./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.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_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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_d1804be4-1999-4677-8eff-0be4330dc28e/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 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:05,601 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:05,725 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-19 07:57:05,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:05,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:05,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:05,776 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:05,776 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:05,778 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:57:05,783 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:57:05,784 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:05,785 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:05,785 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:05,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:05,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:57:05,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:05,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 07:57:05,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:05,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:05,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:57:05,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:57:05,791 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:57:05,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:05,794 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:05,794 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:05,795 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:05,796 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:05,796 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:57:05,797 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:05,797 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:05,799 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:57:05,799 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:57:05,799 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-19 07:57:05,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 07:57:05,800 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:57:05,800 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:57:05,801 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:57:05,801 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:57:05,801 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:57:05,801 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_d1804be4-1999-4677-8eff-0be4330dc28e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 [2023-11-19 07:57:06,122 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:06,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:06,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:06,159 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:06,161 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:06,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2023-11-19 07:57:09,345 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:09,640 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:09,641 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2023-11-19 07:57:09,653 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data/eb8219644/5a96c3a80a3541adad34c03ac4b4346c/FLAG8e9518b61 [2023-11-19 07:57:09,670 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data/eb8219644/5a96c3a80a3541adad34c03ac4b4346c [2023-11-19 07:57:09,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:09,679 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:09,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:09,683 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:09,688 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:09,689 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:09" (1/1) ... [2023-11-19 07:57:09,690 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3541cea8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:09, skipping insertion in model container [2023-11-19 07:57:09,690 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:09" (1/1) ... [2023-11-19 07:57:09,735 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:09,936 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_d1804be4-1999-4677-8eff-0be4330dc28e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2023-11-19 07:57:10,010 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:10,034 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:10,054 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_d1804be4-1999-4677-8eff-0be4330dc28e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2023-11-19 07:57:10,097 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:10,116 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:10,116 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10 WrapperNode [2023-11-19 07:57:10,117 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:10,118 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:10,118 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:10,119 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:10,127 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,137 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,172 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 133 [2023-11-19 07:57:10,173 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:10,174 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:10,174 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:10,174 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:10,189 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,190 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,192 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,194 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,201 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,217 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,219 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,226 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,230 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:10,235 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:10,236 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:10,236 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:10,237 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (1/1) ... [2023-11-19 07:57:10,242 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:10,254 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:10,267 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:10,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:10,313 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:57:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:57:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 07:57:10,314 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:10,314 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:10,396 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:10,399 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:10,690 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:10,699 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:10,699 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:57:10,703 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:10 BoogieIcfgContainer [2023-11-19 07:57:10,703 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:10,707 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:57:10,707 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:57:10,711 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:57:10,711 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:09" (1/3) ... [2023-11-19 07:57:10,712 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7aab42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:10, skipping insertion in model container [2023-11-19 07:57:10,712 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:10" (2/3) ... [2023-11-19 07:57:10,713 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d7aab42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:10, skipping insertion in model container [2023-11-19 07:57:10,713 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:10" (3/3) ... [2023-11-19 07:57:10,714 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-10.i [2023-11-19 07:57:10,735 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:57:10,736 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:57:10,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:10,805 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;@6af28b5d, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:10,805 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:57:10,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:57:10,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 07:57:10,833 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:10,834 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:10,836 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:10,843 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:10,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1489822920, now seen corresponding path program 1 times [2023-11-19 07:57:10,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:10,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023448181] [2023-11-19 07:57:10,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:10,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:11,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,195 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2023-11-19 07:57:11,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-19 07:57:11,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-19 07:57:11,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2023-11-19 07:57:11,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,259 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2023-11-19 07:57:11,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2023-11-19 07:57:11,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2023-11-19 07:57:11,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2023-11-19 07:57:11,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2023-11-19 07:57:11,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,314 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2023-11-19 07:57:11,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2023-11-19 07:57:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2023-11-19 07:57:11,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2023-11-19 07:57:11,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76 [2023-11-19 07:57:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2023-11-19 07:57:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2023-11-19 07:57:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2023-11-19 07:57:11,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-19 07:57:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,391 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-19 07:57:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 109 [2023-11-19 07:57:11,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2023-11-19 07:57:11,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,405 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2023-11-19 07:57:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:11,412 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 924 trivial. 0 not checked. [2023-11-19 07:57:11,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-19 07:57:11,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023448181] [2023-11-19 07:57:11,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023448181] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:11,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:11,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:11,416 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [969793418] [2023-11-19 07:57:11,417 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:11,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:57:11,422 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-19 07:57:11,451 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:57:11,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:11,454 INFO L87 Difference]: Start difference. First operand has 57 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:57:11,520 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:11,520 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2023-11-19 07:57:11,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:57:11,523 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2023-11-19 07:57:11,523 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:11,530 INFO L225 Difference]: With dead ends: 107 [2023-11-19 07:57:11,530 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 07:57:11,534 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 68 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 07:57:11,538 INFO L413 NwaCegarLoop]: 78 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, 78 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 07:57:11,539 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:57:11,555 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 07:57:11,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 07:57:11,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:57:11,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2023-11-19 07:57:11,587 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 134 [2023-11-19 07:57:11,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:11,588 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2023-11-19 07:57:11,588 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 13.5) internal successors, (27), 2 states have internal predecessors, (27), 2 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 1 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:57:11,589 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 07:57:11,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 07:57:11,593 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:11,593 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:11,593 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-19 07:57:11,594 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:11,594 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:11,595 INFO L85 PathProgramCache]: Analyzing trace with hash 945914760, now seen corresponding path program 1 times [2023-11-19 07:57:11,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-19 07:57:11,595 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897707917] [2023-11-19 07:57:11,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 07:57:11,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:11,823 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 07:57:12,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 07:57:12,141 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-19 07:57:12,141 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-19 07:57:12,143 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-19 07:57:12,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-19 07:57:12,149 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2023-11-19 07:57:12,152 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-19 07:57:12,260 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:57:12 BoogieIcfgContainer [2023-11-19 07:57:12,260 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-19 07:57:12,261 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 07:57:12,261 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 07:57:12,261 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 07:57:12,262 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:10" (3/4) ... [2023-11-19 07:57:12,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 07:57:12,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 07:57:12,266 INFO L158 Benchmark]: Toolchain (without parser) took 2587.05ms. Allocated memory is still 157.3MB. Free memory was 121.4MB in the beginning and 111.7MB in the end (delta: 9.8MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2023-11-19 07:57:12,266 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:12,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.89ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 108.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 07:57:12,267 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.97ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 106.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 07:57:12,268 INFO L158 Benchmark]: Boogie Preprocessor took 60.96ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:12,269 INFO L158 Benchmark]: RCFGBuilder took 467.95ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 88.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 07:57:12,269 INFO L158 Benchmark]: TraceAbstraction took 1553.06ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 111.7MB in the end (delta: -23.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2023-11-19 07:57:12,270 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 157.3MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 07:57:12,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 109.1MB. Free memory is still 56.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.89ms. Allocated memory is still 157.3MB. Free memory was 121.1MB in the beginning and 108.6MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.97ms. Allocated memory is still 157.3MB. Free memory was 108.6MB in the beginning and 106.1MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.96ms. Allocated memory is still 157.3MB. Free memory was 106.1MB in the beginning and 105.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.95ms. Allocated memory is still 157.3MB. Free memory was 104.6MB in the beginning and 88.9MB in the end (delta: 15.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1553.06ms. Allocated memory is still 157.3MB. Free memory was 88.2MB in the beginning and 111.7MB in the end (delta: -23.4MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 157.3MB. Free memory is still 111.7MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of to_int at line 109. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 5; [L23] unsigned long int var_1_2 = 8; [L24] signed long int var_1_3 = 9; [L25] signed long int var_1_6 = 1000000; [L26] signed long int var_1_7 = 49; [L27] signed long int var_1_8 = 0; [L28] signed char var_1_9 = -10; [L29] unsigned short int var_1_10 = 58996; [L30] unsigned short int var_1_11 = 32; [L31] signed char var_1_12 = 32; [L32] signed char var_1_13 = 16; [L33] signed char var_1_14 = 2; [L34] signed long int var_1_15 = 32; [L35] signed long int var_1_17 = 1000000000; [L36] signed long int var_1_18 = 0; [L37] signed char var_1_19 = 2; [L38] unsigned char var_1_20 = 0; [L39] unsigned char var_1_21 = 0; [L40] signed long int last_1_var_1_3 = 9; VAL [isInitial=0, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=8, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L106] last_1_var_1_3 = var_1_3 VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=8, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L116] RET updateLastVariables() [L117] CALL updateVariables() [L71] var_1_2 = __VERIFIER_nondet_ulong() [L72] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L72] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L73] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L73] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=1000000, var_1_7=49, var_1_8=0, var_1_9=-10] [L74] var_1_6 = __VERIFIER_nondet_long() [L75] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L75] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L76] CALL assume_abort_if_not(var_1_6 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L76] RET assume_abort_if_not(var_1_6 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=49, var_1_8=0, var_1_9=-10] [L77] var_1_7 = __VERIFIER_nondet_long() [L78] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L78] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L79] CALL assume_abort_if_not(var_1_7 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L79] RET assume_abort_if_not(var_1_7 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L80] var_1_8 = __VERIFIER_nondet_long() [L81] CALL assume_abort_if_not(var_1_8 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L81] RET assume_abort_if_not(var_1_8 >= -2147483648) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L82] CALL assume_abort_if_not(var_1_8 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L82] RET assume_abort_if_not(var_1_8 <= 2147483647) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=58996, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L83] var_1_10 = __VERIFIER_nondet_ushort() [L84] CALL assume_abort_if_not(var_1_10 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L84] RET assume_abort_if_not(var_1_10 >= 32767) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L85] CALL assume_abort_if_not(var_1_10 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L85] RET assume_abort_if_not(var_1_10 <= 65535) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L86] var_1_11 = __VERIFIER_nondet_ushort() [L87] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L87] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L88] CALL assume_abort_if_not(var_1_11 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L88] RET assume_abort_if_not(var_1_11 <= 32767) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=32, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L89] var_1_12 = __VERIFIER_nondet_char() [L90] CALL assume_abort_if_not(var_1_12 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L90] RET assume_abort_if_not(var_1_12 >= -1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L91] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L91] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=16, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L92] var_1_13 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L93] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L94] CALL assume_abort_if_not(var_1_13 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L94] RET assume_abort_if_not(var_1_13 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=2, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L95] var_1_14 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L96] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L97] CALL assume_abort_if_not(var_1_14 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L97] RET assume_abort_if_not(var_1_14 <= 126) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=1000000000, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L98] var_1_17 = __VERIFIER_nondet_long() [L99] CALL assume_abort_if_not(var_1_17 >= 536870911) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L99] RET assume_abort_if_not(var_1_17 >= 536870911) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L100] CALL assume_abort_if_not(var_1_17 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L100] RET assume_abort_if_not(var_1_17 <= 1073741823) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=0, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L101] var_1_21 = __VERIFIER_nondet_uchar() [L102] CALL assume_abort_if_not(var_1_21 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L102] RET assume_abort_if_not(var_1_21 >= 1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L103] CALL assume_abort_if_not(var_1_21 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L20] COND FALSE !(!cond) VAL [\old(cond)=1, cond=1, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L103] RET assume_abort_if_not(var_1_21 <= 1) VAL [isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=2, var_1_1=5, var_1_20=0, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L117] RET updateVariables() [L118] CALL step() [L44] var_1_1 = var_1_2 [L45] var_1_18 = var_1_8 [L46] var_1_19 = var_1_12 [L47] var_1_20 = var_1_21 [L48] signed char stepLocal_1 = var_1_19; VAL [isInitial=1, last_1_var_1_3=9, stepLocal_1=-1, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-10] [L49] COND TRUE (- (var_1_10 - var_1_11)) >= stepLocal_1 [L50] var_1_9 = (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))) VAL [isInitial=1, last_1_var_1_3=9, stepLocal_1=-1, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=32, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] [L54] COND TRUE \read(var_1_20) [L55] var_1_15 = (var_1_12 - var_1_14) VAL [isInitial=1, last_1_var_1_3=9, stepLocal_1=-1, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=-126, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] [L59] signed long int stepLocal_0 = var_1_15; VAL [isInitial=1, last_1_var_1_3=9, stepLocal_0=-126, stepLocal_1=-1, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=-126, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=9, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] [L60] COND TRUE stepLocal_0 < var_1_1 [L61] var_1_3 = -0.5 VAL [isInitial=1, last_1_var_1_3=9, stepLocal_0=-126, stepLocal_1=-1, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=-126, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] [L118] RET step() [L119] CALL, EXPR property() [L109-L110] return ((((((var_1_1 == ((unsigned long int) var_1_2)) && ((var_1_15 < var_1_1) ? (var_1_3 == ((signed long int) -0.5)) : (((- last_1_var_1_3) == (var_1_6 - var_1_7)) ? (var_1_3 == ((signed long int) var_1_8)) : (var_1_3 == ((signed long int) var_1_8))))) && (((- (var_1_10 - var_1_11)) >= var_1_19) ? (var_1_9 == ((signed char) (var_1_12 - ((((var_1_13) > (var_1_14)) ? (var_1_13) : (var_1_14)))))) : (var_1_9 == ((signed char) ((((var_1_12) < (var_1_14)) ? (var_1_12) : (var_1_14))))))) && (var_1_20 ? (var_1_15 == ((signed long int) (var_1_12 - var_1_14))) : (var_1_15 == ((signed long int) (var_1_13 - ((var_1_17 - 4) + ((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) && (var_1_18 == ((signed long int) var_1_8))) && (var_1_19 == ((signed char) var_1_12))) && (var_1_20 == ((unsigned char) var_1_21)) ; VAL [\result=0, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=-126, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=-126, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_3=9, var_1_10=32768, var_1_11=32767, var_1_12=-1, var_1_13=126, var_1_14=125, var_1_15=-126, var_1_17=536870911, var_1_18=0, var_1_19=-1, var_1_1=4294967171, var_1_20=1, var_1_21=1, var_1_2=4294967171, var_1_3=1, var_1_6=0, var_1_7=0, var_1_8=0, var_1_9=-127] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 2, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 78 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 0 IncrementalHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 78 mSDtfsCounter, 0 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=57occurred in iteration=0, InterpolantAutomatonStates: 2, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 268 NumberOfCodeBlocks, 268 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 133 ConstructedInterpolants, 0 QuantifiedInterpolants, 133 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 924/924 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 07:57:12,312 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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_d1804be4-1999-4677-8eff-0be4330dc28e/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 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 07:57:15,055 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 07:57:15,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-19 07:57:15,203 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 07:57:15,204 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-19 07:57:15,252 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 07:57:15,253 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-19 07:57:15,253 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-19 07:57:15,254 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 07:57:15,260 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-19 07:57:15,261 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 07:57:15,261 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 07:57:15,262 INFO L153 SettingsManager]: * Use SBE=true [2023-11-19 07:57:15,264 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 07:57:15,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 07:57:15,265 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 07:57:15,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 07:57:15,266 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 07:57:15,266 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 07:57:15,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 07:57:15,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 07:57:15,268 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 07:57:15,268 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 07:57:15,269 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 07:57:15,269 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 07:57:15,270 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 07:57:15,270 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 07:57:15,271 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 07:57:15,271 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-19 07:57:15,272 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-19 07:57:15,273 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:15,273 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 07:57:15,274 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 07:57:15,274 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 07:57:15,275 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-19 07:57:15,275 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 07:57:15,275 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-19 07:57:15,275 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 07:57:15,276 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-19 07:57:15,277 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 07:57:15,277 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-19 07:57:15,277 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-19 07:57:15,278 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_d1804be4-1999-4677-8eff-0be4330dc28e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7129afa67a628c8316ab9be317c869a9a3ba073bbe9f050ef49fac8f66f147d5 [2023-11-19 07:57:15,719 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 07:57:15,748 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 07:57:15,753 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 07:57:15,755 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 07:57:15,756 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 07:57:15,758 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2023-11-19 07:57:18,894 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 07:57:19,225 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 07:57:19,226 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i [2023-11-19 07:57:19,234 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data/a133cdd09/0d143d1f855341bea3ea3131a67ab63c/FLAG6aa495b11 [2023-11-19 07:57:19,248 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/data/a133cdd09/0d143d1f855341bea3ea3131a67ab63c [2023-11-19 07:57:19,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 07:57:19,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 07:57:19,253 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:19,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 07:57:19,259 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 07:57:19,259 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,261 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4316265e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19, skipping insertion in model container [2023-11-19 07:57:19,261 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,295 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 07:57:19,459 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_d1804be4-1999-4677-8eff-0be4330dc28e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2023-11-19 07:57:19,502 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:19,520 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 07:57:19,538 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_d1804be4-1999-4677-8eff-0be4330dc28e/sv-benchmarks/c/hardness-nfm22/hardness_floatingpointinfluence_no-floats_file-10.i[916,929] [2023-11-19 07:57:19,590 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 07:57:19,620 INFO L206 MainTranslator]: Completed translation [2023-11-19 07:57:19,621 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19 WrapperNode [2023-11-19 07:57:19,621 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 07:57:19,622 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:19,622 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 07:57:19,623 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 07:57:19,631 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,711 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 126 [2023-11-19 07:57:19,712 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 07:57:19,713 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 07:57:19,713 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 07:57:19,713 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 07:57:19,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,726 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,739 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,739 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,756 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,763 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,767 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,777 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,781 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 07:57:19,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 07:57:19,786 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 07:57:19,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 07:57:19,788 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (1/1) ... [2023-11-19 07:57:19,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-19 07:57:19,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/z3 [2023-11-19 07:57:19,828 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-19 07:57:19,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-19 07:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 07:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 07:57:19,882 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 07:57:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 07:57:19,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 07:57:19,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 07:57:20,019 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 07:57:20,022 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 07:57:20,374 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 07:57:20,382 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 07:57:20,382 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 07:57:20,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:20 BoogieIcfgContainer [2023-11-19 07:57:20,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 07:57:20,393 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-19 07:57:20,393 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-19 07:57:20,397 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-19 07:57:20,397 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:57:19" (1/3) ... [2023-11-19 07:57:20,398 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173b1164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:20, skipping insertion in model container [2023-11-19 07:57:20,398 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:57:19" (2/3) ... [2023-11-19 07:57:20,399 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@173b1164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:57:20, skipping insertion in model container [2023-11-19 07:57:20,400 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:57:20" (3/3) ... [2023-11-19 07:57:20,401 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_floatingpointinfluence_no-floats_file-10.i [2023-11-19 07:57:20,422 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-19 07:57:20,422 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-19 07:57:20,489 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-19 07:57:20,496 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;@3d09d0ee, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-19 07:57:20,497 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-19 07:57:20,503 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:57:20,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 07:57:20,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:20,525 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:20,527 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:20,534 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:20,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1489822920, now seen corresponding path program 1 times [2023-11-19 07:57:20,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:57:20,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1078110220] [2023-11-19 07:57:20,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:20,558 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 07:57:20,558 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:57:20,564 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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 07:57:20,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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 07:57:20,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:20,843 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 07:57:20,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 07:57:20,938 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-11-19 07:57:20,939 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-19 07:57:20,940 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-19 07:57:20,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1078110220] [2023-11-19 07:57:20,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1078110220] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-19 07:57:20,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-19 07:57:20,942 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-19 07:57:20,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349728081] [2023-11-19 07:57:20,945 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-19 07:57:20,950 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-19 07:57:20,951 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-19 07:57:20,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-19 07:57:20,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-19 07:57:21,000 INFO L87 Difference]: Start difference. First operand has 57 states, 32 states have (on average 1.28125) internal successors, (41), 33 states have internal predecessors, (41), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:57:21,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-19 07:57:21,051 INFO L93 Difference]: Finished difference Result 107 states and 186 transitions. [2023-11-19 07:57:21,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-19 07:57:21,054 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 134 [2023-11-19 07:57:21,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-19 07:57:21,066 INFO L225 Difference]: With dead ends: 107 [2023-11-19 07:57:21,066 INFO L226 Difference]: Without dead ends: 53 [2023-11-19 07:57:21,071 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 133 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 07:57:21,077 INFO L413 NwaCegarLoop]: 78 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, 78 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 07:57:21,079 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-19 07:57:21,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2023-11-19 07:57:21,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2023-11-19 07:57:21,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 29 states have (on average 1.1724137931034482) internal successors, (34), 29 states have internal predecessors, (34), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-11-19 07:57:21,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 78 transitions. [2023-11-19 07:57:21,157 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 78 transitions. Word has length 134 [2023-11-19 07:57:21,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-19 07:57:21,159 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 78 transitions. [2023-11-19 07:57:21,159 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, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-11-19 07:57:21,159 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 78 transitions. [2023-11-19 07:57:21,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2023-11-19 07:57:21,174 INFO L187 NwaCegarLoop]: Found error trace [2023-11-19 07:57:21,174 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 07:57:21,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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)] Ended with exit code 0 [2023-11-19 07:57:21,378 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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 07:57:21,379 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-19 07:57:21,379 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 07:57:21,380 INFO L85 PathProgramCache]: Analyzing trace with hash 945914760, now seen corresponding path program 1 times [2023-11-19 07:57:21,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-19 07:57:21,380 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1866163033] [2023-11-19 07:57:21,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-19 07:57:21,381 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 07:57:21,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/bin/uautomizer-verify-uCwYo4JHxu/mathsat [2023-11-19 07:57:21,401 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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 07:57:21,439 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1804be4-1999-4677-8eff-0be4330dc28e/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 07:57:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 07:57:21,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 219 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 07:57:21,578 INFO L285 TraceCheckSpWp]: Computing forward predicates...