./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ --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 4caff26fc73638e5f12efd7078239ddc60605dcfb854b96620a2374df91a448f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:40:43,687 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:40:43,821 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-23 21:40:43,828 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:40:43,829 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:40:43,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:40:43,886 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:40:43,886 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:40:43,888 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:40:43,893 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:40:43,894 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:40:43,896 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:40:43,897 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:40:43,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:40:43,899 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:40:43,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:40:43,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:40:43,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:40:43,902 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:40:43,903 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:40:43,903 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:40:43,904 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:40:43,905 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:40:43,905 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:40:43,906 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:40:43,906 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:40:43,907 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:40:43,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:40:43,909 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:40:43,909 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:40:43,924 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:40:43,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:40:43,925 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:40:43,925 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:40:43,925 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:40:43,926 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-23 21:40:43,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:40:43,926 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:40:43,927 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:40:43,927 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:40:43,928 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:40:43,928 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:40:43,928 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_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4caff26fc73638e5f12efd7078239ddc60605dcfb854b96620a2374df91a448f [2023-11-23 21:40:44,239 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:40:44,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:40:44,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:40:44,280 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:40:44,281 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:40:44,282 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i [2023-11-23 21:40:47,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:40:47,758 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:40:47,759 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i [2023-11-23 21:40:47,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data/813d173ff/1d16dc613b5c49e4b580482d45f9949f/FLAG8f1feaa2d [2023-11-23 21:40:47,794 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data/813d173ff/1d16dc613b5c49e4b580482d45f9949f [2023-11-23 21:40:47,798 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:40:47,799 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:40:47,801 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:40:47,801 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:40:47,806 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:40:47,807 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:40:47" (1/1) ... [2023-11-23 21:40:47,808 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71645515 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:47, skipping insertion in model container [2023-11-23 21:40:47,808 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:40:47" (1/1) ... [2023-11-23 21:40:47,838 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:40:48,020 WARN L240 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_ca559802-8b3a-4585-82ee-b9b490da0388/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i[915,928] [2023-11-23 21:40:48,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:40:48,079 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:40:48,090 WARN L240 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_ca559802-8b3a-4585-82ee-b9b490da0388/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i[915,928] [2023-11-23 21:40:48,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:40:48,132 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:40:48,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48 WrapperNode [2023-11-23 21:40:48,133 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:40:48,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:40:48,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:40:48,135 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:40:48,141 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,152 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,193 INFO L138 Inliner]: procedures = 26, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-23 21:40:48,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:40:48,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:40:48,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:40:48,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:40:48,206 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,209 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,222 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:40:48,223 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,223 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,233 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,238 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,242 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,246 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:40:48,247 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:40:48,247 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:40:48,247 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:40:48,248 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (1/1) ... [2023-11-23 21:40:48,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:40:48,274 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:40:48,294 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:40:48,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:40:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:40:48,356 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:40:48,357 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:40:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-23 21:40:48,358 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:40:48,358 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:40:48,502 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:40:48,505 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:40:48,838 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:40:48,911 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:40:48,912 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:40:48,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:48 BoogieIcfgContainer [2023-11-23 21:40:48,913 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:40:48,915 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:40:48,916 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:40:48,920 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:40:48,920 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:40:47" (1/3) ... [2023-11-23 21:40:48,921 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10fd5f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:40:48, skipping insertion in model container [2023-11-23 21:40:48,921 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:48" (2/3) ... [2023-11-23 21:40:48,922 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10fd5f0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:40:48, skipping insertion in model container [2023-11-23 21:40:48,922 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:48" (3/3) ... [2023-11-23 21:40:48,924 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-10.i [2023-11-23 21:40:48,948 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:40:48,948 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:40:49,023 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:40:49,031 INFO L357 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, mHoare=true, 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;@2d5e18df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:40:49,032 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:40:49,038 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 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) [2023-11-23 21:40:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:40:49,064 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:40:49,066 INFO L195 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] [2023-11-23 21:40:49,067 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:40:49,077 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:40:49,077 INFO L85 PathProgramCache]: Analyzing trace with hash 1432935190, now seen corresponding path program 1 times [2023-11-23 21:40:49,089 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:40:49,090 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932647049] [2023-11-23 21:40:49,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:40:49,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:40:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:40:49,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:40:49,447 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932647049] [2023-11-23 21:40:49,448 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-23 21:40:49,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119994318] [2023-11-23 21:40:49,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:40:49,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:40:49,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:40:49,470 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:40:49,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 21:40:49,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:40:49,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:40:49,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:40:49,692 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 512 trivial. 0 not checked. [2023-11-23 21:40:49,693 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:40:49,693 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119994318] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:40:49,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:40:49,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:40:49,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570704634] [2023-11-23 21:40:49,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:40:49,703 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:40:49,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:40:49,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:40:49,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:40:49,740 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 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 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:40:49,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:40:49,801 INFO L93 Difference]: Finished difference Result 89 states and 153 transitions. [2023-11-23 21:40:49,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:40:49,804 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 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 104 [2023-11-23 21:40:49,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:40:49,813 INFO L225 Difference]: With dead ends: 89 [2023-11-23 21:40:49,813 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:40:49,818 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:40:49,822 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:40:49,823 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:40:49,844 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:40:49,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:40:49,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2023-11-23 21:40:49,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2023-11-23 21:40:49,892 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 104 [2023-11-23 21:40:49,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:40:49,892 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2023-11-23 21:40:49,894 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 12.0) internal successors, (24), 2 states have internal predecessors, (24), 2 states have call successors, (17), 2 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:40:49,894 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-23 21:40:49,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:40:49,899 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:40:49,899 INFO L195 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] [2023-11-23 21:40:49,932 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 21:40:50,121 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-23 21:40:50,122 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:40:50,123 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:40:50,123 INFO L85 PathProgramCache]: Analyzing trace with hash 1679398756, now seen corresponding path program 1 times [2023-11-23 21:40:50,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:40:50,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664144708] [2023-11-23 21:40:50,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:40:50,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:40:50,220 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:40:50,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [287087864] [2023-11-23 21:40:50,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:40:50,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:40:50,222 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:40:50,229 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:40:50,250 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-23 21:40:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:40:50,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 21:40:50,416 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:40:50,471 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:40:50,472 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:40:50,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-23 21:40:50,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664144708] [2023-11-23 21:40:50,473 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-23 21:40:50,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [287087864] [2023-11-23 21:40:50,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [287087864] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:40:50,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:40:50,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:40:50,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637750166] [2023-11-23 21:40:50,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:40:50,476 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:40:50,476 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-23 21:40:50,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:40:50,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:40:50,478 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:40:50,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:40:50,509 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2023-11-23 21:40:50,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:40:50,511 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 104 [2023-11-23 21:40:50,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:40:50,513 INFO L225 Difference]: With dead ends: 87 [2023-11-23 21:40:50,514 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:40:50,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:40:50,516 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:40:50,517 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:40:50,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:40:50,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:40:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 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) [2023-11-23 21:40:50,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2023-11-23 21:40:50,549 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 104 [2023-11-23 21:40:50,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:40:50,554 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2023-11-23 21:40:50,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:40:50,555 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-23 21:40:50,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:40:50,557 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:40:50,557 INFO L195 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] [2023-11-23 21:40:50,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-23 21:40:50,758 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1 [2023-11-23 21:40:50,758 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:40:50,759 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:40:50,759 INFO L85 PathProgramCache]: Analyzing trace with hash 521545361, now seen corresponding path program 1 times [2023-11-23 21:40:50,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-23 21:40:50,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319407257] [2023-11-23 21:40:50,760 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:40:50,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:40:50,865 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 21:40:50,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [283820951] [2023-11-23 21:40:50,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:40:50,866 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:40:50,867 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:40:50,869 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 21:40:50,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-23 21:40:51,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:40:51,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 21:40:51,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 21:40:51,189 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-23 21:40:51,190 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 21:40:51,191 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:40:51,223 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-23 21:40:51,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 21:40:51,422 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-23 21:40:51,427 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:40:51,549 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:40:51 BoogieIcfgContainer [2023-11-23 21:40:51,550 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:40:51,551 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:40:51,551 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:40:51,551 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:40:51,552 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:40:48" (3/4) ... [2023-11-23 21:40:51,555 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 21:40:51,557 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:40:51,558 INFO L158 Benchmark]: Toolchain (without parser) took 3758.38ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 115.3MB in the beginning and 132.3MB in the end (delta: -17.0MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-23 21:40:51,558 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:40:51,559 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.53ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 102.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 21:40:51,561 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.07ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:40:51,561 INFO L158 Benchmark]: Boogie Preprocessor took 52.16ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 97.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 21:40:51,562 INFO L158 Benchmark]: RCFGBuilder took 665.93ms. Allocated memory is still 146.8MB. Free memory was 97.7MB in the beginning and 79.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 21:40:51,565 INFO L158 Benchmark]: TraceAbstraction took 2634.44ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 78.8MB in the beginning and 132.3MB in the end (delta: -53.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:40:51,565 INFO L158 Benchmark]: Witness Printer took 6.19ms. Allocated memory is still 176.2MB. Free memory is still 132.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:40:51,568 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 115.3MB. Free memory is still 81.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 332.53ms. Allocated memory is still 146.8MB. Free memory was 115.3MB in the beginning and 102.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.07ms. Allocated memory is still 146.8MB. Free memory was 102.9MB in the beginning and 100.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.16ms. Allocated memory is still 146.8MB. Free memory was 100.8MB in the beginning and 97.7MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 665.93ms. Allocated memory is still 146.8MB. Free memory was 97.7MB in the beginning and 79.8MB in the end (delta: 17.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2634.44ms. Allocated memory was 146.8MB in the beginning and 176.2MB in the end (delta: 29.4MB). Free memory was 78.8MB in the beginning and 132.3MB in the end (delta: -53.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.19ms. Allocated memory is still 176.2MB. Free memory is still 132.3MB. 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 someBinaryDOUBLEComparisonOperation at line 100, overapproximation of someBinaryArithmeticDOUBLEoperation at line 61. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] double var_1_3 = 9.15; [L25] double var_1_6 = 1000000.875; [L26] double var_1_7 = 49.25; [L27] double var_1_8 = 1000000000.8; [L28] double var_1_9 = 7.85; [L29] double var_1_10 = 15.5; [L30] double var_1_11 = 49.875; [L31] unsigned char var_1_12 = 4; [L32] unsigned char var_1_13 = 0; [L33] unsigned short int var_1_14 = 42290; [L34] unsigned short int var_1_15 = 2; [L35] unsigned char var_1_16 = 32; [L36] double var_1_17 = 64.4; [L37] signed long int var_1_18 = 0; [L38] signed char var_1_19 = -1; [L104] isInitial = 1 [L105] FCALL initially() [L106] COND TRUE 1 [L107] FCALL updateLastVariables() [L108] CALL updateVariables() [L68] var_1_2 = __VERIFIER_nondet_ulong() [L69] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L69] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L70] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L70] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_6=8000007/8, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L71] var_1_6 = __VERIFIER_nondet_double() [L72] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L72] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854776000e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_7=197/4, var_1_8=5000000004/5, var_1_9=157/20] [L73] var_1_7 = __VERIFIER_nondet_double() [L74] CALL assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L74] RET assume_abort_if_not((var_1_7 >= 0.0F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854776000e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_8=5000000004/5, var_1_9=157/20] [L75] var_1_8 = __VERIFIER_nondet_double() [L76] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L76] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20, var_1_9=157/20] [L77] var_1_9 = __VERIFIER_nondet_double() [L78] CALL assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L78] RET assume_abort_if_not((var_1_9 >= 0.0F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 4611686.018427382800e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=31/2, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L79] var_1_10 = __VERIFIER_nondet_double() [L80] CALL assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L80] RET assume_abort_if_not((var_1_10 >= 0.0F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 4611686.018427382800e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, var_1_11=399/8, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L81] var_1_11 = __VERIFIER_nondet_double() [L82] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L82] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L83] var_1_13 = __VERIFIER_nondet_uchar() [L84] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L84] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_12=4, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L85] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L85] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=42290, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L86] var_1_14 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_14 >= 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L87] RET assume_abort_if_not(var_1_14 >= 32767) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L88] CALL assume_abort_if_not(var_1_14 <= 65535) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L88] RET assume_abort_if_not(var_1_14 <= 65535) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=2, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L89] var_1_15 = __VERIFIER_nondet_ushort() [L90] CALL assume_abort_if_not(var_1_15 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L90] RET assume_abort_if_not(var_1_15 >= 1) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L91] CALL assume_abort_if_not(var_1_15 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L91] RET assume_abort_if_not(var_1_15 <= 32766) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L92] CALL assume_abort_if_not(var_1_15 != 32767) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L92] RET assume_abort_if_not(var_1_15 != 32767) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=32, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L93] var_1_16 = __VERIFIER_nondet_uchar() [L94] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L94] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L95] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L95] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_17=322/5, var_1_18=0, var_1_19=-1, var_1_1=5, var_1_2=0, var_1_3=183/20] [L108] RET updateVariables() [L109] CALL step() [L42] var_1_17 = (var_1_8 + var_1_9) [L43] var_1_18 = var_1_15 [L44] var_1_19 = 8 [L45] unsigned long int stepLocal_1 = var_1_2; VAL [isInitial=1, stepLocal_1=0, var_1_12=4, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=5, var_1_2=0, var_1_3=183/20] [L46] COND FALSE !(\read(var_1_13)) [L53] var_1_12 = var_1_16 VAL [isInitial=1, stepLocal_1=0, var_1_12=1, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=5, var_1_2=0, var_1_3=183/20] [L55] var_1_1 = var_1_12 [L56] unsigned char stepLocal_0 = var_1_12; VAL [isInitial=1, stepLocal_0=1, stepLocal_1=0, var_1_12=1, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=1, var_1_2=0, var_1_3=183/20] [L57] COND FALSE !(stepLocal_0 < var_1_1) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=0, var_1_12=1, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=1, var_1_2=0, var_1_3=183/20] [L60] COND TRUE (- var_1_17) == (var_1_6 - var_1_7) [L61] var_1_3 = (var_1_8 + (var_1_9 - ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))) VAL [isInitial=1, stepLocal_0=1, stepLocal_1=0, var_1_12=1, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=1, var_1_2=0] [L109] RET step() [L110] CALL, EXPR property() [L100-L101] return (((((var_1_1 == ((unsigned long int) var_1_12)) && ((var_1_12 < var_1_1) ? (var_1_3 == ((double) -0.5)) : (((- var_1_17) == (var_1_6 - var_1_7)) ? (var_1_3 == ((double) (var_1_8 + (var_1_9 - ((((var_1_10) > (var_1_11)) ? (var_1_10) : (var_1_11))))))) : (var_1_3 == ((double) 50.125))))) && (var_1_13 ? (((var_1_18 / (var_1_14 - var_1_15)) <= var_1_2) ? (var_1_12 == ((unsigned char) var_1_16)) : (var_1_12 == ((unsigned char) 16))) : (var_1_12 == ((unsigned char) var_1_16)))) && (var_1_17 == ((double) (var_1_8 + var_1_9)))) && (var_1_18 == ((signed long int) var_1_15))) && (var_1_19 == ((signed char) 8)) ; [L110] RET, EXPR property() [L110] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=1, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=1, var_1_2=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_12=1, var_1_13=0, var_1_14=32767, var_1_15=1, var_1_16=1, var_1_18=1, var_1_19=8, var_1_1=1, var_1_2=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 3, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 175 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 55 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 11 IncrementalHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 120 mSDtfsCounter, 11 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 206 GetRequests, 205 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=46occurred in iteration=0, InterpolantAutomatonStates: 5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 417 NumberOfCodeBlocks, 417 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 206 ConstructedInterpolants, 0 QuantifiedInterpolants, 210 SizeOfPredicates, 3 NumberOfNonLiveVariables, 498 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1088/1088 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 [2023-11-23 21:40:51,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ --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 4caff26fc73638e5f12efd7078239ddc60605dcfb854b96620a2374df91a448f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:40:54,487 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:40:54,607 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-23 21:40:54,614 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:40:54,617 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:40:54,656 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:40:54,657 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:40:54,658 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:40:54,659 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-23 21:40:54,665 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-23 21:40:54,665 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:40:54,666 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:40:54,667 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 21:40:54,669 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 21:40:54,669 INFO L153 SettingsManager]: * Use SBE=true [2023-11-23 21:40:54,670 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:40:54,671 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:40:54,671 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:40:54,672 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:40:54,673 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:40:54,674 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:40:54,674 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:40:54,675 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:40:54,675 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 21:40:54,676 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 21:40:54,676 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 21:40:54,676 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:40:54,677 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:40:54,677 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:40:54,678 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:40:54,679 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 21:40:54,680 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:40:54,680 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:40:54,680 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:40:54,681 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:40:54,681 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:40:54,682 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:40:54,682 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-23 21:40:54,683 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 21:40:54,683 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:40:54,683 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-23 21:40:54,683 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:40:54,684 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-23 21:40:54,684 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:40:54,684 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-23 21:40:54,685 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_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4caff26fc73638e5f12efd7078239ddc60605dcfb854b96620a2374df91a448f [2023-11-23 21:40:55,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:40:55,095 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:40:55,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:40:55,099 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:40:55,100 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:40:55,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i [2023-11-23 21:40:58,351 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:40:58,639 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:40:58,640 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i [2023-11-23 21:40:58,651 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data/420de7f1c/1883663299614edd901ff29c00c10f2b/FLAGcdcb9457a [2023-11-23 21:40:58,671 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/data/420de7f1c/1883663299614edd901ff29c00c10f2b [2023-11-23 21:40:58,674 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:40:58,676 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:40:58,678 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:40:58,678 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:40:58,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:40:58,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:40:58" (1/1) ... [2023-11-23 21:40:58,688 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d289c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:58, skipping insertion in model container [2023-11-23 21:40:58,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:40:58" (1/1) ... [2023-11-23 21:40:58,720 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:40:58,901 WARN L240 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_ca559802-8b3a-4585-82ee-b9b490da0388/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i[915,928] [2023-11-23 21:40:58,952 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:40:58,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:40:58,989 WARN L240 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_ca559802-8b3a-4585-82ee-b9b490da0388/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-10.i[915,928] [2023-11-23 21:40:59,042 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:40:59,079 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:40:59,080 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59 WrapperNode [2023-11-23 21:40:59,080 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:40:59,081 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:40:59,081 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:40:59,082 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:40:59,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,103 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,162 INFO L138 Inliner]: procedures = 27, calls = 30, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 117 [2023-11-23 21:40:59,162 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:40:59,163 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:40:59,176 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:40:59,177 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:40:59,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,235 INFO L184 PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,264 INFO L189 HeapSplitter]: Split 2 memory accesses to 1 slices as follows [2] [2023-11-23 21:40:59,276 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,277 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,290 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,324 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,329 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:40:59,330 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:40:59,330 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:40:59,331 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:40:59,332 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (1/1) ... [2023-11-23 21:40:59,348 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:40:59,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 [2023-11-23 21:40:59,382 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:40:59,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:40:59,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:40:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-23 21:40:59,428 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 21:40:59,428 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 21:40:59,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:40:59,429 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:40:59,528 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:40:59,531 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:41:03,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:41:03,113 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:41:03,113 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 21:41:03,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:03 BoogieIcfgContainer [2023-11-23 21:41:03,114 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:41:03,117 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:41:03,117 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:41:03,121 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:41:03,121 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:40:58" (1/3) ... [2023-11-23 21:41:03,122 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296c18cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:03, skipping insertion in model container [2023-11-23 21:41:03,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:40:59" (2/3) ... [2023-11-23 21:41:03,123 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@296c18cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:41:03, skipping insertion in model container [2023-11-23 21:41:03,123 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:41:03" (3/3) ... [2023-11-23 21:41:03,125 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_25-while_file-10.i [2023-11-23 21:41:03,147 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:41:03,147 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:41:03,202 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:41:03,215 INFO L357 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, mHoare=true, 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;@2040747b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:41:03,216 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:41:03,221 INFO L276 IsEmpty]: Start isEmpty. Operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 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) [2023-11-23 21:41:03,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:41:03,241 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:41:03,243 INFO L195 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] [2023-11-23 21:41:03,244 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:41:03,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:41:03,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1432935190, now seen corresponding path program 1 times [2023-11-23 21:41:03,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:41:03,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2047747143] [2023-11-23 21:41:03,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:41:03,292 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 [2023-11-23 21:41:03,293 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:41:03,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:41:03,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:03,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:41:03,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 21:41:03,813 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:41:03,859 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-23 21:41:03,859 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:41:03,860 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:41:03,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2047747143] [2023-11-23 21:41:03,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2047747143] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:41:03,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:41:03,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:41:03,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077450703] [2023-11-23 21:41:03,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:41:03,870 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:41:03,871 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:41:03,905 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:41:03,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:41:03,909 INFO L87 Difference]: Start difference. First operand has 46 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 27 states have internal predecessors, (35), 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), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:41:06,051 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:41:06,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:41:06,053 INFO L93 Difference]: Finished difference Result 89 states and 153 transitions. [2023-11-23 21:41:06,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:41:06,082 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), 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 104 [2023-11-23 21:41:06,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:41:06,089 INFO L225 Difference]: With dead ends: 89 [2023-11-23 21:41:06,089 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:41:06,093 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:41:06,097 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:41:06,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 21:41:06,119 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:41:06,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:41:06,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.2) internal successors, (30), 25 states have internal predecessors, (30), 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) [2023-11-23 21:41:06,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 64 transitions. [2023-11-23 21:41:06,156 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 64 transitions. Word has length 104 [2023-11-23 21:41:06,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:41:06,157 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 64 transitions. [2023-11-23 21:41:06,158 INFO L496 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), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-23 21:41:06,158 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-23 21:41:06,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-23 21:41:06,161 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:41:06,161 INFO L195 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] [2023-11-23 21:41:06,171 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:06,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:06,363 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:41:06,363 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:41:06,364 INFO L85 PathProgramCache]: Analyzing trace with hash 1679398756, now seen corresponding path program 1 times [2023-11-23 21:41:06,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:41:06,365 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [772397490] [2023-11-23 21:41:06,365 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:41:06,365 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 [2023-11-23 21:41:06,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:41:06,367 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:41:06,368 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:07,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:41:07,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 21:41:07,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 21:41:07,269 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-23 21:41:07,269 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 21:41:07,270 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-23 21:41:07,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [772397490] [2023-11-23 21:41:07,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [772397490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:41:07,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:41:07,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:41:07,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902866505] [2023-11-23 21:41:07,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:41:07,280 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:41:07,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-23 21:41:07,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:41:07,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:41:07,283 INFO L87 Difference]: Start difference. First operand 44 states and 64 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:41:09,458 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:41:11,152 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.69s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 21:41:11,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:41:11,156 INFO L93 Difference]: Finished difference Result 87 states and 127 transitions. [2023-11-23 21:41:11,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:41:11,186 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 104 [2023-11-23 21:41:11,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:41:11,189 INFO L225 Difference]: With dead ends: 87 [2023-11-23 21:41:11,190 INFO L226 Difference]: Without dead ends: 44 [2023-11-23 21:41:11,191 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:41:11,192 INFO L413 NwaCegarLoop]: 59 mSDtfsCounter, 3 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 114 SdHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-23 21:41:11,193 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 114 Invalid, 8 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 1 Unknown, 0 Unchecked, 3.8s Time] [2023-11-23 21:41:11,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 44 states. [2023-11-23 21:41:11,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 44 to 44. [2023-11-23 21:41:11,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 44 states, 25 states have (on average 1.16) internal successors, (29), 25 states have internal predecessors, (29), 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) [2023-11-23 21:41:11,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 44 states and 63 transitions. [2023-11-23 21:41:11,205 INFO L78 Accepts]: Start accepts. Automaton has 44 states and 63 transitions. Word has length 104 [2023-11-23 21:41:11,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:41:11,208 INFO L495 AbstractCegarLoop]: Abstraction has 44 states and 63 transitions. [2023-11-23 21:41:11,208 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2023-11-23 21:41:11,208 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 63 transitions. [2023-11-23 21:41:11,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-23 21:41:11,211 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:41:11,211 INFO L195 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] [2023-11-23 21:41:11,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:11,426 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:11,427 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:41:11,428 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:41:11,428 INFO L85 PathProgramCache]: Analyzing trace with hash 521545361, now seen corresponding path program 1 times [2023-11-23 21:41:11,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-23 21:41:11,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [882351000] [2023-11-23 21:41:11,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:41:11,429 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 [2023-11-23 21:41:11,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/mathsat [2023-11-23 21:41:11,431 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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) [2023-11-23 21:41:11,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca559802-8b3a-4585-82ee-b9b490da0388/bin/uautomizer-verify-zZY32mL2XJ/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 [2023-11-23 21:41:12,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:41:12,305 INFO L262 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-23 21:41:12,316 INFO L285 TraceCheckSpWp]: Computing forward predicates...