./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh --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 eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:04:48,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:04:48,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:04:48,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:04:48,321 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:04:48,347 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:04:48,348 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:04:48,349 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:04:48,349 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:04:48,350 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:04:48,351 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:04:48,351 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:04:48,352 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:04:48,352 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:04:48,353 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:04:48,353 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:04:48,354 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:04:48,354 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:04:48,355 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:04:48,355 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:04:48,356 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:04:48,357 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:04:48,357 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:04:48,358 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:04:48,358 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:04:48,359 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:04:48,359 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:04:48,359 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:04:48,360 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:04:48,360 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:04:48,360 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:04:48,361 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:04:48,361 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:04:48,361 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:04:48,362 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:04:48,362 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:04:48,362 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:04:48,362 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:04:48,362 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:04:48,363 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:04:48,363 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:04:48,363 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:04:48,363 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:04:48,364 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:04:48,364 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:04:48,364 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:04:48,364 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:04:48,364 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_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 [2023-12-02 18:04:48,586 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:04:48,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:04:48,607 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:04:48,608 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:04:48,609 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:04:48,610 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i [2023-12-02 18:04:51,346 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:04:51,525 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:04:51,525 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i [2023-12-02 18:04:51,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data/edc604229/2c9c67d202704839bb073f1b5abb35d6/FLAG4549d3d52 [2023-12-02 18:04:51,545 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data/edc604229/2c9c67d202704839bb073f1b5abb35d6 [2023-12-02 18:04:51,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:04:51,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:04:51,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:04:51,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:04:51,553 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:04:51,554 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,555 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18ca3683 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51, skipping insertion in model container [2023-12-02 18:04:51,556 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,587 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:04:51,708 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2023-12-02 18:04:51,781 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:04:51,793 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:04:51,803 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2023-12-02 18:04:51,841 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:04:51,856 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:04:51,856 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51 WrapperNode [2023-12-02 18:04:51,856 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:04:51,857 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:04:51,857 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:04:51,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:04:51,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,876 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,923 INFO L138 Inliner]: procedures = 26, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 171 [2023-12-02 18:04:51,923 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:04:51,924 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:04:51,924 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:04:51,924 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:04:51,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,932 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,936 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,937 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,953 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,957 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,963 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,967 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,974 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:04:51,975 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:04:51,976 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:04:51,976 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:04:51,977 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (1/1) ... [2023-12-02 18:04:51,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:04:51,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:04:52,004 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:04:52,015 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:04:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:04:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:04:52,040 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:04:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:04:52,040 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:04:52,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:04:52,116 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:04:52,118 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:04:52,466 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:04:52,609 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:04:52,610 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:04:52,611 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:52 BoogieIcfgContainer [2023-12-02 18:04:52,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:04:52,613 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:04:52,613 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:04:52,615 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:04:52,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:04:51" (1/3) ... [2023-12-02 18:04:52,616 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e7200c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:04:52, skipping insertion in model container [2023-12-02 18:04:52,616 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:51" (2/3) ... [2023-12-02 18:04:52,617 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e7200c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:04:52, skipping insertion in model container [2023-12-02 18:04:52,617 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:52" (3/3) ... [2023-12-02 18:04:52,618 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-28.i [2023-12-02 18:04:52,632 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:04:52,632 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:04:52,673 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:04:52,678 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@2fa0d42c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:04:52,679 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:04:52,682 INFO L276 IsEmpty]: Start isEmpty. Operand has 44 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 18:04:52,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2023-12-02 18:04:52,693 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:04:52,693 INFO L195 NwaCegarLoop]: trace histogram [22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:04:52,694 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:04:52,699 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:04:52,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1907362255, now seen corresponding path program 1 times [2023-12-02 18:04:52,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:04:52,710 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285762292] [2023-12-02 18:04:52,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:04:52,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:04:52,867 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:04:52,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [129204303] [2023-12-02 18:04:52,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:04:52,868 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:04:52,868 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:04:52,880 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:04:52,881 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:04:53,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:04:53,116 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:04:53,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:04:53,249 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:04:53,251 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:04:53,252 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:04:53,265 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:04:53,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 18:04:53,458 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:04:53,461 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:04:53,533 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:04:53 BoogieIcfgContainer [2023-12-02 18:04:53,533 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:04:53,533 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:04:53,534 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:04:53,534 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:04:53,534 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:04:52" (3/4) ... [2023-12-02 18:04:53,537 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:04:53,538 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:04:53,539 INFO L158 Benchmark]: Toolchain (without parser) took 1990.88ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 97.4MB in the end (delta: 14.9MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-12-02 18:04:53,540 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:04:53,540 INFO L158 Benchmark]: CACSL2BoogieTranslator took 307.62ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 96.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:04:53,541 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.21ms. Allocated memory is still 148.9MB. Free memory was 96.8MB in the beginning and 91.0MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:04:53,542 INFO L158 Benchmark]: Boogie Preprocessor took 50.83ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 88.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 18:04:53,542 INFO L158 Benchmark]: RCFGBuilder took 635.67ms. Allocated memory is still 148.9MB. Free memory was 88.4MB in the beginning and 79.1MB in the end (delta: 9.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. [2023-12-02 18:04:53,543 INFO L158 Benchmark]: TraceAbstraction took 920.09ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 97.4MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:04:53,543 INFO L158 Benchmark]: Witness Printer took 4.55ms. Allocated memory is still 148.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:04:53,546 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 109.1MB. Free memory is still 57.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 307.62ms. Allocated memory is still 148.9MB. Free memory was 112.4MB in the beginning and 96.8MB in the end (delta: 15.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.21ms. Allocated memory is still 148.9MB. Free memory was 96.8MB in the beginning and 91.0MB in the end (delta: 5.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.83ms. Allocated memory is still 148.9MB. Free memory was 91.0MB in the beginning and 88.4MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 635.67ms. Allocated memory is still 148.9MB. Free memory was 88.4MB in the beginning and 79.1MB in the end (delta: 9.3MB). Peak memory consumption was 17.1MB. Max. memory is 16.1GB. * TraceAbstraction took 920.09ms. Allocated memory is still 148.9MB. Free memory was 78.3MB in the beginning and 97.4MB in the end (delta: -19.1MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.55ms. Allocated memory is still 148.9MB. Free memory is still 97.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 143, overapproximation of shiftLeft at line 95, overapproximation of someBinaryDOUBLEComparisonOperation at line 143, overapproximation of someBinaryArithmeticFLOAToperation at line 76. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 4; [L23] unsigned char var_1_6 = 4; [L24] unsigned char var_1_7 = 2; [L25] unsigned char var_1_8 = 128; [L26] unsigned char var_1_9 = 0; [L27] unsigned char var_1_10 = 100; [L28] signed short int var_1_11 = 10; [L29] unsigned char var_1_12 = 1; [L30] unsigned char var_1_13 = 1; [L31] unsigned char var_1_14 = 0; [L32] signed long int var_1_15 = 128; [L33] unsigned char var_1_16 = 128; [L34] unsigned char var_1_17 = 5; [L35] double var_1_18 = 3.6; [L36] double var_1_19 = 31.45; [L37] float var_1_20 = 50.25; [L38] float var_1_21 = 9.8; [L39] float var_1_22 = 4.65; [L40] float var_1_23 = 99.65; [L41] unsigned short int last_1_var_1_1 = 4; [L42] unsigned char last_1_var_1_6 = 4; [L43] signed short int last_1_var_1_11 = 10; [L44] signed long int last_1_var_1_15 = 128; [L147] isInitial = 1 [L148] FCALL initially() [L149] int k_loop; [L150] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L150] COND TRUE k_loop < 1 [L151] CALL updateLastVariables() [L137] last_1_var_1_1 = var_1_1 [L138] last_1_var_1_6 = var_1_6 [L139] last_1_var_1_11 = var_1_11 [L140] last_1_var_1_15 = var_1_15 [L151] RET updateLastVariables() [L152] CALL updateVariables() [L100] var_1_7 = __VERIFIER_nondet_uchar() [L101] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_8=128, var_1_9=0] [L102] CALL assume_abort_if_not(var_1_7 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_7 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=128, var_1_9=0] [L103] var_1_8 = __VERIFIER_nondet_uchar() [L104] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_9=0] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_9=0] [L105] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L106] var_1_9 = __VERIFIER_nondet_uchar() [L107] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1] [L108] CALL assume_abort_if_not(var_1_9 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_9 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=100, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L109] var_1_10 = __VERIFIER_nondet_uchar() [L110] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L111] CALL assume_abort_if_not(var_1_10 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_10 <= 254) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L112] var_1_12 = __VERIFIER_nondet_uchar() [L113] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L114] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L115] var_1_13 = __VERIFIER_nondet_uchar() [L116] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L117] CALL assume_abort_if_not(var_1_13 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_13 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L118] var_1_14 = __VERIFIER_nondet_uchar() [L119] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L120] CALL assume_abort_if_not(var_1_14 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_14 <= 1) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=128, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L121] var_1_16 = __VERIFIER_nondet_uchar() [L122] CALL assume_abort_if_not(var_1_16 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_16 >= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L123] CALL assume_abort_if_not(var_1_16 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_16 <= 255) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=5, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L124] var_1_17 = __VERIFIER_nondet_uchar() [L125] CALL assume_abort_if_not(var_1_17 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_17 >= 0) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L126] CALL assume_abort_if_not(var_1_17 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_17 <= 127) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_19=629/20, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L127] var_1_19 = __VERIFIER_nondet_double() [L128] CALL assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not((var_1_19 >= -922337.2036854765600e+13F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 9223372.036854765600e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_21=49/5, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L129] var_1_21 = __VERIFIER_nondet_float() [L130] CALL assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not((var_1_21 >= -461168.6018427382800e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_22=93/20, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L131] var_1_22 = __VERIFIER_nondet_float() [L132] CALL assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not((var_1_22 >= -461168.6018427382800e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 4611686.018427382800e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_23=1993/20, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L133] var_1_23 = __VERIFIER_nondet_float() [L134] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L20] COND FALSE !(!cond) [L134] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=10, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=128, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_1=4, var_1_20=201/4, var_1_6=4, var_1_7=2, var_1_8=1, var_1_9=0] [L152] RET updateVariables() [L153] CALL step() [L48] unsigned char stepLocal_2 = var_1_14; [L49] COND TRUE \read(var_1_12) [L50] COND FALSE !(\read(var_1_13)) [L57] var_1_11 = var_1_8 [L62] signed long int stepLocal_1 = last_1_var_1_1; [L63] COND TRUE stepLocal_1 < 5 [L64] var_1_6 = ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))) [L68] unsigned char stepLocal_0 = var_1_6; [L69] COND FALSE !(var_1_11 <= stepLocal_0) [L72] signed long int stepLocal_5 = 0; [L73] COND FALSE !(\read(var_1_13)) [L86] var_1_20 = var_1_23 [L88] unsigned char stepLocal_3 = var_1_6; [L89] COND TRUE stepLocal_3 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17) [L90] var_1_15 = (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))) [L94] unsigned short int stepLocal_4 = var_1_1; [L95] EXPR 200 << var_1_15 [L95] COND FALSE !(((200 << var_1_15) * (var_1_17 * var_1_7)) < stepLocal_4) [L153] RET step() [L154] CALL, EXPR property() [L143] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L143] EXPR 200 << var_1_15 [L143] EXPR (((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1) [L143-L144] return ((((((var_1_11 <= var_1_6) ? (var_1_1 == ((unsigned short int) ((((((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) > (var_1_6)) ? (((((var_1_11) < (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))) ? (var_1_11) : (((((var_1_6) > (var_1_6)) ? (var_1_6) : (var_1_6))))))) : (var_1_6))))) : 1) && ((last_1_var_1_1 < 5) ? (var_1_6 == ((unsigned char) ((((((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) > (var_1_10)) ? (((((((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) < (var_1_9)) ? (((((var_1_7) < (var_1_8)) ? (var_1_7) : (var_1_8)))) : (var_1_9)))) : (var_1_10))))) : (var_1_6 == ((unsigned char) var_1_10)))) && (var_1_12 ? (var_1_13 ? (((last_1_var_1_6 > (~ var_1_10)) && var_1_14) ? (var_1_11 == ((signed short int) ((((var_1_8) > ((var_1_10 + last_1_var_1_15))) ? (var_1_8) : ((var_1_10 + last_1_var_1_15)))))) : (var_1_11 == ((signed short int) last_1_var_1_6))) : (var_1_11 == ((signed short int) var_1_8))) : (var_1_11 == ((signed short int) last_1_var_1_11)))) && ((var_1_6 <= (((((128) > (var_1_16)) ? (128) : (var_1_16))) - var_1_17)) ? (var_1_15 == ((signed long int) (((((var_1_6 - var_1_6)) > (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7))))) ? ((var_1_6 - var_1_6)) : (((((var_1_8) < (var_1_7)) ? (var_1_8) : (var_1_7)))))))) : (var_1_15 == ((signed long int) var_1_11)))) && ((((200 << var_1_15) * (var_1_17 * var_1_7)) < var_1_1) ? (var_1_18 == ((double) var_1_19)) : 1)) && (var_1_13 ? (var_1_14 ? (var_1_12 ? (var_1_20 == ((float) (var_1_21 + ((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))) : 1) : ((var_1_6 <= 0) ? (var_1_20 == ((float) var_1_19)) : (var_1_20 == ((float) var_1_22)))) : (var_1_20 == ((float) var_1_23))) ; [L154] RET, EXPR property() [L154] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_19=0, var_1_1=4, var_1_20=2, var_1_22=0, var_1_23=2, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_11=10, last_1_var_1_15=128, last_1_var_1_1=4, last_1_var_1_6=4, var_1_10=0, var_1_11=1, var_1_12=1, var_1_13=0, var_1_14=0, var_1_15=1, var_1_16=255, var_1_17=1, var_1_18=18/5, var_1_19=0, var_1_1=4, var_1_20=2, var_1_22=0, var_1_23=2, var_1_6=0, var_1_7=2, var_1_8=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 44 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 1, TraceHistogramMax: 22, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=44occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 18:04:53,566 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh --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 eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:04:55,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:04:55,533 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:04:55,539 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:04:55,540 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:04:55,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:04:55,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:04:55,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:04:55,568 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:04:55,569 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:04:55,569 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:04:55,570 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:04:55,570 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:04:55,571 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:04:55,571 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:04:55,572 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:04:55,573 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:04:55,573 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:04:55,574 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:04:55,574 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:04:55,574 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:04:55,575 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:04:55,575 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:04:55,576 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:04:55,576 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:04:55,576 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:04:55,577 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:04:55,577 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:04:55,578 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:04:55,578 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:04:55,578 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:04:55,579 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:04:55,579 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:04:55,579 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:04:55,579 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:04:55,580 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:04:55,580 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:04:55,580 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:04:55,580 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:04:55,581 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:04:55,581 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:04:55,581 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:04:55,581 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:04:55,582 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:04:55,582 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb9514c110f30441b6230f99cfb64804f1f8af1bad5cb610cf0e2a87b7fd20e1 [2023-12-02 18:04:55,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:04:55,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:04:55,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:04:55,890 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:04:55,890 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:04:55,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i [2023-12-02 18:04:58,721 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:04:58,909 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:04:58,909 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i [2023-12-02 18:04:58,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data/5f28db1e1/1300e3cbfe0c4db084f6c55c45068ea0/FLAG1688fe4f3 [2023-12-02 18:04:58,934 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/data/5f28db1e1/1300e3cbfe0c4db084f6c55c45068ea0 [2023-12-02 18:04:58,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:04:58,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:04:58,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:04:58,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:04:58,944 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:04:58,945 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:58" (1/1) ... [2023-12-02 18:04:58,946 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c012e3a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:58, skipping insertion in model container [2023-12-02 18:04:58,946 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:04:58" (1/1) ... [2023-12-02 18:04:58,978 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:04:59,113 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2023-12-02 18:04:59,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:04:59,190 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:04:59,217 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_50-1loop_file-28.i[915,928] [2023-12-02 18:04:59,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:04:59,272 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:04:59,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59 WrapperNode [2023-12-02 18:04:59,272 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:04:59,273 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:04:59,273 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:04:59,273 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:04:59,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,292 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,320 INFO L138 Inliner]: procedures = 27, calls = 35, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 158 [2023-12-02 18:04:59,321 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:04:59,322 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:04:59,322 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:04:59,322 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:04:59,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,336 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,336 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,349 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,353 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,356 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,359 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,364 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:04:59,365 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:04:59,365 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:04:59,365 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:04:59,366 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (1/1) ... [2023-12-02 18:04:59,373 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:04:59,383 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:04:59,395 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:04:59,405 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:04:59,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:04:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:04:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:04:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:04:59,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:04:59,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:04:59,518 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:04:59,520 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:05:00,284 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:05:00,337 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:05:00,337 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:05:00,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:00 BoogieIcfgContainer [2023-12-02 18:05:00,338 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:05:00,341 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:05:00,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:05:00,344 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:05:00,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:04:58" (1/3) ... [2023-12-02 18:05:00,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4a6ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:05:00, skipping insertion in model container [2023-12-02 18:05:00,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:04:59" (2/3) ... [2023-12-02 18:05:00,346 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e4a6ce5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:05:00, skipping insertion in model container [2023-12-02 18:05:00,346 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:05:00" (3/3) ... [2023-12-02 18:05:00,347 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_50-1loop_file-28.i [2023-12-02 18:05:00,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:05:00,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:05:00,418 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:05:00,424 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@565dd26a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:05:00,425 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:05:00,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 18:05:00,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 18:05:00,462 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:05:00,463 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:05:00,464 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:05:00,469 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:05:00,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1901386024, now seen corresponding path program 1 times [2023-12-02 18:05:00,483 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:05:00,483 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [893617888] [2023-12-02 18:05:00,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:05:00,484 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:05:00,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:05:00,486 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:05:00,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-12-02 18:05:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:05:00,835 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 18:05:00,845 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:05:00,892 INFO L134 CoverageAnalysis]: Checked inductivity of 924 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 450 trivial. 0 not checked. [2023-12-02 18:05:00,892 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:05:00,893 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:05:00,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [893617888] [2023-12-02 18:05:00,894 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [893617888] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:05:00,894 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 18:05:00,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 18:05:00,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909455898] [2023-12-02 18:05:00,897 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:05:00,901 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 18:05:00,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:05:00,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 18:05:00,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:05:00,933 INFO L87 Difference]: Start difference. First operand has 64 states, 39 states have (on average 1.4102564102564104) internal successors, (55), 40 states have internal predecessors, (55), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) Second operand has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 18:05:01,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:05:01,346 INFO L93 Difference]: Finished difference Result 127 states and 219 transitions. [2023-12-02 18:05:01,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 18:05:01,349 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) Word has length 139 [2023-12-02 18:05:01,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:05:01,354 INFO L225 Difference]: With dead ends: 127 [2023-12-02 18:05:01,355 INFO L226 Difference]: Without dead ends: 62 [2023-12-02 18:05:01,358 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 138 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 18:05:01,362 INFO L413 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 18:05:01,363 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 91 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 18:05:01,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2023-12-02 18:05:01,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2023-12-02 18:05:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 38 states have (on average 1.3157894736842106) internal successors, (50), 38 states have internal predecessors, (50), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 18:05:01,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 94 transitions. [2023-12-02 18:05:01,401 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 94 transitions. Word has length 139 [2023-12-02 18:05:01,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:05:01,401 INFO L495 AbstractCegarLoop]: Abstraction has 62 states and 94 transitions. [2023-12-02 18:05:01,402 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 18.0) internal successors, (36), 2 states have internal predecessors, (36), 2 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 2 states have call predecessors, (22), 2 states have call successors, (22) [2023-12-02 18:05:01,402 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 94 transitions. [2023-12-02 18:05:01,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-12-02 18:05:01,404 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:05:01,405 INFO L195 NwaCegarLoop]: trace histogram [22, 22, 22, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 18:05:01,415 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:05:01,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:05:01,605 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:05:01,606 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:05:01,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1841895904, now seen corresponding path program 1 times [2023-12-02 18:05:01,607 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:05:01,607 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1622301674] [2023-12-02 18:05:01,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:05:01,608 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 18:05:01,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:05:01,609 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-12-02 18:05:01,610 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9fe0c4eb-3f30-4b98-8985-6898d3cea258/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 18:05:01,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:05:01,953 INFO L262 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 27 conjunts are in the unsatisfiable core [2023-12-02 18:05:01,968 INFO L285 TraceCheckSpWp]: Computing forward predicates...