./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje --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 82402668b8e3e6bc1099650ffea2c85f37237e4249cc993fd95f6102dc824940 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:15:52,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:15:52,595 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 07:15:52,602 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:15:52,603 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:15:52,639 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:15:52,639 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:15:52,640 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:15:52,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:15:52,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:15:52,641 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:15:52,642 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:15:52,643 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:15:52,644 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 07:15:52,644 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:15:52,645 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:15:52,645 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 07:15:52,645 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 07:15:52,645 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:15:52,646 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 07:15:52,646 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 07:15:52,649 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 07:15:52,650 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:15:52,650 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:15:52,651 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:15:52,651 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 07:15:52,651 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:15:52,652 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:15:52,652 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:15:52,652 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:15:52,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:15:52,653 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:15:52,653 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:15:52,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:15:52,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:15:52,654 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:15:52,654 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:15:52,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:15:52,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:15:52,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:15:52,656 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:15:52,657 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:15:52,657 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 07:15:52,658 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 07:15:52,658 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:15:52,658 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:15:52,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 07:15:52,658 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_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82402668b8e3e6bc1099650ffea2c85f37237e4249cc993fd95f6102dc824940 [2024-11-09 07:15:52,940 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:15:52,969 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:15:52,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:15:52,976 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:15:52,978 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:15:52,979 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i Unable to find full path for "g++" [2024-11-09 07:15:54,924 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:15:55,144 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:15:55,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i [2024-11-09 07:15:55,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data/a516db1f9/254a9ff1222b482c8799a1e24ffe3ff2/FLAG7519eea67 [2024-11-09 07:15:55,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data/a516db1f9/254a9ff1222b482c8799a1e24ffe3ff2 [2024-11-09 07:15:55,184 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:15:55,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:15:55,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:15:55,188 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:15:55,193 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:15:55,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@479a9c5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55, skipping insertion in model container [2024-11-09 07:15:55,195 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,223 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:15:55,476 WARN L250 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_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i[915,928] [2024-11-09 07:15:55,558 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:15:55,573 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:15:55,588 WARN L250 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_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i[915,928] [2024-11-09 07:15:55,622 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:15:55,642 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:15:55,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55 WrapperNode [2024-11-09 07:15:55,643 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:15:55,644 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:15:55,644 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:15:55,645 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:15:55,653 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,661 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,699 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2024-11-09 07:15:55,700 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:15:55,700 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:15:55,701 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:15:55,705 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:15:55,713 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,713 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,716 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,716 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,723 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,730 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,732 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,734 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,737 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:15:55,738 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:15:55,738 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:15:55,738 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:15:55,739 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (1/1) ... [2024-11-09 07:15:55,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:15:55,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:15:55,792 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:15:55,796 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:15:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:15:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:15:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:15:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 07:15:55,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:15:55,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:15:55,931 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:15:55,934 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:15:56,361 INFO L? ?]: Removed 14 outVars from TransFormulas that were not future-live. [2024-11-09 07:15:56,362 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:15:56,593 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:15:56,593 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:15:56,594 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:15:56 BoogieIcfgContainer [2024-11-09 07:15:56,594 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:15:56,597 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:15:56,598 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:15:56,602 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:15:56,602 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:15:55" (1/3) ... [2024-11-09 07:15:56,604 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f18113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:15:56, skipping insertion in model container [2024-11-09 07:15:56,604 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:15:55" (2/3) ... [2024-11-09 07:15:56,605 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f18113a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:15:56, skipping insertion in model container [2024-11-09 07:15:56,606 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:15:56" (3/3) ... [2024-11-09 07:15:56,608 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-64.i [2024-11-09 07:15:56,628 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:15:56,629 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:15:56,701 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:15:56,710 INFO L333 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, 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;@2eee8848, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:15:56,710 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:15:56,717 INFO L276 IsEmpty]: Start isEmpty. Operand has 48 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 07:15:56,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-09 07:15:56,731 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:15:56,732 INFO L215 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:15:56,732 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:15:56,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:15:56,738 INFO L85 PathProgramCache]: Analyzing trace with hash -678287127, now seen corresponding path program 1 times [2024-11-09 07:15:56,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2024-11-09 07:15:56,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143694460] [2024-11-09 07:15:56,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:56,751 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 07:15:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-09 07:15:57,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1722057676] [2024-11-09 07:15:57,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:15:57,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 07:15:57,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:15:57,460 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 07:15:57,464 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 07:15:57,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:15:57,955 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-09 07:15:58,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-09 07:15:58,147 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2024-11-09 07:15:58,150 INFO L325 BasicCegarLoop]: Counterexample is feasible [2024-11-09 07:15:58,152 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-09 07:15:58,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 07:15:58,354 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2024-11-09 07:15:58,358 INFO L407 BasicCegarLoop]: Path program histogram: [1] [2024-11-09 07:15:58,446 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-09 07:15:58,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.11 07:15:58 BoogieIcfgContainer [2024-11-09 07:15:58,450 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-09 07:15:58,451 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-09 07:15:58,451 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-09 07:15:58,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-09 07:15:58,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:15:56" (3/4) ... [2024-11-09 07:15:58,454 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-09 07:15:58,456 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-09 07:15:58,457 INFO L158 Benchmark]: Toolchain (without parser) took 3271.12ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 100.5MB in the beginning and 123.1MB in the end (delta: -22.6MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2024-11-09 07:15:58,458 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:15:58,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 455.85ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 85.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-09 07:15:58,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.95ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:15:58,460 INFO L158 Benchmark]: Boogie Preprocessor took 36.95ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 80.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-09 07:15:58,460 INFO L158 Benchmark]: RCFGBuilder took 855.96ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2024-11-09 07:15:58,461 INFO L158 Benchmark]: TraceAbstraction took 1852.68ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 78.2MB in the beginning and 123.1MB in the end (delta: -44.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2024-11-09 07:15:58,462 INFO L158 Benchmark]: Witness Printer took 5.40ms. Allocated memory is still 192.9MB. Free memory is still 123.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-09 07:15:58,465 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 96.5MB. Free memory is still 46.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 455.85ms. Allocated memory is still 140.5MB. Free memory was 100.2MB in the beginning and 85.1MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.95ms. Allocated memory is still 140.5MB. Free memory was 84.8MB in the beginning and 82.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.95ms. Allocated memory is still 140.5MB. Free memory was 82.3MB in the beginning and 80.9MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 855.96ms. Allocated memory is still 140.5MB. Free memory was 80.9MB in the beginning and 79.4MB in the end (delta: 1.6MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1852.68ms. Allocated memory was 140.5MB in the beginning and 192.9MB in the end (delta: 52.4MB). Free memory was 78.2MB in the beginning and 123.1MB in the end (delta: -44.9MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Witness Printer took 5.40ms. Allocated memory is still 192.9MB. Free memory is still 123.1MB. 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 shiftRight at line 54. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = -2; [L23] signed char var_1_10 = -32; [L24] signed long int var_1_11 = 4; [L25] signed long int var_1_12 = 1731242407; [L26] signed long int var_1_13 = 0; [L27] signed char var_1_14 = 10; [L28] signed char var_1_15 = 8; [L29] signed char var_1_16 = -25; [L30] signed char var_1_17 = -16; [L31] unsigned long int var_1_18 = 0; [L32] signed short int var_1_19 = 256; [L33] signed short int var_1_20 = 28075; [L34] signed short int var_1_21 = 256; [L35] signed short int var_1_22 = 25; [L36] unsigned char var_1_23 = 0; [L37] unsigned char var_1_24 = 0; [L38] signed char var_1_25 = 1; [L39] signed char var_1_26 = 0; [L40] signed char var_1_27 = 10; [L41] unsigned long int var_1_28 = 64; [L42] signed long int last_1_var_1_1 = -2; [L131] isInitial = 1 [L132] FCALL initially() [L133] COND TRUE 1 [L134] CALL updateLastVariables() [L124] last_1_var_1_1 = var_1_1 [L134] RET updateLastVariables() [L135] CALL updateVariables() [L83] var_1_11 = __VERIFIER_nondet_long() [L84] CALL assume_abort_if_not(var_1_11 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_11 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L85] CALL assume_abort_if_not(var_1_11 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_11 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1731242407, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L86] var_1_12 = __VERIFIER_nondet_long() [L87] CALL assume_abort_if_not(var_1_12 >= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_12 >= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L88] CALL assume_abort_if_not(var_1_12 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_12 <= 2147483647) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=0, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L89] var_1_13 = __VERIFIER_nondet_long() [L90] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L91] CALL assume_abort_if_not(var_1_13 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(var_1_13 <= 1073741823) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=10, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L92] var_1_14 = __VERIFIER_nondet_char() [L93] CALL assume_abort_if_not(var_1_14 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_14 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L94] CALL assume_abort_if_not(var_1_14 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_14 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=8, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L95] var_1_15 = __VERIFIER_nondet_char() [L96] CALL assume_abort_if_not(var_1_15 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_15 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L97] CALL assume_abort_if_not(var_1_15 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_15 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-25, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L98] var_1_16 = __VERIFIER_nondet_char() [L99] CALL assume_abort_if_not(var_1_16 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_16 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L100] CALL assume_abort_if_not(var_1_16 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_16 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-16, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L101] var_1_17 = __VERIFIER_nondet_char() [L102] CALL assume_abort_if_not(var_1_17 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_17 >= -63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L103] CALL assume_abort_if_not(var_1_17 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_17 <= 63) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=28075, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L104] var_1_20 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_20 >= 16382) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_20 >= 16382) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L106] CALL assume_abort_if_not(var_1_20 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_20 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=256, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L107] var_1_21 = __VERIFIER_nondet_short() [L108] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L109] CALL assume_abort_if_not(var_1_21 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_21 <= 16383) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=25, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L110] var_1_22 = __VERIFIER_nondet_short() [L111] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L112] CALL assume_abort_if_not(var_1_22 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_22 <= 32766) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L113] var_1_24 = __VERIFIER_nondet_uchar() [L114] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L115] CALL assume_abort_if_not(var_1_24 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_24 <= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L116] var_1_26 = __VERIFIER_nondet_char() [L117] CALL assume_abort_if_not(var_1_26 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_26 >= -1) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L118] CALL assume_abort_if_not(var_1_26 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_26 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=10, var_1_28=64] [L119] var_1_27 = __VERIFIER_nondet_char() [L120] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L121] CALL assume_abort_if_not(var_1_27 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_27 <= 127) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-32, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=256, var_1_1=-2, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=0, var_1_24=256, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=64] [L135] RET updateVariables() [L136] CALL step() [L46] var_1_19 = ((var_1_20 - var_1_21) - var_1_22) [L47] signed long int stepLocal_1 = (var_1_26 - var_1_27) + var_1_19; [L48] COND TRUE stepLocal_1 > var_1_22 [L49] var_1_25 = ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))) [L53] signed long int stepLocal_0 = var_1_11 - (var_1_12 - var_1_13); [L54] EXPR var_1_25 >> var_1_19 [L54] COND TRUE (var_1_25 >> var_1_19) < stepLocal_0 [L55] var_1_10 = (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))) [L59] COND FALSE !(var_1_10 != var_1_25) [L62] COND TRUE ! ((64 * var_1_18) < var_1_18) [L63] var_1_23 = var_1_24 [L65] COND FALSE !(-8 <= var_1_10) [L70] COND FALSE !(128 < var_1_19) [L73] var_1_1 = var_1_19 [L76] COND FALSE !((var_1_1 * var_1_1) < var_1_18) [L136] RET step() [L137] CALL, EXPR property() [L127] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L127] EXPR var_1_25 >> var_1_19 [L127] EXPR ((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16)))) [L127-L128] return (((((((-8 <= var_1_10) ? ((var_1_10 == last_1_var_1_1) ? (var_1_1 == ((signed long int) ((((((var_1_10 + var_1_19)) < (var_1_19)) ? ((var_1_10 + var_1_19)) : (var_1_19))) + (var_1_10 + var_1_10)))) : 1) : ((128 < var_1_19) ? (var_1_1 == ((signed long int) var_1_10)) : (var_1_1 == ((signed long int) var_1_19)))) && (((var_1_25 >> var_1_19) < (var_1_11 - (var_1_12 - var_1_13))) ? (var_1_10 == ((signed char) (var_1_14 + ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16)))))) : (var_1_10 == ((signed char) (var_1_17 + var_1_16))))) && ((var_1_10 != var_1_25) ? (var_1_18 == ((unsigned long int) ((((var_1_13) < (var_1_12)) ? (var_1_13) : (var_1_12))))) : 1)) && (var_1_19 == ((signed short int) ((var_1_20 - var_1_21) - var_1_22)))) && ((! ((64 * var_1_18) < var_1_18)) ? (var_1_23 == ((unsigned char) var_1_24)) : 1)) && ((((var_1_26 - var_1_27) + var_1_19) > var_1_22) ? (var_1_25 == ((signed char) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : (var_1_25 == ((signed char) ((((((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) > (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) ? (((((var_1_15) < 0 ) ? -(var_1_15) : (var_1_15)))) : (((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17)))))))))) && (((var_1_1 * var_1_1) < var_1_18) ? ((var_1_1 < var_1_13) ? (var_1_28 == ((unsigned long int) 64u)) : 1) : 1) ; [L137] RET, EXPR property() [L137] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-10, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=5, var_1_1=5, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=256, var_1_24=256, var_1_25=-10, var_1_26=0, var_1_27=1, var_1_28=64] [L19] reach_error() VAL [isInitial=1, last_1_var_1_1=-2, var_1_10=-10, var_1_11=0, var_1_12=1073741824, var_1_13=1, var_1_14=53, var_1_15=-63, var_1_16=-10, var_1_17=-62, var_1_18=0, var_1_19=5, var_1_1=5, var_1_20=16383, var_1_21=16377, var_1_22=1, var_1_23=256, var_1_24=256, var_1_25=-10, var_1_26=0, var_1_27=1, var_1_28=64] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 48 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 1, TraceHistogramMax: 26, 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 190 NumberOfCodeBlocks, 190 NumberOfCodeBlocksAsserted, 2 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 [2024-11-09 07:15:58,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje --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 82402668b8e3e6bc1099650ffea2c85f37237e4249cc993fd95f6102dc824940 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 07:16:01,024 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 07:16:01,138 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2024-11-09 07:16:01,146 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 07:16:01,147 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 07:16:01,189 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 07:16:01,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 07:16:01,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 07:16:01,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 07:16:01,195 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 07:16:01,196 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 07:16:01,196 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 07:16:01,197 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 07:16:01,197 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 07:16:01,199 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 07:16:01,200 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 07:16:01,201 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 07:16:01,201 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 07:16:01,202 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 07:16:01,203 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 07:16:01,207 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 07:16:01,207 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 07:16:01,208 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 07:16:01,208 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 07:16:01,209 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-09 07:16:01,209 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-09 07:16:01,209 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 07:16:01,210 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-09 07:16:01,210 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 07:16:01,210 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 07:16:01,211 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 07:16:01,212 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 07:16:01,212 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 07:16:01,213 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 07:16:01,213 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 07:16:01,214 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:16:01,214 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 07:16:01,214 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 07:16:01,215 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 07:16:01,215 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-09 07:16:01,215 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-09 07:16:01,217 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 07:16:01,218 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 07:16:01,218 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 82402668b8e3e6bc1099650ffea2c85f37237e4249cc993fd95f6102dc824940 [2024-11-09 07:16:01,620 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 07:16:01,650 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 07:16:01,653 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 07:16:01,654 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 07:16:01,655 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 07:16:01,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i Unable to find full path for "g++" [2024-11-09 07:16:03,759 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 07:16:03,992 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 07:16:03,993 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i [2024-11-09 07:16:04,002 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data/9d5fdc476/c2eb341001914837aaeb2dffe83e9e17/FLAG56debe4f7 [2024-11-09 07:16:04,026 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/data/9d5fdc476/c2eb341001914837aaeb2dffe83e9e17 [2024-11-09 07:16:04,028 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 07:16:04,030 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 07:16:04,031 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 07:16:04,032 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 07:16:04,037 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 07:16:04,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41304c34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04, skipping insertion in model container [2024-11-09 07:16:04,040 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,072 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 07:16:04,312 WARN L250 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_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i[915,928] [2024-11-09 07:16:04,409 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:16:04,431 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 07:16:04,444 WARN L250 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_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-while_file-64.i[915,928] [2024-11-09 07:16:04,496 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 07:16:04,523 INFO L204 MainTranslator]: Completed translation [2024-11-09 07:16:04,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04 WrapperNode [2024-11-09 07:16:04,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 07:16:04,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 07:16:04,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 07:16:04,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 07:16:04,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,552 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,595 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 142 [2024-11-09 07:16:04,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 07:16:04,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 07:16:04,597 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 07:16:04,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 07:16:04,615 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,615 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,620 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,637 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,644 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,653 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,657 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 07:16:04,661 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 07:16:04,661 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 07:16:04,662 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 07:16:04,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (1/1) ... [2024-11-09 07:16:04,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 07:16:04,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 07:16:04,717 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 07:16:04,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 07:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 07:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-09 07:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-09 07:16:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-09 07:16:04,754 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 07:16:04,754 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 07:16:04,857 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 07:16:04,859 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 07:16:05,237 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-09 07:16:05,237 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 07:16:05,253 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 07:16:05,256 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 07:16:05,257 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:05 BoogieIcfgContainer [2024-11-09 07:16:05,257 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 07:16:05,259 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 07:16:05,261 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 07:16:05,265 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 07:16:05,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 07:16:04" (1/3) ... [2024-11-09 07:16:05,266 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db324f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:05, skipping insertion in model container [2024-11-09 07:16:05,266 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 07:16:04" (2/3) ... [2024-11-09 07:16:05,267 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6db324f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 07:16:05, skipping insertion in model container [2024-11-09 07:16:05,268 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 07:16:05" (3/3) ... [2024-11-09 07:16:05,269 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-while_file-64.i [2024-11-09 07:16:05,290 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 07:16:05,290 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2024-11-09 07:16:05,360 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 07:16:05,367 INFO L333 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, 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;@740d5c43, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 07:16:05,368 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-09 07:16:05,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 07:16:05,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 07:16:05,386 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:16:05,387 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:16:05,387 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:16:05,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:16:05,392 INFO L85 PathProgramCache]: Analyzing trace with hash -7215033, now seen corresponding path program 1 times [2024-11-09 07:16:05,405 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:16:05,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [322131871] [2024-11-09 07:16:05,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:16:05,406 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 [2024-11-09 07:16:05,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:16:05,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:16:05,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:16:05,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:16:05,638 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-09 07:16:05,648 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 07:16:05,727 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 554 proven. 0 refuted. 0 times theorem prover too weak. 746 trivial. 0 not checked. [2024-11-09 07:16:05,733 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 07:16:05,733 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2024-11-09 07:16:05,734 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [322131871] [2024-11-09 07:16:05,734 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [322131871] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 07:16:05,735 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 07:16:05,736 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 07:16:05,738 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60307298] [2024-11-09 07:16:05,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 07:16:05,744 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-09 07:16:05,746 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2024-11-09 07:16:05,776 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-09 07:16:05,777 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:16:05,779 INFO L87 Difference]: Start difference. First operand has 68 states, 39 states have (on average 1.358974358974359) internal successors, (53), 40 states have internal predecessors, (53), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 07:16:05,829 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 07:16:05,829 INFO L93 Difference]: Finished difference Result 129 states and 230 transitions. [2024-11-09 07:16:05,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-09 07:16:05,836 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) Word has length 160 [2024-11-09 07:16:05,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 07:16:05,847 INFO L225 Difference]: With dead ends: 129 [2024-11-09 07:16:05,847 INFO L226 Difference]: Without dead ends: 64 [2024-11-09 07:16:05,852 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 159 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-09 07:16:05,857 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 07:16:05,861 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 07:16:05,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-11-09 07:16:05,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2024-11-09 07:16:05,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 36 states have (on average 1.2777777777777777) internal successors, (46), 36 states have internal predecessors, (46), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2024-11-09 07:16:05,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 98 transitions. [2024-11-09 07:16:05,907 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 98 transitions. Word has length 160 [2024-11-09 07:16:05,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 07:16:05,908 INFO L471 AbstractCegarLoop]: Abstraction has 64 states and 98 transitions. [2024-11-09 07:16:05,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.5) internal successors, (37), 2 states have internal predecessors, (37), 2 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 2 states have call predecessors, (26), 2 states have call successors, (26) [2024-11-09 07:16:05,908 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 98 transitions. [2024-11-09 07:16:05,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2024-11-09 07:16:05,913 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 07:16:05,913 INFO L215 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 07:16:05,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-09 07:16:06,117 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:16:06,118 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-09 07:16:06,118 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 07:16:06,119 INFO L85 PathProgramCache]: Analyzing trace with hash 849469191, now seen corresponding path program 1 times [2024-11-09 07:16:06,119 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2024-11-09 07:16:06,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [184052729] [2024-11-09 07:16:06,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 07:16:06,120 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 [2024-11-09 07:16:06,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/mathsat [2024-11-09 07:16:06,123 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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) [2024-11-09 07:16:06,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_35bda1f9-6f37-4fa3-b637-c30a53bc7da8/bin/utaipan-verify-YMUCfTKeje/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 [2024-11-09 07:16:07,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 07:16:07,317 INFO L255 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-09 07:16:07,345 INFO L278 TraceCheckSpWp]: Computing forward predicates...