./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire --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 b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:12,581 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:12,709 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:37:12,723 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:12,724 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:12,768 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:12,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:12,770 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:12,771 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:12,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:12,777 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:12,779 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:12,779 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:12,781 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:37:12,782 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:12,782 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:12,783 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:37:12,783 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:37:12,784 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:12,785 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:37:12,785 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:37:12,786 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:37:12,787 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:12,788 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:12,788 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:12,789 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:37:12,789 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:12,790 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:12,790 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:12,791 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:12,792 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:12,793 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:12,793 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:12,793 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:12,794 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:12,794 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:12,794 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:12,795 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:12,795 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:12,795 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:12,796 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:12,796 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:37:12,796 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:37:12,797 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:12,797 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:12,798 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:12,798 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:12,798 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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 [2023-11-23 20:37:13,153 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:13,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:13,197 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:13,200 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:13,201 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:13,202 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-11-23 20:37:16,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:16,874 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:16,876 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-11-23 20:37:16,904 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data/49923dc5b/880af92e44514f70b1bd7078d6a09f08/FLAG6968c482e [2023-11-23 20:37:16,921 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data/49923dc5b/880af92e44514f70b1bd7078d6a09f08 [2023-11-23 20:37:16,924 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:16,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:16,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:16,928 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:16,935 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:16,936 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:16" (1/1) ... [2023-11-23 20:37:16,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@f08fbd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:16, skipping insertion in model container [2023-11-23 20:37:16,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:16" (1/1) ... [2023-11-23 20:37:16,994 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:17,133 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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-11-23 20:37:17,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:17,236 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:17,249 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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-11-23 20:37:17,290 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:17,309 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:17,310 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17 WrapperNode [2023-11-23 20:37:17,310 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:17,311 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:17,312 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:17,312 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:17,320 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,345 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,385 INFO L138 Inliner]: procedures = 26, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 221 [2023-11-23 20:37:17,385 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:17,386 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:17,386 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:17,386 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:17,398 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,398 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,402 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,402 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,427 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,432 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,450 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,455 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,459 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:17,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:17,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:17,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:17,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (1/1) ... [2023-11-23 20:37:17,488 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:17,501 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:17,521 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:17,540 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:17,570 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:37:17,571 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:37:17,571 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:37:17,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:17,574 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:17,729 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:17,732 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:18,234 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:18,626 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:18,626 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:37:18,628 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:18 BoogieIcfgContainer [2023-11-23 20:37:18,628 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:18,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:18,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:18,638 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:18,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:16" (1/3) ... [2023-11-23 20:37:18,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e9cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:18, skipping insertion in model container [2023-11-23 20:37:18,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:17" (2/3) ... [2023-11-23 20:37:18,642 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d5e9cd2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:18, skipping insertion in model container [2023-11-23 20:37:18,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:18" (3/3) ... [2023-11-23 20:37:18,644 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-11-23 20:37:18,669 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:18,669 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:37:18,743 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:18,750 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;@16c6aeda, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:18,751 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:37:18,756 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 21 states have (on average 1.1428571428571428) internal successors, (24), 22 states have internal predecessors, (24), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:37:18,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-23 20:37:18,769 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:18,770 INFO L195 NwaCegarLoop]: trace histogram [24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:18,770 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:18,775 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:18,776 INFO L85 PathProgramCache]: Analyzing trace with hash 1065102734, now seen corresponding path program 1 times [2023-11-23 20:37:18,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:37:18,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1472012397] [2023-11-23 20:37:18,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:18,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:37:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:37:19,337 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:37:19,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:37:19,627 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:37:19,629 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:37:19,630 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:37:19,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:37:19,638 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:37:19,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:37:19,789 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:37:19 BoogieIcfgContainer [2023-11-23 20:37:19,789 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:37:19,791 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:37:19,792 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:37:19,792 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:37:19,792 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:18" (3/4) ... [2023-11-23 20:37:19,797 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:37:19,798 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:37:19,799 INFO L158 Benchmark]: Toolchain (without parser) took 2873.88ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 101.9MB in the beginning and 116.7MB in the end (delta: -14.8MB). Peak memory consumption was 18.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:19,800 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 96.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:19,801 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.32ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 86.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:37:19,802 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.89ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:37:19,808 INFO L158 Benchmark]: Boogie Preprocessor took 77.45ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:37:19,809 INFO L158 Benchmark]: RCFGBuilder took 1157.65ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 82.1MB in the beginning and 111.8MB in the end (delta: -29.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. [2023-11-23 20:37:19,810 INFO L158 Benchmark]: TraceAbstraction took 1156.08ms. Allocated memory is still 182.5MB. Free memory was 110.9MB in the beginning and 117.7MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:19,811 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 182.5MB. Free memory is still 117.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:37:19,820 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 151.0MB. Free memory was 96.5MB in the beginning and 96.3MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 383.32ms. Allocated memory is still 151.0MB. Free memory was 101.4MB in the beginning and 86.8MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.89ms. Allocated memory is still 151.0MB. Free memory was 86.8MB in the beginning and 84.2MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 77.45ms. Allocated memory is still 151.0MB. Free memory was 84.2MB in the beginning and 82.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1157.65ms. Allocated memory was 151.0MB in the beginning and 182.5MB in the end (delta: 31.5MB). Free memory was 82.1MB in the beginning and 111.8MB in the end (delta: -29.7MB). Peak memory consumption was 23.6MB. Max. memory is 16.1GB. * TraceAbstraction took 1156.08ms. Allocated memory is still 182.5MB. Free memory was 110.9MB in the beginning and 117.7MB in the end (delta: -6.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 182.5MB. Free memory is still 117.7MB. 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 someBinaryArithmeticDOUBLEoperation at line 83, overapproximation of someUnaryDOUBLEoperation at line 78, overapproximation of bitwiseAnd at line 120, overapproximation of someBinaryDOUBLEComparisonOperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned char var_1_1 = 1; [L23] unsigned char var_1_4 = 0; [L24] double var_1_5 = 127.5; [L25] double var_1_7 = 10000000000000.125; [L26] double var_1_8 = 1.25; [L27] double var_1_10 = 25.7; [L28] signed long int var_1_11 = -2; [L29] signed long int var_1_13 = 5; [L30] signed long int var_1_14 = 128; [L31] signed long int var_1_15 = 1000; [L32] double var_1_16 = 0.2; [L33] double var_1_17 = 0.25; [L34] double var_1_18 = 99999999999999.5; [L35] signed short int var_1_19 = -64; [L36] double var_1_21 = 100.4; [L37] signed long int var_1_24 = 10; [L38] signed char var_1_25 = -8; [L39] double var_1_26 = 9.75; [L40] signed char var_1_28 = 8; [L41] unsigned long int var_1_29 = 16; [L42] unsigned long int var_1_30 = 1; [L43] float var_1_31 = 16.6; [L44] signed short int var_1_35 = 256; [L45] unsigned long int var_1_36 = 16; [L46] double var_1_37 = 8.5; [L47] unsigned long int var_1_38 = 3569725445; [L48] unsigned long int var_1_39 = 3551809449; [L49] unsigned long int var_1_40 = 10000000; [L50] unsigned char last_1_var_1_1 = 1; [L51] signed long int last_1_var_1_11 = -2; [L52] signed long int last_1_var_1_15 = 1000; [L53] double last_1_var_1_16 = 0.2; [L202] isInitial = 1 [L203] FCALL initially() [L204] COND TRUE 1 [L205] CALL updateLastVariables() [L192] last_1_var_1_1 = var_1_1 [L193] last_1_var_1_11 = var_1_11 [L194] last_1_var_1_15 = var_1_15 [L195] last_1_var_1_16 = var_1_16 [L205] RET updateLastVariables() [L206] CALL updateVariables() [L151] var_1_4 = __VERIFIER_nondet_uchar() [L152] CALL assume_abort_if_not(var_1_4 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_4 >= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L153] CALL assume_abort_if_not(var_1_4 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_4 <= 1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_7=80000000000001/8, var_1_8=5/4] [L154] var_1_7 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_7 >= -922337.2036854765600e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 9223372.036854765600e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=257/10, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L156] var_1_10 = __VERIFIER_nondet_double() [L157] 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_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L157] 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_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=5, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L158] var_1_13 = __VERIFIER_nondet_long() [L159] CALL assume_abort_if_not(var_1_13 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_13 >= -1) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L160] CALL assume_abort_if_not(var_1_13 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_13 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=128, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L161] var_1_14 = __VERIFIER_nondet_long() [L162] CALL assume_abort_if_not(var_1_14 >= -2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_14 >= -2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L163] CALL assume_abort_if_not(var_1_14 <= 2147483646) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_14 <= 2147483646) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_17=1/4, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L164] var_1_17 = __VERIFIER_nondet_double() [L165] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_18=199999999999999/2, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L166] var_1_18 = __VERIFIER_nondet_double() [L167] CALL assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not((var_1_18 >= -230584.3009213691390e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 2305843.009213691390e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_21=502/5, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L168] var_1_21 = __VERIFIER_nondet_double() [L169] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_26=39/4, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L170] var_1_26 = __VERIFIER_nondet_double() [L171] CALL assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not((var_1_26 >= -922337.2036854776000e+13F && var_1_26 <= -1.0e-20F) || (var_1_26 <= 9223372.036854776000e+12F && var_1_26 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L172] CALL assume_abort_if_not(var_1_26 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_26 != 0.0F) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=8, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L173] var_1_28 = __VERIFIER_nondet_char() [L174] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L175] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=1, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L176] var_1_30 = __VERIFIER_nondet_ulong() [L177] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L178] CALL assume_abort_if_not(var_1_30 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_30 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_37=17/2, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L179] var_1_37 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_37 >= 0.0F && var_1_37 <= -1.0e-20F) || (var_1_37 <= 9223372.036854776000e+12F && var_1_37 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=3569725445, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L181] var_1_38 = __VERIFIER_nondet_ulong() [L182] CALL assume_abort_if_not(var_1_38 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_38 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L183] CALL assume_abort_if_not(var_1_38 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_38 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=3551809449, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L184] var_1_39 = __VERIFIER_nondet_ulong() [L185] CALL assume_abort_if_not(var_1_39 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_39 >= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L186] CALL assume_abort_if_not(var_1_39 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_39 <= 4294967294) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=10000000, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L187] var_1_40 = __VERIFIER_nondet_ulong() [L188] CALL assume_abort_if_not(var_1_40 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_40 >= 0) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L189] CALL assume_abort_if_not(var_1_40 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_40 <= 2147483647) VAL [isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=1000, var_1_16=1/5, var_1_19=-64, var_1_1=1, var_1_24=10, var_1_25=-8, var_1_28=-127, var_1_29=16, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_8=5/4] [L206] RET updateVariables() [L207] CALL step() [L57] COND TRUE (((((var_1_16) < 0 ) ? -(var_1_16) : (var_1_16))) - var_1_21) == (var_1_16 * var_1_7) [L58] var_1_19 = -4 [L60] var_1_24 = var_1_11 [L61] COND FALSE !(var_1_21 != var_1_16) [L68] COND TRUE \read(var_1_1) [L69] var_1_25 = var_1_28 [L74] var_1_29 = var_1_30 [L75] COND TRUE var_1_7 > var_1_17 [L76] COND TRUE var_1_1 && var_1_1 [L77] COND FALSE !(var_1_17 < var_1_21) [L86] COND TRUE ! ((1 + var_1_11) <= var_1_11) [L87] COND FALSE !(var_1_11 > (((((((-5) < 0 ) ? -(-5) : (-5))) < 0 ) ? -((((-5) < 0 ) ? -(-5) : (-5))) : ((((-5) < 0 ) ? -(-5) : (-5)))))) [L91] COND TRUE var_1_21 < var_1_7 [L92] COND TRUE var_1_21 == (var_1_37 - 199.3) [L93] var_1_36 = ((((((((var_1_38) < (var_1_39)) ? (var_1_38) : (var_1_39))) < 0 ) ? -((((var_1_38) < (var_1_39)) ? (var_1_38) : (var_1_39))) : ((((var_1_38) < (var_1_39)) ? (var_1_38) : (var_1_39))))) - var_1_40) [L98] COND TRUE \read(last_1_var_1_1) [L99] COND FALSE !(((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) [L105] signed long int stepLocal_0 = last_1_var_1_11; [L106] COND TRUE (last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= stepLocal_0 [L107] var_1_1 = var_1_4 [L109] signed long int stepLocal_2 = var_1_11; [L110] unsigned char stepLocal_1 = var_1_1; [L111] COND TRUE \read(var_1_1) [L112] COND TRUE var_1_11 >= stepLocal_2 [L113] COND TRUE stepLocal_1 || (var_1_11 < var_1_11) [L114] var_1_5 = var_1_7 [L120] EXPR var_1_11 & var_1_13 [L120] COND TRUE (- var_1_11) > (var_1_11 & var_1_13) [L121] COND TRUE var_1_11 <= 128 [L122] COND TRUE \read(var_1_1) [L123] var_1_15 = var_1_14 [L133] COND FALSE !(((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) [L136] var_1_16 = var_1_17 [L138] COND FALSE !(10.55f < var_1_16) [L143] COND FALSE !(var_1_16 > var_1_7) [L146] var_1_8 = var_1_7 [L207] RET step() [L208] CALL, EXPR property() [L198] EXPR ((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13))) [L198-L199] return (((((((last_1_var_1_11 / ((((-16) < 0 ) ? -(-16) : (-16)))) >= last_1_var_1_11) ? (var_1_1 == ((unsigned char) var_1_4)) : 1) && (var_1_1 ? ((var_1_11 >= var_1_11) ? ((var_1_1 || (var_1_11 < var_1_11)) ? (var_1_5 == ((double) var_1_7)) : 1) : (var_1_5 == ((double) var_1_7))) : 1)) && ((10.55f < var_1_16) ? ((var_1_16 > (var_1_7 * var_1_16)) ? (var_1_8 == ((double) ((((var_1_7) > (var_1_10)) ? (var_1_7) : (var_1_10))))) : 1) : ((var_1_16 > var_1_7) ? (var_1_8 == ((double) var_1_10)) : (var_1_8 == ((double) var_1_7))))) && (last_1_var_1_1 ? ((((((last_1_var_1_16) > (49.75)) ? (last_1_var_1_16) : (49.75))) > last_1_var_1_16) ? (var_1_11 == ((signed long int) ((((last_1_var_1_15) < ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14))))) ? (last_1_var_1_15) : ((((((var_1_13 - 5)) > (var_1_14)) ? ((var_1_13 - 5)) : (var_1_14)))))))) : 1) : (var_1_11 == ((signed long int) last_1_var_1_15)))) && (((- var_1_11) > (var_1_11 & var_1_13)) ? ((var_1_11 <= 128) ? (var_1_1 ? (var_1_15 == ((signed long int) var_1_14)) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_14))) : (var_1_15 == ((signed long int) var_1_13)))) && ((((((var_1_5) < (last_1_var_1_16)) ? (var_1_5) : (last_1_var_1_16))) >= var_1_7) ? (var_1_16 == ((double) (var_1_17 + (var_1_18 + 16.75)))) : (var_1_16 == ((double) var_1_17))) ; [L208] RET, EXPR property() [L208] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=255/2, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=-6, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-2, var_1_25=-127, var_1_28=-127, var_1_29=4294967294, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_7=255/2, var_1_8=255/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=-2, last_1_var_1_15=1000, last_1_var_1_16=1/5, last_1_var_1_1=1, var_1_10=255/2, var_1_11=-2, var_1_13=0, var_1_14=-6, var_1_15=-6, var_1_16=100000000000004, var_1_17=100000000000004, var_1_19=-4, var_1_1=1, var_1_24=-2, var_1_25=-127, var_1_28=-127, var_1_29=4294967294, var_1_30=4294967294, var_1_31=83/5, var_1_35=256, var_1_36=16, var_1_38=2147483647, var_1_39=2147483647, var_1_40=2147483631, var_1_4=1, var_1_5=255/2, var_1_7=255/2, var_1_8=255/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 1, TraceHistogramMax: 24, 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=48occurred 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, 91 NumberOfCodeBlocks, 91 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 [2023-11-23 20:37:19,878 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire --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 b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:37:22,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:37:22,665 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:37:22,677 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:37:22,678 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:37:22,737 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:37:22,739 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:37:22,740 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:37:22,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:37:22,746 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:37:22,747 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:37:22,748 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:37:22,748 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:37:22,750 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:37:22,751 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:37:22,752 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:37:22,753 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:37:22,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:37:22,754 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:37:22,755 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:37:22,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:37:22,756 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:37:22,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:37:22,757 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:37:22,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:37:22,758 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:37:22,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:37:22,759 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:37:22,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:37:22,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:37:22,761 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:37:22,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:37:22,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:37:22,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:37:22,763 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:22,763 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:37:22,764 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:37:22,764 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:37:22,764 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:37:22,765 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:22,766 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:37:22,766 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:37:22,766 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:37:22,767 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:37:22,768 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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b9d8652519e41f29e8688122e81475e42760eeda179b59be7470de401a751998 [2023-11-23 20:37:23,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:37:23,264 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:37:23,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:37:23,268 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:37:23,269 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:37:23,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-11-23 20:37:26,628 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:26,939 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:26,940 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-11-23 20:37:26,951 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data/11e1a5d30/c782decc143f46ba985b7340387a09b0/FLAG481d7536e [2023-11-23 20:37:26,968 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/data/11e1a5d30/c782decc143f46ba985b7340387a09b0 [2023-11-23 20:37:26,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:26,973 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:26,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:26,975 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:26,981 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:26,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:26" (1/1) ... [2023-11-23 20:37:26,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@529073b4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:26, skipping insertion in model container [2023-11-23 20:37:26,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:26" (1/1) ... [2023-11-23 20:37:27,020 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:27,222 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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-11-23 20:37:27,348 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:27,364 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:27,383 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_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i[919,932] [2023-11-23 20:37:27,449 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:27,486 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:27,487 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27 WrapperNode [2023-11-23 20:37:27,487 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:27,489 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:27,489 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:27,489 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:27,498 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,530 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,583 INFO L138 Inliner]: procedures = 27, calls = 37, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 193 [2023-11-23 20:37:27,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:27,587 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:27,587 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:27,587 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:27,597 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,598 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,635 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,655 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,658 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,673 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:27,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:27,679 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:27,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:27,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (1/1) ... [2023-11-23 20:37:27,687 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:27,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:27,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:27,763 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:27,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:37:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:37:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:37:27,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:27,787 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:27,929 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:27,933 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:40,580 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:40,630 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:40,630 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:37:40,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:40 BoogieIcfgContainer [2023-11-23 20:37:40,631 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:40,633 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:40,634 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:40,637 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:40,638 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:26" (1/3) ... [2023-11-23 20:37:40,639 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3702870b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:40, skipping insertion in model container [2023-11-23 20:37:40,639 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:27" (2/3) ... [2023-11-23 20:37:40,640 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3702870b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:40, skipping insertion in model container [2023-11-23 20:37:40,640 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:40" (3/3) ... [2023-11-23 20:37:40,641 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-30.i [2023-11-23 20:37:40,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:40,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:37:40,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:40,727 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;@4b882c34, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:40,728 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:37:40,734 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:37:40,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-23 20:37:40,759 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:40,760 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:40,761 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:40,767 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:40,768 INFO L85 PathProgramCache]: Analyzing trace with hash 842033716, now seen corresponding path program 1 times [2023-11-23 20:37:40,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:40,789 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1643810819] [2023-11-23 20:37:40,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:40,791 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:37:40,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:40,792 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:37:40,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-23 20:37:42,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:42,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:37:42,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:42,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 550 proven. 0 refuted. 0 times theorem prover too weak. 554 trivial. 0 not checked. [2023-11-23 20:37:42,860 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:42,861 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:42,862 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1643810819] [2023-11-23 20:37:42,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1643810819] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:42,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:42,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:42,864 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1990521684] [2023-11-23 20:37:42,865 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:42,869 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:37:42,869 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:42,898 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:37:42,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:42,902 INFO L87 Difference]: Start difference. First operand has 81 states, 54 states have (on average 1.5555555555555556) internal successors, (84), 55 states have internal predecessors, (84), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 20:37:45,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:45,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:45,092 INFO L93 Difference]: Finished difference Result 159 states and 286 transitions. [2023-11-23 20:37:45,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:37:45,139 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 158 [2023-11-23 20:37:45,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:45,148 INFO L225 Difference]: With dead ends: 159 [2023-11-23 20:37:45,149 INFO L226 Difference]: Without dead ends: 79 [2023-11-23 20:37:45,153 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:45,157 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:45,159 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 124 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-23 20:37:45,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-23 20:37:45,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-23 20:37:45,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 53 states have (on average 1.490566037735849) internal successors, (79), 53 states have internal predecessors, (79), 24 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:37:45,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 127 transitions. [2023-11-23 20:37:45,225 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 127 transitions. Word has length 158 [2023-11-23 20:37:45,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:45,226 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 127 transitions. [2023-11-23 20:37:45,226 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2023-11-23 20:37:45,226 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 127 transitions. [2023-11-23 20:37:45,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2023-11-23 20:37:45,231 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:45,232 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:45,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-23 20:37:45,447 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:37:45,448 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:45,449 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:45,449 INFO L85 PathProgramCache]: Analyzing trace with hash 1755523004, now seen corresponding path program 1 times [2023-11-23 20:37:45,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:45,450 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [690494436] [2023-11-23 20:37:45,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:45,451 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:37:45,451 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:45,452 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:37:45,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-23 20:37:47,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:47,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 265 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:37:47,339 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:49,905 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-23 20:37:49,906 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:49,906 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:49,907 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [690494436] [2023-11-23 20:37:49,907 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [690494436] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:49,907 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:49,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:49,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [709409542] [2023-11-23 20:37:49,908 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:49,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 20:37:49,911 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:49,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 20:37:49,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:49,913 INFO L87 Difference]: Start difference. First operand 79 states and 127 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 20:37:52,352 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:54,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:56,359 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:56,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:56,480 INFO L93 Difference]: Finished difference Result 235 states and 379 transitions. [2023-11-23 20:37:56,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 20:37:56,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 158 [2023-11-23 20:37:56,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:56,486 INFO L225 Difference]: With dead ends: 235 [2023-11-23 20:37:56,487 INFO L226 Difference]: Without dead ends: 157 [2023-11-23 20:37:56,497 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 20:37:56,499 INFO L413 NwaCegarLoop]: 140 mSDtfsCounter, 47 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 47 SdHoareTripleChecker+Valid, 248 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.5s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:56,504 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [47 Valid, 248 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 3 Unknown, 0 Unchecked, 6.5s Time] [2023-11-23 20:37:56,505 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2023-11-23 20:37:56,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 155. [2023-11-23 20:37:56,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 104 states have (on average 1.4711538461538463) internal successors, (153), 104 states have internal predecessors, (153), 48 states have call successors, (48), 2 states have call predecessors, (48), 2 states have return successors, (48), 48 states have call predecessors, (48), 48 states have call successors, (48) [2023-11-23 20:37:56,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 249 transitions. [2023-11-23 20:37:56,564 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 249 transitions. Word has length 158 [2023-11-23 20:37:56,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:56,566 INFO L495 AbstractCegarLoop]: Abstraction has 155 states and 249 transitions. [2023-11-23 20:37:56,566 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 2 states have internal predecessors, (41), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 20:37:56,567 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 249 transitions. [2023-11-23 20:37:56,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2023-11-23 20:37:56,571 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:56,571 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:56,604 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:37:56,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:37:56,796 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:56,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:56,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1915940903, now seen corresponding path program 1 times [2023-11-23 20:37:56,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:56,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810738118] [2023-11-23 20:37:56,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:56,798 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:37:56,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:56,799 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:37:56,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-23 20:37:58,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:58,743 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:37:58,749 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:38:00,908 INFO L134 CoverageAnalysis]: Checked inductivity of 1104 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1104 trivial. 0 not checked. [2023-11-23 20:38:00,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:38:00,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:38:00,910 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810738118] [2023-11-23 20:38:00,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810738118] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:38:00,912 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:38:00,912 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:38:00,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223863173] [2023-11-23 20:38:00,914 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:38:00,915 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:38:00,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:38:00,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:38:00,920 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:38:00,920 INFO L87 Difference]: Start difference. First operand 155 states and 249 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 20:38:02,489 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:04,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:06,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:08,778 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:12,018 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:14,024 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:16,033 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:38:16,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:38:16,035 INFO L93 Difference]: Finished difference Result 495 states and 797 transitions. [2023-11-23 20:38:16,081 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:38:16,081 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 159 [2023-11-23 20:38:16,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:38:16,087 INFO L225 Difference]: With dead ends: 495 [2023-11-23 20:38:16,087 INFO L226 Difference]: Without dead ends: 341 [2023-11-23 20:38:16,090 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:38:16,092 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 122 mSDsluCounter, 234 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 54 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 122 SdHoareTripleChecker+Valid, 370 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:38:16,093 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [122 Valid, 370 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 15.0s Time] [2023-11-23 20:38:16,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-11-23 20:38:16,179 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 307. [2023-11-23 20:38:16,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 206 states have (on average 1.4174757281553398) internal successors, (292), 206 states have internal predecessors, (292), 96 states have call successors, (96), 4 states have call predecessors, (96), 4 states have return successors, (96), 96 states have call predecessors, (96), 96 states have call successors, (96) [2023-11-23 20:38:16,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 484 transitions. [2023-11-23 20:38:16,196 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 484 transitions. Word has length 159 [2023-11-23 20:38:16,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:38:16,198 INFO L495 AbstractCegarLoop]: Abstraction has 307 states and 484 transitions. [2023-11-23 20:38:16,198 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2023-11-23 20:38:16,198 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 484 transitions. [2023-11-23 20:38:16,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2023-11-23 20:38:16,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:38:16,210 INFO L195 NwaCegarLoop]: trace histogram [24, 24, 24, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:38:16,245 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:38:16,423 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:38:16,423 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:38:16,424 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:38:16,424 INFO L85 PathProgramCache]: Analyzing trace with hash -1011135840, now seen corresponding path program 1 times [2023-11-23 20:38:16,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:38:16,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [285554270] [2023-11-23 20:38:16,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:38:16,425 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-23 20:38:16,426 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:38:16,427 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-23 20:38:16,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4d3816c1-88a1-47a8-9da3-46ec17f46ab0/bin/utaipan-verify-mE87zJ7Ire/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