./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu --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 1605b160926a78e1fde223527934d14da473f0110a1b5b03b3aa4225b20b34fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:47:53,620 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:47:53,722 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:47:53,729 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:47:53,729 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:47:53,757 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:47:53,757 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:47:53,758 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:47:53,759 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:47:53,760 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:47:53,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:47:53,761 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:47:53,762 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:47:53,763 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:47:53,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:47:53,764 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:47:53,765 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:47:53,765 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:47:53,766 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:47:53,766 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:47:53,767 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:47:53,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:47:53,768 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:47:53,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:47:53,769 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:47:53,770 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:47:53,771 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:47:53,771 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:47:53,771 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:53,772 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:47:53,773 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:47:53,773 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:47:53,773 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:47:53,774 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:47:53,774 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:47:53,775 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:47:53,775 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:47:53,775 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:47:53,776 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:47:53,776 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1605b160926a78e1fde223527934d14da473f0110a1b5b03b3aa4225b20b34fa [2023-11-19 07:47:54,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:47:54,037 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:47:54,039 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:47:54,041 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:47:54,042 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:47:54,043 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i [2023-11-19 07:47:57,251 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:47:57,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:47:57,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i [2023-11-19 07:47:57,600 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data/a64d57281/de71a0fb8dd94bae99d10d7547b4bb75/FLAGdb97df4cb [2023-11-19 07:47:57,616 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data/a64d57281/de71a0fb8dd94bae99d10d7547b4bb75 [2023-11-19 07:47:57,619 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:47:57,621 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:47:57,622 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:57,623 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:47:57,628 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:47:57,629 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:57,630 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c4ac127 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57, skipping insertion in model container [2023-11-19 07:47:57,630 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:57,660 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:47:57,828 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i[913,926] [2023-11-19 07:47:57,906 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:57,920 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:47:57,932 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i[913,926] [2023-11-19 07:47:57,963 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:47:57,982 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:47:57,983 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57 WrapperNode [2023-11-19 07:47:57,983 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:47:57,984 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:57,984 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:47:57,985 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:47:57,992 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,017 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,059 INFO L138 Inliner]: procedures = 26, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 116 [2023-11-19 07:47:58,060 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:47:58,061 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:47:58,061 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:47:58,061 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:47:58,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,084 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,085 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,100 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,106 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,111 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:47:58,112 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:47:58,112 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:47:58,112 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:47:58,113 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (1/1) ... [2023-11-19 07:47:58,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:47:58,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:58,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:47:58,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:47:58,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:47:58,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:47:58,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:47:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:47:58,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:47:58,221 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:47:58,360 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:47:58,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:47:58,794 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:47:58,807 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:47:58,807 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:47:58,812 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:58 BoogieIcfgContainer [2023-11-19 07:47:58,813 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:47:58,820 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:47:58,820 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:47:58,840 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:47:58,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:47:57" (1/3) ... [2023-11-19 07:47:58,841 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5274042b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:58, skipping insertion in model container [2023-11-19 07:47:58,841 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:47:57" (2/3) ... [2023-11-19 07:47:58,845 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5274042b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:47:58, skipping insertion in model container [2023-11-19 07:47:58,845 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:58" (3/3) ... [2023-11-19 07:47:58,846 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-41.i [2023-11-19 07:47:58,863 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:47:58,863 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:47:58,922 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:47:58,928 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;@1921e6a0, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:47:58,928 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:47:58,935 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:47:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 07:47:58,947 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:58,948 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:58,948 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:58,954 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:58,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1457831294, now seen corresponding path program 1 times [2023-11-19 07:47:58,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:58,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021971033] [2023-11-19 07:47:58,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:58,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:47:59,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:59,262 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:47:59,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021971033] [2023-11-19 07:47:59,265 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-19 07:47:59,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1078077879] [2023-11-19 07:47:59,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:59,266 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:47:59,266 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:47:59,272 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:47:59,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-19 07:47:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:47:59,466 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:47:59,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:47:59,549 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2023-11-19 07:47:59,549 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:47:59,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1078077879] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:47:59,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:47:59,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:47:59,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134949944] [2023-11-19 07:47:59,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:47:59,563 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:47:59,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:47:59,614 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:47:59,615 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:59,617 INFO L87 Difference]: Start difference. First operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:47:59,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:47:59,646 INFO L93 Difference]: Finished difference Result 97 states and 161 transitions. [2023-11-19 07:47:59,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:47:59,648 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2023-11-19 07:47:59,649 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:47:59,655 INFO L225 Difference]: With dead ends: 97 [2023-11-19 07:47:59,655 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:47:59,659 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:47:59,663 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:47:59,664 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:47:59,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:47:59,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:47:59,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:47:59,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2023-11-19 07:47:59,711 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 91 [2023-11-19 07:47:59,711 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:47:59,711 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2023-11-19 07:47:59,712 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 15.5) internal successors, (31), 2 states have internal predecessors, (31), 2 states have call successors, (13), 2 states have call predecessors, (13), 1 states have return successors, (13), 1 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:47:59,712 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-19 07:47:59,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 07:47:59,717 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:47:59,718 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:47:59,748 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-19 07:47:59,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-19 07:47:59,941 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:47:59,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:47:59,943 INFO L85 PathProgramCache]: Analyzing trace with hash 346815552, now seen corresponding path program 1 times [2023-11-19 07:47:59,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:47:59,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1380375502] [2023-11-19 07:47:59,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:47:59,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:00,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:48:00,001 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [973312155] [2023-11-19 07:48:00,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:00,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:00,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:00,003 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:00,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-19 07:48:00,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:00,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 240 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 07:48:00,250 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:00,669 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 137 proven. 9 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2023-11-19 07:48:00,669 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-19 07:48:02,193 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 33 proven. 3 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2023-11-19 07:48:02,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:48:02,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1380375502] [2023-11-19 07:48:02,194 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-19 07:48:02,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [973312155] [2023-11-19 07:48:02,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [973312155] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-19 07:48:02,195 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-19 07:48:02,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 7] total 15 [2023-11-19 07:48:02,196 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047580060] [2023-11-19 07:48:02,196 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-19 07:48:02,197 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-19 07:48:02,197 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:48:02,198 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-19 07:48:02,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=155, Unknown=0, NotChecked=0, Total=210 [2023-11-19 07:48:02,199 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 4 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2023-11-19 07:48:03,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:03,641 INFO L93 Difference]: Finished difference Result 145 states and 197 transitions. [2023-11-19 07:48:03,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2023-11-19 07:48:03,642 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 4 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) Word has length 91 [2023-11-19 07:48:03,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:03,645 INFO L225 Difference]: With dead ends: 145 [2023-11-19 07:48:03,645 INFO L226 Difference]: Without dead ends: 100 [2023-11-19 07:48:03,646 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 168 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=256, Invalid=674, Unknown=0, NotChecked=0, Total=930 [2023-11-19 07:48:03,648 INFO L413 NwaCegarLoop]: 45 mSDtfsCounter, 178 mSDsluCounter, 152 mSDsCounter, 0 mSdLazyCounter, 237 mSolverCounterSat, 95 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 197 SdHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 95 IncrementalHoareTripleChecker+Valid, 237 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:03,649 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 197 Invalid, 332 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [95 Valid, 237 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-19 07:48:03,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-19 07:48:03,673 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 86. [2023-11-19 07:48:03,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 59 states have (on average 1.2033898305084745) internal successors, (71), 60 states have internal predecessors, (71), 22 states have call successors, (22), 4 states have call predecessors, (22), 4 states have return successors, (22), 21 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:48:03,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 115 transitions. [2023-11-19 07:48:03,676 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 115 transitions. Word has length 91 [2023-11-19 07:48:03,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:03,677 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 115 transitions. [2023-11-19 07:48:03,678 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.533333333333333) internal successors, (53), 15 states have internal predecessors, (53), 4 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (17), 4 states have call predecessors, (17), 4 states have call successors, (17) [2023-11-19 07:48:03,678 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 115 transitions. [2023-11-19 07:48:03,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 07:48:03,680 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:03,681 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:03,708 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2023-11-19 07:48:03,900 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:03,900 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:03,901 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:03,901 INFO L85 PathProgramCache]: Analyzing trace with hash -2078270937, now seen corresponding path program 1 times [2023-11-19 07:48:03,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:48:03,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [996109964] [2023-11-19 07:48:03,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:03,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:48:03,946 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-19 07:48:03,946 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1927265572] [2023-11-19 07:48:03,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:03,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:03,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:03,955 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-19 07:48:03,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-19 07:48:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:04,147 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:48:04,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:48:04,283 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:48:04,283 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:48:04,284 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:48:04,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:04,493 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-19 07:48:04,497 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2023-11-19 07:48:04,501 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:48:04,596 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:48:04 BoogieIcfgContainer [2023-11-19 07:48:04,600 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:48:04,602 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:48:04,602 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:48:04,602 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:48:04,603 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:47:58" (3/4) ... [2023-11-19 07:48:04,605 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:48:04,606 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:48:04,615 INFO L158 Benchmark]: Toolchain (without parser) took 6986.69ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 105.4MB in the beginning and 124.2MB in the end (delta: -18.8MB). Peak memory consumption was 22.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:04,617 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:04,617 INFO L158 Benchmark]: CACSL2BoogieTranslator took 360.89ms. Allocated memory is still 136.3MB. Free memory was 105.4MB in the beginning and 92.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:48:04,618 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.89ms. Allocated memory is still 136.3MB. Free memory was 91.9MB in the beginning and 88.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:04,619 INFO L158 Benchmark]: Boogie Preprocessor took 50.36ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 87.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 07:48:04,621 INFO L158 Benchmark]: RCFGBuilder took 703.36ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 67.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-19 07:48:04,623 INFO L158 Benchmark]: TraceAbstraction took 5780.43ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 67.0MB in the beginning and 124.2MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:04,626 INFO L158 Benchmark]: Witness Printer took 4.95ms. Allocated memory is still 176.2MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:48:04,632 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 104.9MB. Free memory is still 64.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 360.89ms. Allocated memory is still 136.3MB. Free memory was 105.4MB in the beginning and 92.2MB in the end (delta: 13.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.89ms. Allocated memory is still 136.3MB. Free memory was 91.9MB in the beginning and 88.7MB in the end (delta: 3.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.36ms. Allocated memory is still 136.3MB. Free memory was 88.7MB in the beginning and 87.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 703.36ms. Allocated memory is still 136.3MB. Free memory was 86.6MB in the beginning and 67.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 5780.43ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 67.0MB in the beginning and 124.2MB in the end (delta: -57.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.95ms. Allocated memory is still 176.2MB. Free memory is still 124.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 112, overapproximation of someBinaryDOUBLEComparisonOperation at line 112. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 0; [L23] unsigned char var_1_4 = 1; [L24] unsigned char var_1_5 = 1; [L25] unsigned char var_1_6 = 0; [L26] signed char var_1_8 = 64; [L27] signed char var_1_11 = -10; [L28] signed char var_1_12 = 64; [L29] float var_1_13 = 1.6; [L30] float var_1_14 = 3.5; [L31] unsigned char var_1_15 = 8; [L32] unsigned char var_1_16 = 4; [L33] unsigned short int var_1_17 = 2; [L34] unsigned short int var_1_18 = 10000; [L35] signed short int var_1_20 = 4; [L36] signed char var_1_22 = -32; [L37] unsigned long int var_1_23 = 0; [L38] unsigned char last_1_var_1_15 = 8; VAL [isInitial=0, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L116] isInitial = 1 [L117] FCALL initially() [L118] COND TRUE 1 [L119] CALL updateLastVariables() [L109] last_1_var_1_15 = var_1_15 VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L119] RET updateLastVariables() [L120] CALL updateVariables() [L87] var_1_4 = __VERIFIER_nondet_uchar() [L88] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L88] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L89] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L89] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L90] var_1_5 = __VERIFIER_nondet_uchar() [L91] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L91] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L92] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L92] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=-10, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L93] var_1_11 = __VERIFIER_nondet_char() [L94] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L94] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L95] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L95] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=64, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L96] var_1_12 = __VERIFIER_nondet_char() [L97] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L97] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L98] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L98] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=7/2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L99] var_1_14 = __VERIFIER_nondet_float() [L100] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L100] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=4, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L101] var_1_16 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L102] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L103] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L103] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=10000, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L104] var_1_18 = __VERIFIER_nondet_ushort() [L105] CALL assume_abort_if_not(var_1_18 >= 8192) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L105] RET assume_abort_if_not(var_1_18 >= 8192) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L106] CALL assume_abort_if_not(var_1_18 <= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L106] RET assume_abort_if_not(var_1_18 <= 16384) VAL [isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L120] RET updateVariables() [L121] CALL step() [L42] unsigned char stepLocal_1 = ! var_1_5; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L43] COND FALSE !(stepLocal_1 || (var_1_12 < last_1_var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L50] COND FALSE !((127.35 + var_1_13) <= var_1_13) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=0, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L55] COND FALSE !((- var_1_13) > 31.9f) [L58] var_1_1 = var_1_5 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=8, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L60] COND TRUE \read(var_1_1) [L61] var_1_15 = var_1_16 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=-32, var_1_23=0, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L63] var_1_22 = 1 [L64] var_1_23 = var_1_22 [L65] unsigned long int stepLocal_0 = var_1_23; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=64] [L66] COND TRUE var_1_15 > stepLocal_0 [L67] var_1_8 = ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L69] unsigned char stepLocal_2 = var_1_23 < var_1_15; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=2, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L70] COND TRUE var_1_1 || stepLocal_2 [L71] var_1_17 = (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L75] signed long int stepLocal_3 = -10; VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L76] COND FALSE !(((var_1_15 / var_1_18) * var_1_15) < stepLocal_3) VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=4, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L79] COND FALSE !(! (var_1_17 <= var_1_17)) [L82] var_1_20 = var_1_12 VAL [isInitial=1, last_1_var_1_15=8, stepLocal_0=1, stepLocal_1=0, stepLocal_2=1, stepLocal_3=-10, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L121] RET step() [L122] CALL, EXPR property() [L112-L113] return ((((((((((- var_1_13) > 31.9f) ? (var_1_1 == ((unsigned char) ((var_1_6 || var_1_4) && var_1_5))) : (var_1_1 == ((unsigned char) var_1_5))) && (((127.35 + var_1_13) <= var_1_13) ? ((4.5 <= (var_1_13 * var_1_13)) ? (var_1_6 == ((unsigned char) var_1_5)) : 1) : 1)) && ((var_1_15 > var_1_23) ? (var_1_8 == ((signed char) ((((var_1_11) < (var_1_12)) ? (var_1_11) : (var_1_12))))) : 1)) && (((! var_1_5) || (var_1_12 < last_1_var_1_15)) ? ((! var_1_5) ? (var_1_13 == ((float) var_1_14)) : (var_1_13 == ((float) var_1_14))) : 1)) && (var_1_1 ? (var_1_15 == ((unsigned char) var_1_16)) : 1)) && ((var_1_1 || (var_1_23 < var_1_15)) ? (var_1_17 == ((unsigned short int) (var_1_15 + ((var_1_18 - var_1_16) + var_1_15)))) : (var_1_17 == ((unsigned short int) (var_1_16 + var_1_18))))) && ((((var_1_15 / var_1_18) * var_1_15) < -10) ? (var_1_20 == ((signed short int) ((((var_1_15) > (var_1_16)) ? (var_1_15) : (var_1_16))))) : ((! (var_1_17 <= var_1_17)) ? (var_1_20 == ((signed short int) var_1_11)) : (var_1_20 == ((signed short int) var_1_12))))) && (var_1_22 == ((signed char) 1))) && (var_1_23 == ((unsigned long int) var_1_22)) ; VAL [\result=0, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L122] RET, EXPR property() [L122] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_15=8, var_1_11=8, var_1_12=8, var_1_13=8/5, var_1_14=2, var_1_15=2, var_1_16=2, var_1_17=16386, var_1_18=16384, var_1_1=1, var_1_20=8, var_1_22=1, var_1_23=1, var_1_4=1, var_1_5=1, var_1_6=0, var_1_8=8] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 52 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.6s, OverallIterations: 3, TraceHistogramMax: 13, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 178 mSDsluCounter, 266 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 95 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 237 IncrementalHoareTripleChecker+Invalid, 332 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 95 mSolverCounterUnsat, 114 mSDtfsCounter, 237 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 287 GetRequests, 258 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 207 ImplicationChecksByTransitivity, 1.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=86occurred in iteration=2, InterpolantAutomatonStates: 24, 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, 14 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 365 NumberOfCodeBlocks, 365 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 715 SizeOfPredicates, 12 NumberOfNonLiveVariables, 480 ConjunctsInSsa, 21 ConjunctsInUnsatCore, 3 InterpolantComputations, 1 PerfectInterpolantSequences, 924/936 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 [2023-11-19 07:48:04,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu --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 1605b160926a78e1fde223527934d14da473f0110a1b5b03b3aa4225b20b34fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:48:07,455 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:48:07,560 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:48:07,566 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:48:07,567 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:48:07,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:48:07,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:48:07,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:48:07,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:48:07,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:48:07,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:48:07,599 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:48:07,599 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:48:07,600 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:48:07,601 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:48:07,601 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:48:07,602 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:48:07,603 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:48:07,603 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:48:07,604 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:48:07,604 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:48:07,605 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:48:07,606 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:48:07,606 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:48:07,607 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:48:07,607 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:48:07,608 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:48:07,609 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:48:07,609 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:48:07,610 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:48:07,610 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:07,611 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:48:07,612 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:48:07,612 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:48:07,612 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:48:07,613 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:48:07,613 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:48:07,614 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:48:07,614 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:48:07,614 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:48:07,615 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:48:07,615 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:48:07,615 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1605b160926a78e1fde223527934d14da473f0110a1b5b03b3aa4225b20b34fa [2023-11-19 07:48:08,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:48:08,069 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:48:08,072 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:48:08,074 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:48:08,075 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:48:08,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i [2023-11-19 07:48:11,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:48:11,680 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:48:11,681 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i [2023-11-19 07:48:11,696 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data/dbd6286b3/942bf7a8b1fb45e69932318ad89df6b2/FLAG94bbe171c [2023-11-19 07:48:11,711 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/data/dbd6286b3/942bf7a8b1fb45e69932318ad89df6b2 [2023-11-19 07:48:11,715 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:48:11,717 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:48:11,718 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:11,719 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:48:11,726 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:48:11,730 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:11" (1/1) ... [2023-11-19 07:48:11,731 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74195c66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:11, skipping insertion in model container [2023-11-19 07:48:11,732 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:11" (1/1) ... [2023-11-19 07:48:11,790 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:48:12,002 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i[913,926] [2023-11-19 07:48:12,080 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:12,115 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:48:12,136 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_606f7e7d-a466-4a83-9ecc-b4db85f225e7/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-41.i[913,926] [2023-11-19 07:48:12,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:48:12,231 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:48:12,232 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12 WrapperNode [2023-11-19 07:48:12,232 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:48:12,234 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:12,234 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:48:12,235 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:48:12,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,279 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,342 INFO L138 Inliner]: procedures = 27, calls = 26, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 114 [2023-11-19 07:48:12,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:48:12,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:48:12,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:48:12,344 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:48:12,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,386 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,387 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,402 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,419 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,425 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,439 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,444 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:48:12,445 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:48:12,445 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:48:12,446 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:48:12,457 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (1/1) ... [2023-11-19 07:48:12,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:48:12,488 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:48:12,506 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:48:12,545 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:48:12,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:48:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:48:12,560 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:48:12,560 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:48:12,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:48:12,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:48:12,713 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:48:12,716 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:48:18,656 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:48:18,672 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:48:18,675 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:48:18,680 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:18 BoogieIcfgContainer [2023-11-19 07:48:18,681 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:48:18,686 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:48:18,687 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:48:18,690 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:48:18,691 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:11" (1/3) ... [2023-11-19 07:48:18,692 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4593084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:18, skipping insertion in model container [2023-11-19 07:48:18,692 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:12" (2/3) ... [2023-11-19 07:48:18,694 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4593084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:18, skipping insertion in model container [2023-11-19 07:48:18,696 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:18" (3/3) ... [2023-11-19 07:48:18,698 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-41.i [2023-11-19 07:48:18,725 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:48:18,725 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:48:18,788 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:48:18,796 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;@6152757f, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:48:18,797 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:48:18,804 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:48:18,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 07:48:18,818 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:18,820 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:18,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:18,833 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:18,833 INFO L85 PathProgramCache]: Analyzing trace with hash -1457831294, now seen corresponding path program 1 times [2023-11-19 07:48:18,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:18,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [600507375] [2023-11-19 07:48:18,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:18,856 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 [2023-11-19 07:48:18,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:18,862 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:48:18,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:19,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:48:19,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:19,355 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2023-11-19 07:48:19,355 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:19,356 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:19,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [600507375] [2023-11-19 07:48:19,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [600507375] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:19,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:19,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:48:19,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713577925] [2023-11-19 07:48:19,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:19,367 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:48:19,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:19,400 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:48:19,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:48:19,404 INFO L87 Difference]: Start difference. First operand has 52 states, 36 states have (on average 1.4166666666666667) internal successors, (51), 37 states have internal predecessors, (51), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:48:19,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:19,437 INFO L93 Difference]: Finished difference Result 97 states and 161 transitions. [2023-11-19 07:48:19,441 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:48:19,442 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2023-11-19 07:48:19,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:19,455 INFO L225 Difference]: With dead ends: 97 [2023-11-19 07:48:19,455 INFO L226 Difference]: Without dead ends: 48 [2023-11-19 07:48:19,461 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:48:19,466 INFO L413 NwaCegarLoop]: 69 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:19,467 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:48:19,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2023-11-19 07:48:19,512 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2023-11-19 07:48:19,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 33 states have (on average 1.303030303030303) internal successors, (43), 33 states have internal predecessors, (43), 13 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:48:19,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 69 transitions. [2023-11-19 07:48:19,518 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 69 transitions. Word has length 91 [2023-11-19 07:48:19,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:19,518 INFO L495 AbstractCegarLoop]: Abstraction has 48 states and 69 transitions. [2023-11-19 07:48:19,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 2 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 2 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:48:19,519 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2023-11-19 07:48:19,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-19 07:48:19,528 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:19,529 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:19,540 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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)] Forceful destruction successful, exit code 0 [2023-11-19 07:48:19,736 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:19,736 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:19,737 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:19,737 INFO L85 PathProgramCache]: Analyzing trace with hash 346815552, now seen corresponding path program 1 times [2023-11-19 07:48:19,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:19,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1730607302] [2023-11-19 07:48:19,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:19,739 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 [2023-11-19 07:48:19,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:19,741 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:48:19,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:20,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:20,146 INFO L262 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 07:48:20,157 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:48:20,920 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-19 07:48:20,921 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:48:20,921 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:48:20,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1730607302] [2023-11-19 07:48:20,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1730607302] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:48:20,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:48:20,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2023-11-19 07:48:20,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583731636] [2023-11-19 07:48:20,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:48:20,924 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-19 07:48:20,924 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:48:20,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-19 07:48:20,925 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2023-11-19 07:48:20,926 INFO L87 Difference]: Start difference. First operand 48 states and 69 transitions. Second operand has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:48:23,771 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-19 07:48:24,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:48:24,394 INFO L93 Difference]: Finished difference Result 103 states and 143 transitions. [2023-11-19 07:48:24,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-19 07:48:24,425 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) Word has length 91 [2023-11-19 07:48:24,426 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:48:24,428 INFO L225 Difference]: With dead ends: 103 [2023-11-19 07:48:24,428 INFO L226 Difference]: Without dead ends: 58 [2023-11-19 07:48:24,429 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2023-11-19 07:48:24,432 INFO L413 NwaCegarLoop]: 50 mSDtfsCounter, 78 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 26 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2023-11-19 07:48:24,432 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 156 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 118 Invalid, 1 Unknown, 0 Unchecked, 3.2s Time] [2023-11-19 07:48:24,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2023-11-19 07:48:24,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 56. [2023-11-19 07:48:24,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 56 states, 39 states have (on average 1.2307692307692308) internal successors, (48), 39 states have internal predecessors, (48), 13 states have call successors, (13), 3 states have call predecessors, (13), 3 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-19 07:48:24,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 56 states and 74 transitions. [2023-11-19 07:48:24,453 INFO L78 Accepts]: Start accepts. Automaton has 56 states and 74 transitions. Word has length 91 [2023-11-19 07:48:24,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:48:24,454 INFO L495 AbstractCegarLoop]: Abstraction has 56 states and 74 transitions. [2023-11-19 07:48:24,454 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.888888888888889) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (13), 2 states have call predecessors, (13), 3 states have return successors, (13), 3 states have call predecessors, (13), 2 states have call successors, (13) [2023-11-19 07:48:24,454 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 74 transitions. [2023-11-19 07:48:24,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2023-11-19 07:48:24,457 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:48:24,457 INFO L195 NwaCegarLoop]: trace histogram [13, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-19 07:48:24,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:24,667 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:24,667 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:48:24,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:48:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash -2078270937, now seen corresponding path program 1 times [2023-11-19 07:48:24,669 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:48:24,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [837015494] [2023-11-19 07:48:24,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:48:24,670 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 [2023-11-19 07:48:24,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:48:24,673 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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) [2023-11-19 07:48:24,700 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_606f7e7d-a466-4a83-9ecc-b4db85f225e7/bin/uautomizer-verify-uCwYo4JHxu/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 [2023-11-19 07:48:25,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:48:25,443 INFO L262 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-19 07:48:25,455 INFO L285 TraceCheckSpWp]: Computing forward predicates...