35,183 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:37:35,184 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:37:35,184 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:37:35,184 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:37:35,185 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:37:35,185 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:37:35,186 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:37:35,186 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-08 17:37:35,187 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 17:37:35,187 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:37:35,187 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:37:35,188 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:37:35,188 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:37:35,189 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4c12887b518c30807abd8d1f5e8bfcee830c9bbeabadce2ed262c9ce9e837ab [2024-11-08 17:37:35,520 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:37:35,559 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:37:35,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:37:35,566 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:37:35,566 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:37:35,568 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i Unable to find full path for "g++" [2024-11-08 17:37:37,698 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:37:37,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:37:37,910 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i [2024-11-08 17:37:37,921 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data/22e1fb7f6/b366488baf1f4091922d33437546a00a/FLAG2e1f6e858 [2024-11-08 17:37:37,938 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data/22e1fb7f6/b366488baf1f4091922d33437546a00a [2024-11-08 17:37:37,942 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:37:37,943 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:37:37,945 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:37:37,945 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:37:37,953 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:37:37,954 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:37:37" (1/1) ... [2024-11-08 17:37:37,956 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66317206 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:37, skipping insertion in model container [2024-11-08 17:37:37,956 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:37:37" (1/1) ... [2024-11-08 17:37:37,988 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:37:38,183 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_c36237b7-64d5-40af-8fbd-e219053ec4b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i[917,930] [2024-11-08 17:37:38,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:37:38,246 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:37:38,261 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_c36237b7-64d5-40af-8fbd-e219053ec4b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i[917,930] [2024-11-08 17:37:38,289 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:37:38,307 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:37:38,308 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38 WrapperNode [2024-11-08 17:37:38,308 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:37:38,309 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:37:38,309 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:37:38,310 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:37:38,317 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,333 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,370 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-08 17:37:38,370 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:37:38,371 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:37:38,371 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:37:38,372 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:37:38,384 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,385 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,387 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,400 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]. [2024-11-08 17:37:38,401 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,401 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,407 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,411 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,413 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,414 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,417 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:37:38,418 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:37:38,418 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:37:38,419 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:37:38,420 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (1/1) ... [2024-11-08 17:37:38,430 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:37:38,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:37:38,482 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:37:38,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:37:38,526 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:37:38,527 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:37:38,528 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:37:38,528 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-08 17:37:38,529 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:37:38,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:37:38,654 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:37:38,658 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:37:39,086 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2024-11-08 17:37:39,087 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:37:39,115 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:37:39,115 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:37:39,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:39 BoogieIcfgContainer [2024-11-08 17:37:39,116 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:37:39,119 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:37:39,119 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:37:39,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:37:39,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:37:37" (1/3) ... [2024-11-08 17:37:39,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa85fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:37:39, skipping insertion in model container [2024-11-08 17:37:39,133 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:38" (2/3) ... [2024-11-08 17:37:39,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fa85fc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:37:39, skipping insertion in model container [2024-11-08 17:37:39,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:39" (3/3) ... [2024-11-08 17:37:39,135 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-97.i [2024-11-08 17:37:39,152 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:37:39,153 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:37:39,222 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:37:39,230 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;@7b6e1f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:37:39,230 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:37:39,236 INFO L276 IsEmpty]: Start isEmpty. Operand has 63 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:37:39,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:37:39,251 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:39,252 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:39,252 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:39,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:39,259 INFO L85 PathProgramCache]: Analyzing trace with hash 112327768, now seen corresponding path program 1 times [2024-11-08 17:37:39,271 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:39,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937522525] [2024-11-08 17:37:39,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:39,272 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:39,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,624 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:39,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:39,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:39,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:39,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:39,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:39,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,697 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:39,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:39,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,728 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:39,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,735 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:39,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,747 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:39,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:39,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:39,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:39,825 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:37:39,826 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:39,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937522525] [2024-11-08 17:37:39,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937522525] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:39,828 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:39,828 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:37:39,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1643160654] [2024-11-08 17:37:39,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:39,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:37:39,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:39,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:37:39,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:37:39,886 INFO L87 Difference]: Start difference. First operand has 63 states, 43 states have (on average 1.4186046511627908) internal successors, (61), 44 states have internal predecessors, (61), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:37:39,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:39,938 INFO L93 Difference]: Finished difference Result 119 states and 201 transitions. [2024-11-08 17:37:39,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:37:39,941 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) Word has length 108 [2024-11-08 17:37:39,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:39,952 INFO L225 Difference]: With dead ends: 119 [2024-11-08 17:37:39,953 INFO L226 Difference]: Without dead ends: 59 [2024-11-08 17:37:39,958 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:37:39,962 INFO L432 NwaCegarLoop]: 88 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, 88 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 [2024-11-08 17:37:39,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:37:39,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2024-11-08 17:37:40,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2024-11-08 17:37:40,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 40 states have (on average 1.35) internal successors, (54), 40 states have internal predecessors, (54), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:37:40,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 88 transitions. [2024-11-08 17:37:40,040 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 88 transitions. Word has length 108 [2024-11-08 17:37:40,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:40,040 INFO L471 AbstractCegarLoop]: Abstraction has 59 states and 88 transitions. [2024-11-08 17:37:40,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.0) internal successors, (26), 2 states have internal predecessors, (26), 2 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:37:40,041 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2024-11-08 17:37:40,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:37:40,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:40,047 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:40,047 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-08 17:37:40,048 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:40,049 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:40,050 INFO L85 PathProgramCache]: Analyzing trace with hash 791079258, now seen corresponding path program 1 times [2024-11-08 17:37:40,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:40,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254659247] [2024-11-08 17:37:40,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:40,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:40,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:40,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:40,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:40,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:40,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,561 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,566 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:40,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,570 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:40,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,574 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,578 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:40,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,582 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:40,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,602 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:40,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,605 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,609 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:40,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:40,614 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:37:40,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:40,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254659247] [2024-11-08 17:37:40,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254659247] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:40,615 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:40,615 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-08 17:37:40,615 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31373694] [2024-11-08 17:37:40,616 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:40,617 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-08 17:37:40,618 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:40,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-08 17:37:40,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-08 17:37:40,619 INFO L87 Difference]: Start difference. First operand 59 states and 88 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:37:40,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:40,744 INFO L93 Difference]: Finished difference Result 163 states and 243 transitions. [2024-11-08 17:37:40,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-08 17:37:40,745 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 17:37:40,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:40,748 INFO L225 Difference]: With dead ends: 163 [2024-11-08 17:37:40,748 INFO L226 Difference]: Without dead ends: 107 [2024-11-08 17:37:40,749 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:37:40,750 INFO L432 NwaCegarLoop]: 140 mSDtfsCounter, 65 mSDsluCounter, 211 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:40,751 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 351 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-08 17:37:40,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2024-11-08 17:37:40,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 62. [2024-11-08 17:37:40,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 43 states have (on average 1.3255813953488371) internal successors, (57), 43 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:37:40,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 91 transitions. [2024-11-08 17:37:40,765 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 91 transitions. Word has length 108 [2024-11-08 17:37:40,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:40,767 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 91 transitions. [2024-11-08 17:37:40,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:37:40,767 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2024-11-08 17:37:40,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-08 17:37:40,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:40,769 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:40,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-08 17:37:40,770 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:40,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:40,770 INFO L85 PathProgramCache]: Analyzing trace with hash -736077016, now seen corresponding path program 1 times [2024-11-08 17:37:40,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:40,771 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1988620064] [2024-11-08 17:37:40,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:40,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:40,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:42,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:42,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,337 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,342 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:42,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:42,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:42,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,361 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:42,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:42,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,369 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:42,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:42,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:42,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,382 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,386 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:42,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,395 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:42,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,402 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:42,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:42,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:42,416 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:37:42,416 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:42,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1988620064] [2024-11-08 17:37:42,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1988620064] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:42,418 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:42,418 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-08 17:37:42,418 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1912532543] [2024-11-08 17:37:42,419 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:42,421 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-08 17:37:42,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:42,422 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-08 17:37:42,423 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-08 17:37:42,423 INFO L87 Difference]: Start difference. First operand 62 states and 91 transitions. Second operand has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:37:42,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:42,978 INFO L93 Difference]: Finished difference Result 183 states and 266 transitions. [2024-11-08 17:37:42,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-08 17:37:42,979 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 109 [2024-11-08 17:37:42,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:42,981 INFO L225 Difference]: With dead ends: 183 [2024-11-08 17:37:42,981 INFO L226 Difference]: Without dead ends: 124 [2024-11-08 17:37:42,982 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-08 17:37:42,984 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 100 mSDsluCounter, 169 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:42,984 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 259 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-08 17:37:42,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2024-11-08 17:37:42,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 63. [2024-11-08 17:37:42,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 44 states have internal predecessors, (57), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:37:42,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 91 transitions. [2024-11-08 17:37:42,996 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 91 transitions. Word has length 109 [2024-11-08 17:37:42,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:42,996 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 91 transitions. [2024-11-08 17:37:42,997 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:37:42,997 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 91 transitions. [2024-11-08 17:37:42,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 17:37:42,999 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:42,999 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:43,000 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-08 17:37:43,000 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:43,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:43,001 INFO L85 PathProgramCache]: Analyzing trace with hash 1360808053, now seen corresponding path program 1 times [2024-11-08 17:37:43,001 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:43,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291641460] [2024-11-08 17:37:43,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:43,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:43,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,586 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:43,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:43,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,601 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:43,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:43,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,617 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:43,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,622 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:43,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:43,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:43,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,657 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,677 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:43,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:43,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,690 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,700 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:43,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,708 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 27 refuted. 0 times theorem prover too weak. 454 trivial. 0 not checked. [2024-11-08 17:37:43,709 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:43,709 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291641460] [2024-11-08 17:37:43,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291641460] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-08 17:37:43,710 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2135821982] [2024-11-08 17:37:43,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:43,710 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:37:43,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:37:43,712 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-08 17:37:43,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-08 17:37:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:43,828 INFO L255 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 17:37:43,839 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:37:44,177 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 302 proven. 27 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-08 17:37:44,178 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:37:44,581 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 17:37:44,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2135821982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:37:44,582 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-08 17:37:44,582 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 9, 9] total 15 [2024-11-08 17:37:44,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506035134] [2024-11-08 17:37:44,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-08 17:37:44,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-08 17:37:44,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:44,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-08 17:37:44,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=148, Unknown=0, NotChecked=0, Total=210 [2024-11-08 17:37:44,586 INFO L87 Difference]: Start difference. First operand 63 states and 91 transitions. Second operand has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-08 17:37:45,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:45,244 INFO L93 Difference]: Finished difference Result 154 states and 220 transitions. [2024-11-08 17:37:45,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:37:45,245 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) Word has length 110 [2024-11-08 17:37:45,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:45,246 INFO L225 Difference]: With dead ends: 154 [2024-11-08 17:37:45,246 INFO L226 Difference]: Without dead ends: 94 [2024-11-08 17:37:45,248 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:37:45,249 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 186 mSDsluCounter, 145 mSDsCounter, 0 mSdLazyCounter, 303 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 201 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 387 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 303 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:45,249 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [201 Valid, 228 Invalid, 387 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 303 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:37:45,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-08 17:37:45,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2024-11-08 17:37:45,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 54 states have (on average 1.2037037037037037) internal successors, (65), 55 states have internal predecessors, (65), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:37:45,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 119 transitions. [2024-11-08 17:37:45,266 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 119 transitions. Word has length 110 [2024-11-08 17:37:45,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:45,267 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 119 transitions. [2024-11-08 17:37:45,267 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.466666666666667) internal successors, (52), 15 states have internal predecessors, (52), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (25), 3 states have call predecessors, (25), 3 states have call successors, (25) [2024-11-08 17:37:45,267 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 119 transitions. [2024-11-08 17:37:45,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2024-11-08 17:37:45,269 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:45,270 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:45,292 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-08 17:37:45,470 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-08 17:37:45,471 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:45,471 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:45,471 INFO L85 PathProgramCache]: Analyzing trace with hash 891095055, now seen corresponding path program 1 times [2024-11-08 17:37:45,471 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:45,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541431813] [2024-11-08 17:37:45,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:45,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:45,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2024-11-08 17:37:46,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2024-11-08 17:37:46,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,312 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-08 17:37:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,315 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-08 17:37:46,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,318 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-08 17:37:46,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,322 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-08 17:37:46,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,325 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2024-11-08 17:37:46,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,328 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2024-11-08 17:37:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,332 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-11-08 17:37:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,336 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-08 17:37:46,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,339 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2024-11-08 17:37:46,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,343 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2024-11-08 17:37:46,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,346 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-11-08 17:37:46,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2024-11-08 17:37:46,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,356 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2024-11-08 17:37:46,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2024-11-08 17:37:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,362 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2024-11-08 17:37:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:37:46,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-08 17:37:46,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541431813] [2024-11-08 17:37:46,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541431813] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:46,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:46,369 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-08 17:37:46,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804477126] [2024-11-08 17:37:46,370 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:46,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-08 17:37:46,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-08 17:37:46,374 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-08 17:37:46,374 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-08 17:37:46,375 INFO L87 Difference]: Start difference. First operand 85 states and 119 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:37:46,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:46,972 INFO L93 Difference]: Finished difference Result 204 states and 279 transitions. [2024-11-08 17:37:46,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-08 17:37:46,973 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 110 [2024-11-08 17:37:46,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:46,976 INFO L225 Difference]: With dead ends: 204 [2024-11-08 17:37:46,976 INFO L226 Difference]: Without dead ends: 138 [2024-11-08 17:37:46,977 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2024-11-08 17:37:46,978 INFO L432 NwaCegarLoop]: 128 mSDtfsCounter, 152 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 195 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 198 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 195 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:46,979 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 307 Invalid, 198 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 195 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-08 17:37:46,983 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2024-11-08 17:37:47,012 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 134. [2024-11-08 17:37:47,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 83 states have (on average 1.1686746987951808) internal successors, (97), 85 states have internal predecessors, (97), 44 states have call successors, (44), 6 states have call predecessors, (44), 6 states have return successors, (44), 42 states have call predecessors, (44), 44 states have call successors, (44) [2024-11-08 17:37:47,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 185 transitions. [2024-11-08 17:37:47,023 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 185 transitions. Word has length 110 [2024-11-08 17:37:47,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:47,023 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 185 transitions. [2024-11-08 17:37:47,024 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:37:47,024 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 185 transitions. [2024-11-08 17:37:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2024-11-08 17:37:47,026 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:47,026 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:47,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-08 17:37:47,030 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:47,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:47,031 INFO L85 PathProgramCache]: Analyzing trace with hash -1652523325, now seen corresponding path program 1 times [2024-11-08 17:37:47,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-08 17:37:47,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [112425603] [2024-11-08 17:37:47,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:47,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 17:37:47,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:37:47,111 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 17:37:47,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 17:37:47,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-08 17:37:47,207 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-08 17:37:47,208 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-08 17:37:47,210 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-08 17:37:47,215 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-08 17:37:47,326 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-08 17:37:47,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:37:47 BoogieIcfgContainer [2024-11-08 17:37:47,334 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-08 17:37:47,335 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 17:37:47,338 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 17:37:47,338 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 17:37:47,339 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:39" (3/4) ... [2024-11-08 17:37:47,342 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 17:37:47,347 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 17:37:47,348 INFO L158 Benchmark]: Toolchain (without parser) took 9404.66ms. Allocated memory was 138.4MB in the beginning and 232.8MB in the end (delta: 94.4MB). Free memory was 97.6MB in the beginning and 78.0MB in the end (delta: 19.6MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. [2024-11-08 17:37:47,348 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:37:47,349 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.55ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 83.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-08 17:37:47,349 INFO L158 Benchmark]: Boogie Procedure Inliner took 61.41ms. Allocated memory is still 138.4MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:37:47,353 INFO L158 Benchmark]: Boogie Preprocessor took 46.17ms. Allocated memory is still 138.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 17:37:47,354 INFO L158 Benchmark]: RCFGBuilder took 697.76ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 77.9MB in the beginning and 162.6MB in the end (delta: -84.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-08 17:37:47,354 INFO L158 Benchmark]: TraceAbstraction took 8215.34ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 161.9MB in the beginning and 78.0MB in the end (delta: 83.9MB). Peak memory consumption was 125.7MB. Max. memory is 16.1GB. [2024-11-08 17:37:47,354 INFO L158 Benchmark]: Witness Printer took 12.76ms. Allocated memory is still 232.8MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 17:37:47,357 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 138.4MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.55ms. Allocated memory is still 138.4MB. Free memory was 97.3MB in the beginning and 83.2MB in the end (delta: 14.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 61.41ms. Allocated memory is still 138.4MB. Free memory was 83.0MB in the beginning and 80.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.17ms. Allocated memory is still 138.4MB. Free memory was 80.9MB in the beginning and 78.2MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 697.76ms. Allocated memory was 138.4MB in the beginning and 192.9MB in the end (delta: 54.5MB). Free memory was 77.9MB in the beginning and 162.6MB in the end (delta: -84.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * TraceAbstraction took 8215.34ms. Allocated memory was 192.9MB in the beginning and 232.8MB in the end (delta: 39.8MB). Free memory was 161.9MB in the beginning and 78.0MB in the end (delta: 83.9MB). Peak memory consumption was 125.7MB. Max. memory is 16.1GB. * Witness Printer took 12.76ms. Allocated memory is still 232.8MB. Free memory is still 78.0MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 100. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 16; [L23] signed short int var_1_7 = 32; [L24] signed short int var_1_8 = 20113; [L25] signed short int var_1_9 = 100; [L26] signed char var_1_10 = 100; [L27] signed char var_1_11 = -1; [L28] signed char var_1_12 = 16; [L29] unsigned char var_1_13 = 1; [L30] unsigned char var_1_15 = 0; [L31] unsigned char var_1_16 = 1; [L32] unsigned short int var_1_18 = 10; [L33] unsigned short int var_1_19 = 256; [L34] float var_1_20 = 32.5; [L35] float var_1_21 = 127.4; [L36] signed short int var_1_22 = 128; VAL [isInitial=0, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32, var_1_8=20113, var_1_9=100] [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L70] var_1_7 = __VERIFIER_nondet_short() [L71] CALL assume_abort_if_not(var_1_7 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L71] RET assume_abort_if_not(var_1_7 >= -1) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L72] CALL assume_abort_if_not(var_1_7 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L72] RET assume_abort_if_not(var_1_7 <= 32766) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=20113, var_1_9=100] [L73] var_1_8 = __VERIFIER_nondet_short() [L74] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L74] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L75] CALL assume_abort_if_not(var_1_8 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L75] RET assume_abort_if_not(var_1_8 <= 32766) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=100] [L76] var_1_9 = __VERIFIER_nondet_short() [L77] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L77] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L78] CALL assume_abort_if_not(var_1_9 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L78] RET assume_abort_if_not(var_1_9 <= 16383) VAL [isInitial=1, var_1_10=100, var_1_11=-1, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L79] var_1_11 = __VERIFIER_nondet_char() [L80] CALL assume_abort_if_not(var_1_11 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L80] RET assume_abort_if_not(var_1_11 >= -63) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L81] CALL assume_abort_if_not(var_1_11 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L81] RET assume_abort_if_not(var_1_11 <= 63) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=16, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L82] var_1_12 = __VERIFIER_nondet_char() [L83] CALL assume_abort_if_not(var_1_12 >= -31) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L83] RET assume_abort_if_not(var_1_12 >= -31) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L84] CALL assume_abort_if_not(var_1_12 <= 32) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L84] RET assume_abort_if_not(var_1_12 <= 32) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=0, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L85] var_1_15 = __VERIFIER_nondet_uchar() [L86] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L86] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L87] CALL assume_abort_if_not(var_1_15 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L87] RET assume_abort_if_not(var_1_15 <= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L88] var_1_16 = __VERIFIER_nondet_uchar() [L89] CALL assume_abort_if_not(var_1_16 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L89] RET assume_abort_if_not(var_1_16 >= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L90] CALL assume_abort_if_not(var_1_16 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L90] RET assume_abort_if_not(var_1_16 <= 1) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=256, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L91] var_1_19 = __VERIFIER_nondet_ushort() [L92] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L92] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L93] CALL assume_abort_if_not(var_1_19 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L93] RET assume_abort_if_not(var_1_19 <= 65534) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_21=637/5, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L94] var_1_21 = __VERIFIER_nondet_float() [L95] CALL assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L95] RET assume_abort_if_not((var_1_21 >= -922337.2036854765600e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854765600e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=10, var_1_19=32765, var_1_1=16, var_1_20=65/2, var_1_22=128, var_1_7=32765, var_1_8=32766, var_1_9=0] [L108] RET updateVariables() [L109] CALL step() [L40] var_1_18 = var_1_19 [L41] var_1_20 = var_1_21 [L42] var_1_22 = var_1_12 VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L43] COND TRUE 127.5f > var_1_20 [L44] var_1_13 = (var_1_15 && var_1_16) VAL [isInitial=1, var_1_10=100, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L48] COND TRUE var_1_18 == var_1_7 [L49] var_1_10 = (var_1_11 + (var_1_12 + -25)) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L57] COND TRUE \read(var_1_13) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=16, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L58] COND FALSE !(var_1_10 > var_1_22) [L65] var_1_1 = 8 VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L109] RET step() [L110] CALL, EXPR property() [L100] EXPR (var_1_13 ? ((var_1_10 > var_1_22) ? (var_1_13 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) var_1_18))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1)) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L100] EXPR (var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L100] EXPR (var_1_13 ? ((var_1_10 > var_1_22) ? (var_1_13 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) var_1_18))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1)) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L100-L101] return (((((var_1_13 ? ((var_1_10 > var_1_22) ? (var_1_13 ? (var_1_1 == ((signed short int) (var_1_7 - (var_1_8 - var_1_9)))) : (var_1_1 == ((signed short int) var_1_18))) : (var_1_1 == ((signed short int) 8))) : 1) && ((var_1_18 == var_1_7) ? (var_1_10 == ((signed char) (var_1_11 + (var_1_12 + -25)))) : ((((32 * -25) | var_1_22) >= var_1_11) ? (var_1_13 ? (var_1_10 == ((signed char) var_1_12)) : 1) : 1))) && ((127.5f > var_1_20) ? (var_1_13 == ((unsigned char) (var_1_15 && var_1_16))) : (var_1_13 == ((unsigned char) ((var_1_20 >= var_1_20) || var_1_15))))) && (var_1_18 == ((unsigned short int) var_1_19))) && (var_1_20 == ((float) var_1_21))) && (var_1_22 == ((signed short int) var_1_12)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] [L19] reach_error() VAL [isInitial=1, var_1_10=-119, var_1_11=-63, var_1_12=-31, var_1_13=1, var_1_15=1, var_1_16=1, var_1_18=32765, var_1_19=32765, var_1_1=8, var_1_20=32771, var_1_21=32771, var_1_22=-31, var_1_7=32765, var_1_8=32766, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 63 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 6, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 518 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 503 mSDsluCounter, 1233 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 704 mSDsCounter, 96 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 662 IncrementalHoareTripleChecker+Invalid, 758 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 96 mSolverCounterUnsat, 529 mSDtfsCounter, 662 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 453 GetRequests, 410 SyntacticMatches, 2 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=5, InterpolantAutomatonStates: 36, 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, 5 MinimizatonAttempts, 119 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 766 NumberOfCodeBlocks, 766 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 758 ConstructedInterpolants, 0 QuantifiedInterpolants, 1538 SizeOfPredicates, 3 NumberOfNonLiveVariables, 259 ConjunctsInSsa, 13 ConjunctsInUnsatCore, 7 InterpolantComputations, 4 PerfectInterpolantSequences, 3724/3808 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 RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 17:37:47,402 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX --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 f4c12887b518c30807abd8d1f5e8bfcee830c9bbeabadce2ed262c9ce9e837ab --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 17:37:50,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 17:37:50,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2024-11-08 17:37:50,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 17:37:50,133 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-08 17:37:50,174 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 17:37:50,175 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-08 17:37:50,176 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-08 17:37:50,177 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-08 17:37:50,178 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-08 17:37:50,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 17:37:50,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-08 17:37:50,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 17:37:50,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 17:37:50,184 INFO L153 SettingsManager]: * Use SBE=true [2024-11-08 17:37:50,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 17:37:50,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 17:37:50,185 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 17:37:50,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 17:37:50,186 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 17:37:50,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 17:37:50,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 17:37:50,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 17:37:50,191 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 17:37:50,191 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 17:37:50,191 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 17:37:50,192 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 17:37:50,192 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 17:37:50,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 17:37:50,192 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 17:37:50,193 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 17:37:50,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-08 17:37:50,196 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-08 17:37:50,197 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-08 17:37:50,197 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:37:50,197 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 17:37:50,198 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 17:37:50,198 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 17:37:50,198 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-08 17:37:50,198 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 17:37:50,199 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-08 17:37:50,201 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-08 17:37:50,201 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-08 17:37:50,201 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-08 17:37:50,202 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f4c12887b518c30807abd8d1f5e8bfcee830c9bbeabadce2ed262c9ce9e837ab [2024-11-08 17:37:50,710 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 17:37:50,746 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 17:37:50,749 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 17:37:50,751 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 17:37:50,752 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 17:37:50,754 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i Unable to find full path for "g++" [2024-11-08 17:37:53,116 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 17:37:53,454 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 17:37:53,455 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i [2024-11-08 17:37:53,463 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data/64adbdb29/2372d9c1ad6e4a2eb9910f9972414056/FLAG1c80937a8 [2024-11-08 17:37:53,703 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/data/64adbdb29/2372d9c1ad6e4a2eb9910f9972414056 [2024-11-08 17:37:53,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 17:37:53,707 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 17:37:53,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 17:37:53,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 17:37:53,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 17:37:53,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:37:53" (1/1) ... [2024-11-08 17:37:53,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c9b9fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:53, skipping insertion in model container [2024-11-08 17:37:53,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:37:53" (1/1) ... [2024-11-08 17:37:53,742 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 17:37:53,936 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_c36237b7-64d5-40af-8fbd-e219053ec4b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i[917,930] [2024-11-08 17:37:53,984 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:37:54,016 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 17:37:54,035 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_c36237b7-64d5-40af-8fbd-e219053ec4b2/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_has-floats_file-97.i[917,930] [2024-11-08 17:37:54,089 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 17:37:54,134 INFO L204 MainTranslator]: Completed translation [2024-11-08 17:37:54,135 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54 WrapperNode [2024-11-08 17:37:54,135 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 17:37:54,137 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 17:37:54,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 17:37:54,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 17:37:54,147 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,166 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,205 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 109 [2024-11-08 17:37:54,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 17:37:54,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 17:37:54,209 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 17:37:54,209 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 17:37:54,223 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,224 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,233 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,259 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]. [2024-11-08 17:37:54,260 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,260 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,271 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,287 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,288 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,292 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 17:37:54,293 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 17:37:54,293 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 17:37:54,293 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 17:37:54,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (1/1) ... [2024-11-08 17:37:54,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-08 17:37:54,319 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 [2024-11-08 17:37:54,337 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-08 17:37:54,342 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-08 17:37:54,402 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 17:37:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-08 17:37:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-08 17:37:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-08 17:37:54,403 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 17:37:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 17:37:54,526 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 17:37:54,531 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 17:37:54,817 INFO L? ?]: Removed 8 outVars from TransFormulas that were not future-live. [2024-11-08 17:37:54,818 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 17:37:54,832 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 17:37:54,832 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 17:37:54,833 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:54 BoogieIcfgContainer [2024-11-08 17:37:54,833 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 17:37:54,836 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-08 17:37:54,836 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-08 17:37:54,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-08 17:37:54,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:37:53" (1/3) ... [2024-11-08 17:37:54,842 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aab531e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:37:54, skipping insertion in model container [2024-11-08 17:37:54,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:37:54" (2/3) ... [2024-11-08 17:37:54,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5aab531e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:37:54, skipping insertion in model container [2024-11-08 17:37:54,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:37:54" (3/3) ... [2024-11-08 17:37:54,846 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_has-floats_file-97.i [2024-11-08 17:37:54,867 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-08 17:37:54,868 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-08 17:37:54,950 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-08 17:37:54,958 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;@7ca89e1a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-08 17:37:54,958 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-08 17:37:54,966 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:37:54,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:37:54,983 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:54,984 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:54,984 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:54,993 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:54,994 INFO L85 PathProgramCache]: Analyzing trace with hash -1141973908, now seen corresponding path program 1 times [2024-11-08 17:37:55,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:37:55,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [915931248] [2024-11-08 17:37:55,016 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:55,017 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 [2024-11-08 17:37:55,017 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:37:55,021 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:37:55,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:37:55,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:55,327 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 17:37:55,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:37:55,389 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2024-11-08 17:37:55,390 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:37:55,391 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:37:55,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [915931248] [2024-11-08 17:37:55,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [915931248] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:37:55,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:37:55,393 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-08 17:37:55,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019090019] [2024-11-08 17:37:55,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:37:55,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-08 17:37:55,403 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:37:55,428 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-08 17:37:55,429 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:37:55,432 INFO L87 Difference]: Start difference. First operand has 52 states, 32 states have (on average 1.375) internal successors, (44), 33 states have internal predecessors, (44), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:37:55,465 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:55,466 INFO L93 Difference]: Finished difference Result 97 states and 167 transitions. [2024-11-08 17:37:55,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-08 17:37:55,469 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 106 [2024-11-08 17:37:55,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:55,482 INFO L225 Difference]: With dead ends: 97 [2024-11-08 17:37:55,482 INFO L226 Difference]: Without dead ends: 48 [2024-11-08 17:37:55,487 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 105 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-08 17:37:55,493 INFO L432 NwaCegarLoop]: 71 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, 71 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 [2024-11-08 17:37:55,494 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-08 17:37:55,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-08 17:37:55,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-08 17:37:55,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 29 states have (on average 1.2758620689655173) internal successors, (37), 29 states have internal predecessors, (37), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-08 17:37:55,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 71 transitions. [2024-11-08 17:37:55,557 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 71 transitions. Word has length 106 [2024-11-08 17:37:55,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:55,557 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 71 transitions. [2024-11-08 17:37:55,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 14.0) internal successors, (28), 2 states have internal predecessors, (28), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2024-11-08 17:37:55,558 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 71 transitions. [2024-11-08 17:37:55,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-08 17:37:55,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:55,564 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:55,571 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:37:55,765 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:37:55,766 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:55,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:55,767 INFO L85 PathProgramCache]: Analyzing trace with hash -10542610, now seen corresponding path program 1 times [2024-11-08 17:37:55,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:37:55,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1509865521] [2024-11-08 17:37:55,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:55,769 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 [2024-11-08 17:37:55,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:37:55,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:37:55,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:37:55,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:55,963 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-08 17:37:55,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:37:56,539 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 302 proven. 27 refuted. 0 times theorem prover too weak. 215 trivial. 0 not checked. [2024-11-08 17:37:56,539 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:37:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 63 proven. 30 refuted. 0 times theorem prover too weak. 451 trivial. 0 not checked. [2024-11-08 17:37:56,978 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:37:56,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1509865521] [2024-11-08 17:37:56,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1509865521] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-08 17:37:56,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-08 17:37:56,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2024-11-08 17:37:56,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [374458640] [2024-11-08 17:37:56,980 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-08 17:37:56,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-08 17:37:56,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:37:56,983 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-08 17:37:56,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-08 17:37:56,984 INFO L87 Difference]: Start difference. First operand 48 states and 71 transitions. Second operand has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-08 17:37:57,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:37:57,929 INFO L93 Difference]: Finished difference Result 125 states and 181 transitions. [2024-11-08 17:37:57,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-08 17:37:57,930 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) Word has length 106 [2024-11-08 17:37:57,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:37:57,933 INFO L225 Difference]: With dead ends: 125 [2024-11-08 17:37:57,933 INFO L226 Difference]: Without dead ends: 80 [2024-11-08 17:37:57,934 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 224 GetRequests, 199 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 96 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=205, Invalid=445, Unknown=0, NotChecked=0, Total=650 [2024-11-08 17:37:57,935 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 112 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 117 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 171 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 117 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-08 17:37:57,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 171 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [117 Valid, 280 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-08 17:37:57,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-08 17:37:57,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 72. [2024-11-08 17:37:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 41 states have (on average 1.1219512195121952) internal successors, (46), 42 states have internal predecessors, (46), 27 states have call successors, (27), 3 states have call predecessors, (27), 3 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:37:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 100 transitions. [2024-11-08 17:37:57,965 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 100 transitions. Word has length 106 [2024-11-08 17:37:57,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:37:57,966 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 100 transitions. [2024-11-08 17:37:57,966 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2142857142857144) internal successors, (45), 14 states have internal predecessors, (45), 3 states have call successors, (23), 3 states have call predecessors, (23), 7 states have return successors, (24), 3 states have call predecessors, (24), 3 states have call successors, (24) [2024-11-08 17:37:57,967 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 100 transitions. [2024-11-08 17:37:57,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 17:37:57,969 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:37:57,969 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:37:57,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2024-11-08 17:37:58,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:37:58,174 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:37:58,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:37:58,176 INFO L85 PathProgramCache]: Analyzing trace with hash -732309066, now seen corresponding path program 1 times [2024-11-08 17:37:58,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:37:58,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [170281647] [2024-11-08 17:37:58,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:37:58,177 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 [2024-11-08 17:37:58,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:37:58,181 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:37:58,183 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:37:58,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:37:58,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:37:58,357 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:39:31,825 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 17:39:31,826 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:39:31,826 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:39:31,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [170281647] [2024-11-08 17:39:31,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [170281647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:39:31,827 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:39:31,827 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:39:31,827 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174093492] [2024-11-08 17:39:31,828 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:39:31,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-08 17:39:31,828 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:39:31,829 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-08 17:39:31,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-08 17:39:31,830 INFO L87 Difference]: Start difference. First operand 72 states and 100 transitions. Second operand has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:39:34,122 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:39:34,122 INFO L93 Difference]: Finished difference Result 131 states and 168 transitions. [2024-11-08 17:39:34,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-08 17:39:34,126 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-08 17:39:34,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:39:34,129 INFO L225 Difference]: With dead ends: 131 [2024-11-08 17:39:34,130 INFO L226 Difference]: Without dead ends: 129 [2024-11-08 17:39:34,130 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2024-11-08 17:39:34,132 INFO L432 NwaCegarLoop]: 53 mSDtfsCounter, 127 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 416 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 434 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-08 17:39:34,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 263 Invalid, 434 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 416 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-08 17:39:34,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-08 17:39:34,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 86. [2024-11-08 17:39:34,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 53 states have (on average 1.1320754716981132) internal successors, (60), 54 states have internal predecessors, (60), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:39:34,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 114 transitions. [2024-11-08 17:39:34,155 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 114 transitions. Word has length 107 [2024-11-08 17:39:34,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:39:34,156 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 114 transitions. [2024-11-08 17:39:34,156 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 2.5454545454545454) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:39:34,156 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 114 transitions. [2024-11-08 17:39:34,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2024-11-08 17:39:34,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:39:34,158 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:39:34,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2024-11-08 17:39:34,359 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:39:34,359 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:39:34,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:39:34,360 INFO L85 PathProgramCache]: Analyzing trace with hash -1541655692, now seen corresponding path program 1 times [2024-11-08 17:39:34,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:39:34,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [903779751] [2024-11-08 17:39:34,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:39:34,361 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 [2024-11-08 17:39:34,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:39:34,367 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:39:34,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-08 17:39:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:39:34,511 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 18 conjuncts are in the unsatisfiable core [2024-11-08 17:39:34,516 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:40:07,819 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 17:40:07,819 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:40:07,820 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:40:07,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [903779751] [2024-11-08 17:40:07,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [903779751] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:40:07,821 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:40:07,821 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-08 17:40:07,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1089856824] [2024-11-08 17:40:07,821 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:40:07,822 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:40:07,822 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:40:07,823 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:40:07,823 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:40:07,824 INFO L87 Difference]: Start difference. First operand 86 states and 114 transitions. Second operand has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:40:09,478 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:40:09,479 INFO L93 Difference]: Finished difference Result 136 states and 174 transitions. [2024-11-08 17:40:09,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 17:40:09,480 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 107 [2024-11-08 17:40:09,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:40:09,482 INFO L225 Difference]: With dead ends: 136 [2024-11-08 17:40:09,482 INFO L226 Difference]: Without dead ends: 134 [2024-11-08 17:40:09,483 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 115 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=106, Invalid=314, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:40:09,484 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 155 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 553 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 340 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 553 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-08 17:40:09,484 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 340 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 553 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-08 17:40:09,485 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-11-08 17:40:09,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 85. [2024-11-08 17:40:09,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.1153846153846154) internal successors, (58), 53 states have internal predecessors, (58), 27 states have call successors, (27), 5 states have call predecessors, (27), 5 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:40:09,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 112 transitions. [2024-11-08 17:40:09,505 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 112 transitions. Word has length 107 [2024-11-08 17:40:09,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:40:09,506 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 112 transitions. [2024-11-08 17:40:09,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.3333333333333335) internal successors, (28), 10 states have internal predecessors, (28), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:40:09,507 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 112 transitions. [2024-11-08 17:40:09,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:40:09,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:40:09,513 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:40:09,524 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-08 17:40:09,714 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:40:09,714 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:40:09,715 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:40:09,715 INFO L85 PathProgramCache]: Analyzing trace with hash -1465075421, now seen corresponding path program 1 times [2024-11-08 17:40:09,715 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:40:09,715 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1054882678] [2024-11-08 17:40:09,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:40:09,716 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 [2024-11-08 17:40:09,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:40:09,717 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:40:09,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-08 17:40:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:40:09,857 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-08 17:40:09,862 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:40:38,606 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 317 proven. 21 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2024-11-08 17:40:38,606 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-08 17:46:04,694 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2024-11-08 17:46:04,694 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:46:04,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1054882678] [2024-11-08 17:46:04,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1054882678] provided 1 perfect and 1 imperfect interpolant sequences [2024-11-08 17:46:04,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-08 17:46:04,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [18] total 25 [2024-11-08 17:46:04,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921379454] [2024-11-08 17:46:04,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:46:04,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-08 17:46:04,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:46:04,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-08 17:46:04,698 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=489, Unknown=0, NotChecked=0, Total=600 [2024-11-08 17:46:04,699 INFO L87 Difference]: Start difference. First operand 85 states and 112 transitions. Second operand has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:46:10,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:46:10,960 INFO L93 Difference]: Finished difference Result 149 states and 186 transitions. [2024-11-08 17:46:10,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-08 17:46:10,961 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 17:46:10,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:46:10,964 INFO L225 Difference]: With dead ends: 149 [2024-11-08 17:46:10,964 INFO L226 Difference]: Without dead ends: 147 [2024-11-08 17:46:10,965 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 194 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 211 ImplicationChecksByTransitivity, 8.7s TimeCoverageRelationStatistics Valid=163, Invalid=707, Unknown=0, NotChecked=0, Total=870 [2024-11-08 17:46:10,966 INFO L432 NwaCegarLoop]: 59 mSDtfsCounter, 148 mSDsluCounter, 181 mSDsCounter, 0 mSdLazyCounter, 151 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 240 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 151 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:46:10,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 240 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 151 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 17:46:10,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-08 17:46:11,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 93. [2024-11-08 17:46:11,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 93 states, 59 states have (on average 1.1355932203389831) internal successors, (67), 60 states have internal predecessors, (67), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:46:11,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions. [2024-11-08 17:46:11,008 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 108 [2024-11-08 17:46:11,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:46:11,009 INFO L471 AbstractCegarLoop]: Abstraction has 93 states and 121 transitions. [2024-11-08 17:46:11,009 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.888888888888889) internal successors, (26), 9 states have internal predecessors, (26), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:46:11,009 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions. [2024-11-08 17:46:11,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:46:11,011 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:46:11,012 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:46:11,022 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-08 17:46:11,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:46:11,217 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:46:11,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:46:11,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1610739323, now seen corresponding path program 1 times [2024-11-08 17:46:11,217 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:46:11,217 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1683238794] [2024-11-08 17:46:11,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:46:11,218 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 [2024-11-08 17:46:11,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:46:11,219 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:46:11,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-08 17:46:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:46:11,323 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 17:46:11,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:47:34,522 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 496 trivial. 0 not checked. [2024-11-08 17:47:34,522 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-08 17:47:34,523 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-08 17:47:34,523 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1683238794] [2024-11-08 17:47:34,523 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1683238794] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-08 17:47:34,523 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-08 17:47:34,523 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2024-11-08 17:47:34,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026252049] [2024-11-08 17:47:34,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-08 17:47:34,524 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-08 17:47:34,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-08 17:47:34,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-08 17:47:34,526 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2024-11-08 17:47:34,526 INFO L87 Difference]: Start difference. First operand 93 states and 121 transitions. Second operand has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:47:37,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-08 17:47:37,155 INFO L93 Difference]: Finished difference Result 149 states and 187 transitions. [2024-11-08 17:47:37,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-08 17:47:37,157 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) Word has length 108 [2024-11-08 17:47:37,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-08 17:47:37,159 INFO L225 Difference]: With dead ends: 149 [2024-11-08 17:47:37,159 INFO L226 Difference]: Without dead ends: 147 [2024-11-08 17:47:37,160 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=97, Invalid=323, Unknown=0, NotChecked=0, Total=420 [2024-11-08 17:47:37,162 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 172 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 417 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 204 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 435 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 417 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-08 17:47:37,162 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [204 Valid, 288 Invalid, 435 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 417 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-08 17:47:37,163 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-08 17:47:37,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 94. [2024-11-08 17:47:37,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 60 states have (on average 1.15) internal successors, (69), 61 states have internal predecessors, (69), 27 states have call successors, (27), 6 states have call predecessors, (27), 6 states have return successors, (27), 26 states have call predecessors, (27), 27 states have call successors, (27) [2024-11-08 17:47:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 123 transitions. [2024-11-08 17:47:37,206 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 123 transitions. Word has length 108 [2024-11-08 17:47:37,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-08 17:47:37,206 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 123 transitions. [2024-11-08 17:47:37,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 2.4166666666666665) internal successors, (29), 11 states have internal predecessors, (29), 1 states have call successors, (17), 1 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 1 states have call successors, (17) [2024-11-08 17:47:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 123 transitions. [2024-11-08 17:47:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2024-11-08 17:47:37,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-08 17:47:37,209 INFO L215 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-08 17:47:37,216 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-08 17:47:37,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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 [2024-11-08 17:47:37,411 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-08 17:47:37,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 17:47:37,413 INFO L85 PathProgramCache]: Analyzing trace with hash -785017051, now seen corresponding path program 1 times [2024-11-08 17:47:37,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-08 17:47:37,413 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1839347586] [2024-11-08 17:47:37,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-08 17:47:37,414 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 [2024-11-08 17:47:37,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat [2024-11-08 17:47:37,417 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/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) [2024-11-08 17:47:37,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c36237b7-64d5-40af-8fbd-e219053ec4b2/bin/uautomizer-verify-jihMAELWvX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2024-11-08 17:47:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 17:47:37,571 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-08 17:47:37,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 17:48:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 294 proven. 15 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-08 17:48:11,806 INFO L311 TraceCheckSpWp]: Computing backward predicates...