./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cf1a7837 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 053126c13ef1d8dfef0a099a2c7c76042ecd617980f87b19ee0e26ff48315beb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:28,495 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:28,573 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-12 01:00:28,579 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:28,580 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:28,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:28,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:28,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:28,609 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:28,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:28,611 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:28,611 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:28,612 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:28,612 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-12 01:00:28,613 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:28,614 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:28,614 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-12 01:00:28,615 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-12 01:00:28,615 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:28,616 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-12 01:00:28,616 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-12 01:00:28,621 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-12 01:00:28,621 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:28,622 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:28,623 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:28,623 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-12 01:00:28,624 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:28,624 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:28,624 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:28,625 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:28,626 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:28,627 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:28,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:28,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:28,627 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:28,628 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:28,628 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:28,628 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:28,629 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:28,629 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:28,629 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-12 01:00:28,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-12 01:00:28,630 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:28,630 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:28,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:28,631 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053126c13ef1d8dfef0a099a2c7c76042ecd617980f87b19ee0e26ff48315beb [2023-11-12 01:00:28,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:28,918 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:28,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:28,922 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:28,923 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:28,926 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i [2023-11-12 01:00:32,135 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:32,352 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:32,353 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i [2023-11-12 01:00:32,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data/11eeb4970/d5eab37520c34130932ec263ed21d619/FLAG8291500b7 [2023-11-12 01:00:32,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data/11eeb4970/d5eab37520c34130932ec263ed21d619 [2023-11-12 01:00:32,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:32,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:32,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:32,383 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:32,389 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:32,390 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,391 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70eb94fc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32, skipping insertion in model container [2023-11-12 01:00:32,391 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:32,571 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i[915,928] [2023-11-12 01:00:32,637 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:32,650 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:32,662 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i[915,928] [2023-11-12 01:00:32,698 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:32,716 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:32,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32 WrapperNode [2023-11-12 01:00:32,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:32,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:32,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:32,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:32,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,738 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,787 INFO L138 Inliner]: procedures = 26, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 199 [2023-11-12 01:00:32,788 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:32,789 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:32,789 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:32,789 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:32,798 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,799 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,805 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,806 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,819 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,823 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,826 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,828 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,834 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:32,835 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:32,836 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:32,836 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:32,837 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (1/1) ... [2023-11-12 01:00:32,859 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:32,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:32,916 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:32,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:32,957 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:00:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:00:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-12 01:00:32,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:32,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:33,087 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:33,089 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:33,549 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:33,832 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:33,832 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:00:33,835 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:33 BoogieIcfgContainer [2023-11-12 01:00:33,835 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:33,838 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:33,839 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:33,842 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:33,842 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:32" (1/3) ... [2023-11-12 01:00:33,843 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9581f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:33, skipping insertion in model container [2023-11-12 01:00:33,843 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:32" (2/3) ... [2023-11-12 01:00:33,844 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9581f63 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:33, skipping insertion in model container [2023-11-12 01:00:33,844 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:33" (3/3) ... [2023-11-12 01:00:33,845 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-68.i [2023-11-12 01:00:33,865 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:33,865 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:00:33,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:33,924 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=FINITE_AUTOMATA, 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;@3d50d128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:33,924 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:00:33,929 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 01:00:33,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-12 01:00:33,943 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:33,944 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:33,944 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:33,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:33,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1065106913, now seen corresponding path program 1 times [2023-11-12 01:00:33,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-12 01:00:33,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2048095127] [2023-11-12 01:00:33,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:33,962 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-12 01:00:34,121 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-12 01:00:34,121 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [156642297] [2023-11-12 01:00:34,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:34,122 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-12 01:00:34,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:34,126 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-12 01:00:34,142 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-12 01:00:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:00:34,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-12 01:00:34,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-12 01:00:34,741 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-12 01:00:34,744 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-12 01:00:34,745 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-12 01:00:34,760 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:00:34,955 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-12 01:00:34,959 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-12 01:00:34,963 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2023-11-12 01:00:35,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 01:00:35 BoogieIcfgContainer [2023-11-12 01:00:35,136 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-12 01:00:35,142 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-12 01:00:35,147 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-12 01:00:35,147 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-12 01:00:35,148 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:33" (3/4) ... [2023-11-12 01:00:35,150 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-12 01:00:35,151 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-12 01:00:35,153 INFO L158 Benchmark]: Toolchain (without parser) took 2771.09ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 107.6MB in the beginning and 105.7MB in the end (delta: 1.9MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB. [2023-11-12 01:00:35,153 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 101.9MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:35,154 INFO L158 Benchmark]: CACSL2BoogieTranslator took 334.99ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 92.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-12 01:00:35,155 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.97ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 89.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-12 01:00:35,155 INFO L158 Benchmark]: Boogie Preprocessor took 45.83ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-12 01:00:35,156 INFO L158 Benchmark]: RCFGBuilder took 1000.04ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 87.1MB in the beginning and 152.9MB in the end (delta: -65.7MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. [2023-11-12 01:00:35,157 INFO L158 Benchmark]: TraceAbstraction took 1298.19ms. Allocated memory is still 203.4MB. Free memory was 151.8MB in the beginning and 105.7MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2023-11-12 01:00:35,157 INFO L158 Benchmark]: Witness Printer took 9.33ms. Allocated memory is still 203.4MB. Free memory is still 105.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-12 01:00:35,161 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 155.2MB. Free memory was 102.1MB in the beginning and 101.9MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 334.99ms. Allocated memory is still 155.2MB. Free memory was 107.0MB in the beginning and 92.9MB in the end (delta: 14.2MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.97ms. Allocated memory is still 155.2MB. Free memory was 92.9MB in the beginning and 89.2MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 45.83ms. Allocated memory is still 155.2MB. Free memory was 89.2MB in the beginning and 87.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.04ms. Allocated memory was 155.2MB in the beginning and 203.4MB in the end (delta: 48.2MB). Free memory was 87.1MB in the beginning and 152.9MB in the end (delta: -65.7MB). Peak memory consumption was 42.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1298.19ms. Allocated memory is still 203.4MB. Free memory was 151.8MB in the beginning and 105.7MB in the end (delta: 46.1MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * Witness Printer took 9.33ms. Allocated memory is still 203.4MB. Free memory is still 105.7MB. 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 someBinaryFLOATComparisonOperation at line 157, overapproximation of bitwiseOr at line 90, overapproximation of someUnaryDOUBLEoperation at line 58, overapproximation of someBinaryDOUBLEComparisonOperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_5 = 0; [L24] unsigned char var_1_6 = 0; [L25] unsigned char var_1_7 = 1; [L26] unsigned char var_1_8 = 32; [L27] double var_1_9 = 4.6; [L28] double var_1_10 = 9.25; [L29] double var_1_11 = 1.25; [L30] unsigned char var_1_12 = 100; [L31] unsigned char var_1_13 = 64; [L32] unsigned char var_1_14 = 0; [L33] float var_1_15 = 7.5; [L34] signed long int var_1_16 = 0; [L35] unsigned char var_1_17 = 1; [L36] unsigned char var_1_18 = 0; [L37] unsigned char var_1_19 = 1; [L38] unsigned char var_1_20 = 0; [L39] double var_1_21 = 4.65; [L40] signed long int var_1_22 = 256; [L41] signed long int var_1_23 = 64; [L42] unsigned char var_1_24 = 5; [L43] unsigned char var_1_25 = 2; [L44] signed short int var_1_26 = 10; [L45] double var_1_27 = 16.8; [L46] double var_1_28 = 10.6; [L47] float var_1_29 = 8.25; [L48] signed char var_1_30 = 8; [L49] signed char var_1_31 = 1; [L50] double last_1_var_1_9 = 4.6; [L51] unsigned char last_1_var_1_12 = 100; [L52] unsigned char last_1_var_1_14 = 0; [L53] signed long int last_1_var_1_16 = 0; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] CALL updateLastVariables() [L151] last_1_var_1_9 = var_1_9 [L152] last_1_var_1_12 = var_1_12 [L153] last_1_var_1_14 = var_1_14 [L154] last_1_var_1_16 = var_1_16 [L164] RET updateLastVariables() [L165] CALL updateVariables() [L114] var_1_5 = __VERIFIER_nondet_uchar() [L115] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L116] CALL assume_abort_if_not(var_1_5 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_5 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L117] var_1_7 = __VERIFIER_nondet_uchar() [L118] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L119] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=32, var_1_9=23/5] [L120] var_1_8 = __VERIFIER_nondet_uchar() [L121] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L122] CALL assume_abort_if_not(var_1_8 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_8 <= 255) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L123] CALL assume_abort_if_not(var_1_8 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_8 != 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=37/4, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L124] var_1_10 = __VERIFIER_nondet_double() [L125] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=64, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L126] var_1_13 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L128] CALL assume_abort_if_not(var_1_13 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_13 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L129] var_1_18 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_18 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_18 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L131] CALL assume_abort_if_not(var_1_18 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_18 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L132] var_1_19 = __VERIFIER_nondet_uchar() [L133] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L134] CALL assume_abort_if_not(var_1_19 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not(var_1_19 <= 1) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L135] var_1_20 = __VERIFIER_nondet_uchar() [L136] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L136] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L137] CALL assume_abort_if_not(var_1_20 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not(var_1_20 <= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=64, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L138] var_1_23 = __VERIFIER_nondet_long() [L139] CALL assume_abort_if_not(var_1_23 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not(var_1_23 >= -2147483647) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L140] CALL assume_abort_if_not(var_1_23 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L140] RET assume_abort_if_not(var_1_23 <= 2147483646) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=2, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L141] var_1_25 = __VERIFIER_nondet_uchar() [L142] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L143] CALL assume_abort_if_not(var_1_25 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not(var_1_25 <= 254) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=53/5, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L144] var_1_28 = __VERIFIER_nondet_double() [L145] CALL assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=3, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not((var_1_28 >= -922337.2036854765600e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854765600e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=3, var_1_29=33/4, var_1_30=8, var_1_31=1, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L146] var_1_31 = __VERIFIER_nondet_char() [L147] CALL assume_abort_if_not(var_1_31 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=3, var_1_29=33/4, var_1_30=8, var_1_31=-127, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_31 >= -127) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=3, var_1_29=33/4, var_1_30=8, var_1_31=-127, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L148] CALL assume_abort_if_not(var_1_31 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=3, var_1_29=33/4, var_1_30=8, var_1_31=-127, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_31 <= 126) VAL [isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=5/4, var_1_12=100, var_1_13=0, var_1_14=0, var_1_15=15/2, var_1_16=0, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_21=93/20, var_1_22=256, var_1_23=2147483646, var_1_24=5, var_1_25=0, var_1_26=10, var_1_27=84/5, var_1_28=3, var_1_29=33/4, var_1_30=8, var_1_31=-127, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=23/5] [L165] RET updateVariables() [L166] CALL step() [L57] var_1_17 = (var_1_18 || (var_1_19 && var_1_20)) [L58] var_1_21 = -0.5 [L59] var_1_22 = var_1_23 [L60] var_1_24 = var_1_25 [L61] var_1_26 = var_1_25 [L62] var_1_27 = var_1_28 [L63] var_1_29 = var_1_28 [L64] var_1_30 = var_1_31 [L65] signed long int stepLocal_4 = last_1_var_1_16; [L66] COND FALSE !(\read(last_1_var_1_14)) [L77] var_1_12 = var_1_13 [L79] var_1_16 = last_1_var_1_12 [L80] unsigned long int stepLocal_6 = var_1_13 % (5u + 256u); [L81] signed long int stepLocal_5 = var_1_13 + 16; [L82] COND TRUE stepLocal_6 <= var_1_16 [L83] COND FALSE !(stepLocal_5 >= var_1_16) [L86] var_1_14 = var_1_7 [L89] unsigned char stepLocal_0 = var_1_12; [L90] EXPR var_1_12 ^ var_1_12 [L90] COND TRUE stepLocal_0 <= (var_1_12 ^ var_1_12) [L91] var_1_1 = (! var_1_5) [L95] unsigned char stepLocal_2 = var_1_12 < (var_1_16 / var_1_8); [L96] signed long int stepLocal_1 = var_1_16; [L97] COND FALSE !(-256 >= stepLocal_1) [L100] COND FALSE !(stepLocal_2 || ((var_1_5 && var_1_7) && var_1_1)) [L104] unsigned char stepLocal_3 = ! var_1_5; [L105] COND TRUE (var_1_7 && var_1_14) || stepLocal_3 [L106] var_1_11 = var_1_10 [L108] var_1_15 = var_1_10 [L109] COND TRUE ((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8) [L110] var_1_9 = var_1_10 [L166] RET step() [L167] CALL, EXPR property() [L157] EXPR var_1_12 ^ var_1_12 [L157-L158] return ((((((((var_1_12 <= (var_1_12 ^ var_1_12)) ? (var_1_1 == ((unsigned char) (! var_1_5))) : (var_1_1 == ((unsigned char) (! var_1_5)))) && ((-256 >= var_1_16) ? (var_1_6 == ((unsigned char) (var_1_1 || var_1_7))) : (((var_1_12 < (var_1_16 / var_1_8)) || ((var_1_5 && var_1_7) && var_1_1)) ? (var_1_6 == ((unsigned char) var_1_7)) : 1))) && ((((((((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) > (var_1_12)) ? (((((var_1_16) < (var_1_12)) ? (var_1_16) : (var_1_12)))) : (var_1_12))) <= (50 * var_1_8)) ? (var_1_9 == ((double) var_1_10)) : 1)) && (((var_1_7 && var_1_14) || (! var_1_5)) ? (var_1_11 == ((double) var_1_10)) : 1)) && (last_1_var_1_14 ? ((var_1_10 >= (- last_1_var_1_9)) ? ((var_1_8 != last_1_var_1_16) ? (var_1_12 == ((unsigned char) var_1_13)) : (var_1_12 == ((unsigned char) 50))) : (var_1_12 == ((unsigned char) var_1_13))) : (var_1_12 == ((unsigned char) var_1_13)))) && (((var_1_13 % (5u + 256u)) <= var_1_16) ? (((var_1_13 + 16) >= var_1_16) ? (var_1_14 == ((unsigned char) var_1_7)) : (var_1_14 == ((unsigned char) var_1_7))) : 1)) && (var_1_15 == ((float) var_1_10))) && (var_1_16 == ((signed long int) last_1_var_1_12)) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_22=2147483646, var_1_23=2147483646, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=3, var_1_28=3, var_1_29=3, var_1_30=-127, var_1_31=-127, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=100, last_1_var_1_14=0, last_1_var_1_16=0, last_1_var_1_9=23/5, var_1_10=2, var_1_11=2, var_1_12=0, var_1_13=0, var_1_14=1, var_1_15=2, var_1_16=100, var_1_17=0, var_1_18=0, var_1_19=1, var_1_1=1, var_1_20=0, var_1_22=2147483646, var_1_23=2147483646, var_1_24=0, var_1_25=0, var_1_26=0, var_1_27=3, var_1_28=3, var_1_29=3, var_1_30=-127, var_1_31=-127, var_1_5=0, var_1_6=0, var_1_7=1, var_1_8=101, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 23, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 85 NumberOfCodeBlocks, 85 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 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 [2023-11-12 01:00:35,191 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 053126c13ef1d8dfef0a099a2c7c76042ecd617980f87b19ee0e26ff48315beb --- Real Ultimate output --- This is Ultimate 0.2.3-dev-cf1a783 [2023-11-12 01:00:37,783 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-12 01:00:37,907 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-12 01:00:37,918 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-12 01:00:37,918 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-12 01:00:37,966 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-12 01:00:37,966 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-12 01:00:37,967 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-12 01:00:37,968 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-12 01:00:37,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-12 01:00:37,974 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-12 01:00:37,974 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-12 01:00:37,975 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-12 01:00:37,976 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-12 01:00:37,977 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-12 01:00:37,977 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-12 01:00:37,978 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-12 01:00:37,979 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-12 01:00:37,979 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-12 01:00:37,980 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-12 01:00:37,980 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-12 01:00:37,981 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-12 01:00:37,981 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-12 01:00:37,982 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-12 01:00:37,982 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-12 01:00:37,983 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-12 01:00:37,983 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-12 01:00:37,983 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-12 01:00:37,984 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-12 01:00:37,984 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-12 01:00:37,986 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-12 01:00:37,986 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-12 01:00:37,986 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-12 01:00:37,987 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:37,987 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-12 01:00:37,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-12 01:00:37,988 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-12 01:00:37,988 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-12 01:00:37,988 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-12 01:00:37,989 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-12 01:00:37,989 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-12 01:00:37,990 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-12 01:00:37,990 INFO L153 SettingsManager]: * Logic for external solver=AUFBV 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 053126c13ef1d8dfef0a099a2c7c76042ecd617980f87b19ee0e26ff48315beb [2023-11-12 01:00:38,372 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-12 01:00:38,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-12 01:00:38,406 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-12 01:00:38,408 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-12 01:00:38,408 INFO L274 PluginConnector]: CDTParser initialized [2023-11-12 01:00:38,410 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i [2023-11-12 01:00:41,460 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-12 01:00:41,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-12 01:00:41,790 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i [2023-11-12 01:00:41,805 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data/f70c5a796/889a9e812f9c4a96a29c217471d26816/FLAG3d79352e6 [2023-11-12 01:00:41,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/data/f70c5a796/889a9e812f9c4a96a29c217471d26816 [2023-11-12 01:00:41,839 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-12 01:00:41,841 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-12 01:00:41,846 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:41,846 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-12 01:00:41,853 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-12 01:00:41,854 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:41" (1/1) ... [2023-11-12 01:00:41,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d20e8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:41, skipping insertion in model container [2023-11-12 01:00:41,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 01:00:41" (1/1) ... [2023-11-12 01:00:41,915 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-12 01:00:42,132 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i[915,928] [2023-11-12 01:00:42,202 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:42,219 INFO L202 MainTranslator]: Completed pre-run [2023-11-12 01:00:42,233 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_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodesize_ps-cn-10_file-68.i[915,928] [2023-11-12 01:00:42,263 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-12 01:00:42,284 INFO L206 MainTranslator]: Completed translation [2023-11-12 01:00:42,284 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42 WrapperNode [2023-11-12 01:00:42,284 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-12 01:00:42,286 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:42,286 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-12 01:00:42,286 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-12 01:00:42,294 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,341 INFO L138 Inliner]: procedures = 27, calls = 36, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 168 [2023-11-12 01:00:42,341 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-12 01:00:42,342 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-12 01:00:42,342 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-12 01:00:42,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-12 01:00:42,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,352 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,357 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,358 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,369 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,376 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,378 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,383 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-12 01:00:42,384 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-12 01:00:42,384 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-12 01:00:42,385 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-12 01:00:42,385 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (1/1) ... [2023-11-12 01:00:42,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-12 01:00:42,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 [2023-11-12 01:00:42,437 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-12 01:00:42,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-12 01:00:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-12 01:00:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-12 01:00:42,480 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-12 01:00:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-12 01:00:42,481 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-12 01:00:42,481 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-12 01:00:42,583 INFO L236 CfgBuilder]: Building ICFG [2023-11-12 01:00:42,586 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-12 01:00:43,554 INFO L277 CfgBuilder]: Performing block encoding [2023-11-12 01:00:43,562 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-12 01:00:43,563 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-12 01:00:43,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:43 BoogieIcfgContainer [2023-11-12 01:00:43,565 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-12 01:00:43,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-12 01:00:43,568 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-12 01:00:43,572 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-12 01:00:43,573 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 01:00:41" (1/3) ... [2023-11-12 01:00:43,573 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2129d527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:43, skipping insertion in model container [2023-11-12 01:00:43,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 01:00:42" (2/3) ... [2023-11-12 01:00:43,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2129d527 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 01:00:43, skipping insertion in model container [2023-11-12 01:00:43,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 01:00:43" (3/3) ... [2023-11-12 01:00:43,576 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodesize_ps-cn-10_file-68.i [2023-11-12 01:00:43,599 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-12 01:00:43,599 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-12 01:00:43,658 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-12 01:00:43,666 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=FINITE_AUTOMATA, 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;@b0f13c6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-12 01:00:43,667 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-12 01:00:43,672 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 01:00:43,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 01:00:43,692 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:43,693 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:43,693 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:43,700 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:43,701 INFO L85 PathProgramCache]: Analyzing trace with hash 107542208, now seen corresponding path program 1 times [2023-11-12 01:00:43,718 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:00:43,719 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [450789972] [2023-11-12 01:00:43,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:43,720 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 [2023-11-12 01:00:43,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:00:43,726 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:00:43,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:00:44,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:44,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-12 01:00:44,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:00:44,298 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-12 01:00:44,306 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:00:44,307 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:00:44,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [450789972] [2023-11-12 01:00:44,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [450789972] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:44,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:44,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-12 01:00:44,310 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1967189248] [2023-11-12 01:00:44,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:44,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-12 01:00:44,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:00:44,353 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-12 01:00:44,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:00:44,356 INFO L87 Difference]: Start difference. First operand has 69 states, 43 states have (on average 1.3488372093023255) internal successors, (58), 44 states have internal predecessors, (58), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 01:00:44,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:44,404 INFO L93 Difference]: Finished difference Result 131 states and 225 transitions. [2023-11-12 01:00:44,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-12 01:00:44,408 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 147 [2023-11-12 01:00:44,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:44,417 INFO L225 Difference]: With dead ends: 131 [2023-11-12 01:00:44,418 INFO L226 Difference]: Without dead ends: 65 [2023-11-12 01:00:44,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-12 01:00:44,426 INFO L413 NwaCegarLoop]: 97 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, 97 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 [2023-11-12 01:00:44,428 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-12 01:00:44,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2023-11-12 01:00:44,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2023-11-12 01:00:44,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 40 states have (on average 1.275) internal successors, (51), 40 states have internal predecessors, (51), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-12 01:00:44,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 97 transitions. [2023-11-12 01:00:44,483 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 97 transitions. Word has length 147 [2023-11-12 01:00:44,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:44,484 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 97 transitions. [2023-11-12 01:00:44,484 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 19.5) internal successors, (39), 2 states have internal predecessors, (39), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-12 01:00:44,484 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 97 transitions. [2023-11-12 01:00:44,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 01:00:44,489 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:44,489 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:44,503 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-12 01:00:44,695 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:00:44,695 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:44,696 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:44,696 INFO L85 PathProgramCache]: Analyzing trace with hash -182342534, now seen corresponding path program 1 times [2023-11-12 01:00:44,697 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:00:44,697 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1137469601] [2023-11-12 01:00:44,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:44,698 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 [2023-11-12 01:00:44,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:00:44,700 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:00:44,701 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:00:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:45,093 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-12 01:00:45,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:00:45,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 01:00:45,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:00:45,791 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:00:45,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1137469601] [2023-11-12 01:00:45,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1137469601] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:45,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:45,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-12 01:00:45,797 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309465208] [2023-11-12 01:00:45,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:45,801 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-12 01:00:45,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:00:45,803 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-12 01:00:45,804 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-11-12 01:00:45,804 INFO L87 Difference]: Start difference. First operand 65 states and 97 transitions. Second operand has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 01:00:48,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:48,963 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2023-11-12 01:00:48,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-12 01:00:48,974 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2023-11-12 01:00:48,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:48,980 INFO L225 Difference]: With dead ends: 268 [2023-11-12 01:00:48,981 INFO L226 Difference]: Without dead ends: 206 [2023-11-12 01:00:48,982 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2023-11-12 01:00:48,984 INFO L413 NwaCegarLoop]: 152 mSDtfsCounter, 207 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 496 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 545 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 496 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.9s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:48,985 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 459 Invalid, 545 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 496 Invalid, 0 Unknown, 0 Unchecked, 2.9s Time] [2023-11-12 01:00:48,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2023-11-12 01:00:49,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 113. [2023-11-12 01:00:49,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 64 states have (on average 1.234375) internal successors, (79), 64 states have internal predecessors, (79), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-12 01:00:49,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 171 transitions. [2023-11-12 01:00:49,032 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 171 transitions. Word has length 147 [2023-11-12 01:00:49,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:49,033 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 171 transitions. [2023-11-12 01:00:49,034 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 4.375) internal successors, (35), 7 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 01:00:49,034 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 171 transitions. [2023-11-12 01:00:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-12 01:00:49,037 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:49,037 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:49,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-12 01:00:49,254 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:00:49,255 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:49,255 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:49,256 INFO L85 PathProgramCache]: Analyzing trace with hash 518722044, now seen corresponding path program 1 times [2023-11-12 01:00:49,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:00:49,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1264851514] [2023-11-12 01:00:49,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:49,257 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 [2023-11-12 01:00:49,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:00:49,258 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:00:49,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-12 01:00:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:49,558 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-12 01:00:49,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:00:49,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-12 01:00:49,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-12 01:00:49,678 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:00:49,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1264851514] [2023-11-12 01:00:49,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1264851514] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-12 01:00:49,686 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-12 01:00:49,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-12 01:00:49,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46494349] [2023-11-12 01:00:49,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-12 01:00:49,691 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-12 01:00:49,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-12 01:00:49,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-12 01:00:49,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-12 01:00:49,696 INFO L87 Difference]: Start difference. First operand 113 states and 171 transitions. Second operand has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 01:00:50,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-12 01:00:50,334 INFO L93 Difference]: Finished difference Result 175 states and 265 transitions. [2023-11-12 01:00:50,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-12 01:00:50,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 147 [2023-11-12 01:00:50,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-12 01:00:50,352 INFO L225 Difference]: With dead ends: 175 [2023-11-12 01:00:50,352 INFO L226 Difference]: Without dead ends: 113 [2023-11-12 01:00:50,354 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-12 01:00:50,355 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 100 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-12 01:00:50,356 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 165 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-12 01:00:50,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2023-11-12 01:00:50,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2023-11-12 01:00:50,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 64 states have (on average 1.21875) internal successors, (78), 64 states have internal predecessors, (78), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-12 01:00:50,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 170 transitions. [2023-11-12 01:00:50,420 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 170 transitions. Word has length 147 [2023-11-12 01:00:50,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-12 01:00:50,421 INFO L495 AbstractCegarLoop]: Abstraction has 113 states and 170 transitions. [2023-11-12 01:00:50,422 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.75) internal successors, (35), 4 states have internal predecessors, (35), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-12 01:00:50,422 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 170 transitions. [2023-11-12 01:00:50,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-12 01:00:50,426 INFO L187 NwaCegarLoop]: Found error trace [2023-11-12 01:00:50,426 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-12 01:00:50,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-12 01:00:50,644 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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 [2023-11-12 01:00:50,645 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-12 01:00:50,645 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-12 01:00:50,646 INFO L85 PathProgramCache]: Analyzing trace with hash 1164182648, now seen corresponding path program 1 times [2023-11-12 01:00:50,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-12 01:00:50,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [674453689] [2023-11-12 01:00:50,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:50,648 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 [2023-11-12 01:00:50,648 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat [2023-11-12 01:00:50,649 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/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) [2023-11-12 01:00:50,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-12 01:00:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:50,998 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-12 01:00:51,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-12 01:00:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 395 proven. 108 refuted. 0 times theorem prover too weak. 509 trivial. 0 not checked. [2023-11-12 01:00:53,088 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-12 01:00:57,032 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-12 01:00:57,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [674453689] [2023-11-12 01:00:57,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [674453689] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-12 01:00:57,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1151707089] [2023-11-12 01:00:57,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-12 01:00:57,034 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-12 01:00:57,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/cvc4 [2023-11-12 01:00:57,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-12 01:00:57,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4b7414a4-e6b1-4325-aebf-405ceeaf1a8a/bin/utaipan-verify-NcY6lQBIFX/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-12 01:00:58,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-12 01:00:58,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 260 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-12 01:00:58,427 INFO L285 TraceCheckSpWp]: Computing forward predicates...