./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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_afead454-db3f-4743-9211-132324629090/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 7b4252758efbc1ea243981b5affe5cae4f7b3d6ca3ae0f48f1504930533273e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:42:46,950 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:42:47,014 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 18:42:47,018 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:42:47,019 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:42:47,041 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:42:47,042 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:42:47,042 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:42:47,043 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:42:47,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:42:47,044 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:42:47,045 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:42:47,045 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:42:47,046 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 18:42:47,046 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:42:47,047 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:42:47,047 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 18:42:47,048 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 18:42:47,048 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:42:47,049 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 18:42:47,049 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 18:42:47,051 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 18:42:47,052 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:42:47,052 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:42:47,053 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:42:47,053 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 18:42:47,054 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:42:47,054 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:42:47,055 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:42:47,055 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:42:47,056 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:42:47,056 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:42:47,056 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:42:47,057 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:42:47,057 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:42:47,057 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:42:47,057 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:42:47,057 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:42:47,058 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:42:47,058 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:42:47,058 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:42:47,058 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 18:42:47,059 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 18:42:47,059 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:42:47,059 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:42:47,059 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:42:47,059 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:42:47,059 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_afead454-db3f-4743-9211-132324629090/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b4252758efbc1ea243981b5affe5cae4f7b3d6ca3ae0f48f1504930533273e3 [2023-12-02 18:42:47,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:42:47,299 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:42:47,302 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:42:47,304 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:42:47,304 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:42:47,305 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i [2023-12-02 18:42:50,088 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:42:50,281 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:42:50,281 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i [2023-12-02 18:42:50,292 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data/4964cd2f9/7ab8a9615dfe4a529140fd8673334434/FLAG39ab0be81 [2023-12-02 18:42:50,305 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data/4964cd2f9/7ab8a9615dfe4a529140fd8673334434 [2023-12-02 18:42:50,308 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:42:50,310 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:42:50,311 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:42:50,311 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:42:50,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:42:50,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16ac1fbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50, skipping insertion in model container [2023-12-02 18:42:50,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,366 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:42:50,524 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_afead454-db3f-4743-9211-132324629090/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i[915,928] [2023-12-02 18:42:50,613 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:42:50,626 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:42:50,640 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_afead454-db3f-4743-9211-132324629090/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i[915,928] [2023-12-02 18:42:50,682 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:42:50,701 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:42:50,701 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50 WrapperNode [2023-12-02 18:42:50,701 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:42:50,702 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:42:50,703 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:42:50,703 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:42:50,710 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,725 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,770 INFO L138 Inliner]: procedures = 26, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 233 [2023-12-02 18:42:50,770 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:42:50,771 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:42:50,771 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:42:50,771 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:42:50,781 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,786 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,807 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,810 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,814 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,821 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:42:50,822 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:42:50,822 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:42:50,822 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:42:50,823 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (1/1) ... [2023-12-02 18:42:50,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:42:50,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:42:50,853 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:42:50,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:42:50,892 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:42:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:42:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:42:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 18:42:50,893 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:42:50,893 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:42:50,984 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:42:50,986 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:42:51,434 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:42:51,809 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:42:51,809 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:42:51,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:51 BoogieIcfgContainer [2023-12-02 18:42:51,811 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:42:51,813 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:42:51,813 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:42:51,816 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:42:51,817 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:42:50" (1/3) ... [2023-12-02 18:42:51,817 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ce10e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:42:51, skipping insertion in model container [2023-12-02 18:42:51,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:50" (2/3) ... [2023-12-02 18:42:51,818 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@72ce10e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:42:51, skipping insertion in model container [2023-12-02 18:42:51,818 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:51" (3/3) ... [2023-12-02 18:42:51,819 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-3.i [2023-12-02 18:42:51,838 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:42:51,839 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:42:51,891 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:42:51,898 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;@40aff0c9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:42:51,898 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:42:51,903 INFO L276 IsEmpty]: Start isEmpty. Operand has 56 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 18:42:51,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-12-02 18:42:51,917 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:42:51,918 INFO L195 NwaCegarLoop]: trace histogram [30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:42:51,919 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:42:51,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:42:51,924 INFO L85 PathProgramCache]: Analyzing trace with hash 544045217, now seen corresponding path program 1 times [2023-12-02 18:42:51,934 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 18:42:51,934 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1590392973] [2023-12-02 18:42:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:42:51,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 18:42:52,108 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 18:42:52,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [606115366] [2023-12-02 18:42:52,109 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:42:52,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:42:52,110 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:42:52,111 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:42:52,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 18:42:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:42:52,577 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 18:42:52,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 18:42:52,814 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 18:42:52,816 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 18:42:52,817 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 18:42:52,828 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 18:42:53,020 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:42:53,024 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 18:42:53,027 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 18:42:53,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 06:42:53 BoogieIcfgContainer [2023-12-02 18:42:53,133 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 18:42:53,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 18:42:53,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 18:42:53,134 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 18:42:53,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:42:51" (3/4) ... [2023-12-02 18:42:53,137 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 18:42:53,138 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 18:42:53,139 INFO L158 Benchmark]: Toolchain (without parser) took 2829.59ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 108.9MB in the beginning and 119.5MB in the end (delta: -10.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2023-12-02 18:42:53,140 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:42:53,140 INFO L158 Benchmark]: CACSL2BoogieTranslator took 390.75ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 91.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 18:42:53,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.97ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 86.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 18:42:53,142 INFO L158 Benchmark]: Boogie Preprocessor took 49.82ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 83.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 18:42:53,142 INFO L158 Benchmark]: RCFGBuilder took 989.02ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 83.2MB in the beginning and 100.7MB in the end (delta: -17.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2023-12-02 18:42:53,143 INFO L158 Benchmark]: TraceAbstraction took 1320.21ms. Allocated memory is still 186.6MB. Free memory was 100.7MB in the beginning and 119.5MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:42:53,143 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 186.6MB. Free memory is still 119.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 18:42:53,147 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 151.0MB. Free memory is still 124.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 390.75ms. Allocated memory is still 151.0MB. Free memory was 108.6MB in the beginning and 91.7MB in the end (delta: 16.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.97ms. Allocated memory is still 151.0MB. Free memory was 91.7MB in the beginning and 86.2MB in the end (delta: 5.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.82ms. Allocated memory is still 151.0MB. Free memory was 86.2MB in the beginning and 83.2MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 989.02ms. Allocated memory was 151.0MB in the beginning and 186.6MB in the end (delta: 35.7MB). Free memory was 83.2MB in the beginning and 100.7MB in the end (delta: -17.5MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1320.21ms. Allocated memory is still 186.6MB. Free memory was 100.7MB in the beginning and 119.5MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 186.6MB. Free memory is still 119.5MB. 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 93, overapproximation of shiftLeft at line 84, overapproximation of someBinaryArithmeticDOUBLEoperation at line 96, overapproximation of someBinaryDOUBLEComparisonOperation at line 107, overapproximation of someBinaryArithmeticFLOAToperation at line 67. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed char var_1_1 = -2; [L23] unsigned char var_1_4 = 128; [L24] signed char var_1_5 = 32; [L25] unsigned char var_1_6 = 0; [L26] unsigned char var_1_7 = 0; [L27] unsigned char var_1_9 = 0; [L28] unsigned short int var_1_10 = 5; [L29] unsigned long int var_1_12 = 500; [L30] signed char var_1_13 = -2; [L31] float var_1_14 = 128.5; [L32] float var_1_16 = 99999999999999.05; [L33] float var_1_17 = 1.125; [L34] float var_1_18 = 0.30000000000000004; [L35] double var_1_19 = 128.6; [L36] unsigned char var_1_20 = 25; [L37] unsigned char var_1_21 = 128; [L38] unsigned char var_1_22 = 8; [L39] unsigned char var_1_23 = 0; [L40] unsigned char var_1_24 = 32; [L41] unsigned char var_1_26 = 200; [L42] unsigned char var_1_27 = 5; [L43] unsigned char var_1_28 = 0; [L44] signed long int var_1_29 = -2; [L45] double var_1_31 = 127.8; [L46] double var_1_32 = 24.5; [L47] double var_1_33 = 1000000.75; [L48] double var_1_34 = 5.5; [L49] unsigned char last_1_var_1_6 = 0; [L50] unsigned short int last_1_var_1_10 = 5; [L51] unsigned char last_1_var_1_20 = 25; [L52] unsigned char last_1_var_1_28 = 0; [L53] signed long int last_1_var_1_29 = -2; [L214] isInitial = 1 [L215] FCALL initially() [L216] COND TRUE 1 [L217] CALL updateLastVariables() [L203] last_1_var_1_6 = var_1_6 [L204] last_1_var_1_10 = var_1_10 [L205] last_1_var_1_20 = var_1_20 [L206] last_1_var_1_28 = var_1_28 [L207] last_1_var_1_29 = var_1_29 [L217] RET updateLastVariables() [L218] CALL updateVariables() [L154] var_1_4 = __VERIFIER_nondet_uchar() [L155] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L156] CALL assume_abort_if_not(var_1_4 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_4 <= 255) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L157] CALL assume_abort_if_not(var_1_4 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_4 != 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=32, var_1_6=0, var_1_7=0, var_1_9=0] [L158] var_1_5 = __VERIFIER_nondet_char() [L159] CALL assume_abort_if_not(var_1_5 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_5 >= -63) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=0, var_1_9=0] [L160] CALL assume_abort_if_not(var_1_5 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=0, var_1_9=0] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_5 <= 63) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=0, var_1_9=0] [L161] var_1_7 = __VERIFIER_nondet_uchar() [L162] CALL assume_abort_if_not(var_1_7 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_7 >= 1) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L163] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L164] var_1_9 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1] [L166] CALL assume_abort_if_not(var_1_9 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_9 <= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-2, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L167] var_1_13 = __VERIFIER_nondet_char() [L168] CALL assume_abort_if_not(var_1_13 >= -128) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_13 >= -128) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L169] CALL assume_abort_if_not(var_1_13 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_13 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L170] CALL assume_abort_if_not(var_1_13 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_13 != 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_16=1999999999999981/20, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L171] var_1_16 = __VERIFIER_nondet_float() [L172] CALL assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_16 >= -461168.6018427382800e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427382800e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_17=9/8, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L173] var_1_17 = __VERIFIER_nondet_float() [L174] CALL assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_17 >= -461168.6018427382800e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427382800e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_18=7500000000000001/25000000000000000, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L175] var_1_18 = __VERIFIER_nondet_float() [L176] CALL assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not((var_1_18 >= -461168.6018427382800e+13F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=128, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L177] var_1_21 = __VERIFIER_nondet_uchar() [L178] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L179] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=8, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L180] var_1_22 = __VERIFIER_nondet_uchar() [L181] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L182] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L183] var_1_23 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L185] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=32, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L186] var_1_24 = __VERIFIER_nondet_uchar() [L187] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L188] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=200, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L189] var_1_26 = __VERIFIER_nondet_uchar() [L190] CALL assume_abort_if_not(var_1_26 >= 190) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L190] RET assume_abort_if_not(var_1_26 >= 190) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L191] CALL assume_abort_if_not(var_1_26 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_26 <= 254) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=5, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L192] var_1_27 = __VERIFIER_nondet_uchar() [L193] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L193] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L194] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_32=49/2, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L195] var_1_32 = __VERIFIER_nondet_double() [L196] CALL assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L196] RET assume_abort_if_not((var_1_32 >= 0.0F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 9223372.036854765600e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_33=4000003/4, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L197] var_1_33 = __VERIFIER_nondet_double() [L198] CALL assume_abort_if_not((var_1_33 >= 0.0F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not((var_1_33 >= 0.0F && var_1_33 <= -1.0e-20F) || (var_1_33 <= 9223372.036854765600e+12F && var_1_33 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_34=11/2, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L199] var_1_34 = __VERIFIER_nondet_double() [L200] CALL assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not((var_1_34 >= -461168.6018427382800e+13F && var_1_34 <= -1.0e-20F) || (var_1_34 <= 4611686.018427382800e+12F && var_1_34 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=5, var_1_12=500, var_1_13=-15, var_1_14=257/2, var_1_19=643/5, var_1_1=-2, var_1_20=25, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=-2, var_1_31=639/5, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L218] RET updateVariables() [L219] CALL step() [L57] COND FALSE !(var_1_4 != (last_1_var_1_20 + last_1_var_1_10)) [L60] COND TRUE (((((last_1_var_1_29) > (last_1_var_1_29)) ? (last_1_var_1_29) : (last_1_var_1_29))) > var_1_5) || var_1_7 [L61] var_1_6 = var_1_9 [L66] COND FALSE !(var_1_6 || var_1_6) [L69] var_1_14 = var_1_16 [L71] unsigned char stepLocal_2 = var_1_9; [L72] COND FALSE !(stepLocal_2 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) [L77] var_1_10 = last_1_var_1_28 [L79] unsigned char stepLocal_8 = var_1_26; [L80] unsigned char stepLocal_7 = last_1_var_1_6; [L81] unsigned char stepLocal_6 = var_1_24; [L82] COND FALSE !(var_1_7 && stepLocal_7) [L89] signed long int stepLocal_3 = var_1_4 / var_1_13; [L90] COND FALSE !(var_1_5 != stepLocal_3) [L93] COND FALSE !(var_1_16 <= var_1_14) [L104] var_1_31 = var_1_17 [L106] COND TRUE ! var_1_6 [L107] COND TRUE var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18))) [L108] var_1_19 = (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))) [L115] unsigned short int stepLocal_5 = var_1_10; [L116] signed char stepLocal_4 = var_1_13; [L117] COND FALSE !((var_1_14 * var_1_18) > var_1_16) [L128] COND FALSE !(\read(var_1_9)) [L131] var_1_20 = var_1_27 [L134] unsigned short int stepLocal_1 = var_1_10; [L135] signed long int stepLocal_0 = var_1_28 / var_1_4; [L136] COND FALSE !(var_1_10 != stepLocal_0) [L143] unsigned char stepLocal_10 = var_1_26; [L144] unsigned char stepLocal_9 = var_1_6; [L145] COND FALSE !(var_1_27 > stepLocal_10) [L148] COND TRUE stepLocal_9 || var_1_7 [L149] var_1_29 = var_1_12 [L219] RET step() [L220] CALL, EXPR property() [L210] EXPR ((((((((var_1_10 != (var_1_28 / var_1_4)) ? ((var_1_28 >= var_1_10) ? (var_1_1 == ((signed char) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) + -5))) : (var_1_1 == ((signed char) var_1_5))) : 1) && ((var_1_4 != (last_1_var_1_20 + last_1_var_1_10)) ? (var_1_6 == ((unsigned char) ((var_1_4 <= last_1_var_1_20) && (! var_1_7)))) : (((((((last_1_var_1_29) > (last_1_var_1_29)) ? (last_1_var_1_29) : (last_1_var_1_29))) > var_1_5) || var_1_7) ? (var_1_6 == ((unsigned char) var_1_9)) : (var_1_6 == ((unsigned char) var_1_7))))) && ((var_1_9 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) ? (var_1_7 ? (var_1_10 == ((unsigned short int) last_1_var_1_28)) : 1) : (var_1_10 == ((unsigned short int) last_1_var_1_28)))) && ((var_1_5 != (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned long int) ((((var_1_28) > (8u)) ? (var_1_28) : (8u))))) : 1)) && ((var_1_6 || var_1_6) ? (var_1_14 == ((float) (var_1_16 + (((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18)))))))) : (var_1_14 == ((float) var_1_16)))) && ((! var_1_6) ? ((var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18)))) ? (var_1_19 == ((double) (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))))) : (var_1_19 == ((double) var_1_16))) : (var_1_19 == ((double) var_1_17)))) && (((var_1_14 * var_1_18) > var_1_16) ? ((var_1_12 < var_1_13) ? (var_1_20 == ((unsigned char) (((((var_1_21 - var_1_22)) > ((var_1_23 + var_1_24))) ? ((var_1_21 - var_1_22)) : ((var_1_23 + var_1_24)))))) : ((var_1_10 < var_1_21) ? (var_1_20 == ((unsigned char) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : (var_1_20 == ((unsigned char) ((var_1_26 - var_1_27) - var_1_24))))) : (var_1_9 ? (var_1_20 == ((unsigned char) var_1_24)) : (var_1_20 == ((unsigned char) var_1_27))))) && ((var_1_7 && last_1_var_1_6) ? ((last_1_var_1_20 > var_1_24) ? ((var_1_26 < ((var_1_13 * var_1_4) << last_1_var_1_20)) ? (var_1_28 == ((unsigned char) var_1_24)) : 1) : 1) : 1) [L210-L211] return ((((((((((var_1_10 != (var_1_28 / var_1_4)) ? ((var_1_28 >= var_1_10) ? (var_1_1 == ((signed char) (((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) + -5))) : (var_1_1 == ((signed char) var_1_5))) : 1) && ((var_1_4 != (last_1_var_1_20 + last_1_var_1_10)) ? (var_1_6 == ((unsigned char) ((var_1_4 <= last_1_var_1_20) && (! var_1_7)))) : (((((((last_1_var_1_29) > (last_1_var_1_29)) ? (last_1_var_1_29) : (last_1_var_1_29))) > var_1_5) || var_1_7) ? (var_1_6 == ((unsigned char) var_1_9)) : (var_1_6 == ((unsigned char) var_1_7))))) && ((var_1_9 && ((var_1_4 * last_1_var_1_28) >= (last_1_var_1_29 + last_1_var_1_29))) ? (var_1_7 ? (var_1_10 == ((unsigned short int) last_1_var_1_28)) : 1) : (var_1_10 == ((unsigned short int) last_1_var_1_28)))) && ((var_1_5 != (var_1_4 / var_1_13)) ? (var_1_12 == ((unsigned long int) ((((var_1_28) > (8u)) ? (var_1_28) : (8u))))) : 1)) && ((var_1_6 || var_1_6) ? (var_1_14 == ((float) (var_1_16 + (((((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) < 0 ) ? -((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18))) : ((((var_1_17) < (var_1_18)) ? (var_1_17) : (var_1_18)))))))) : (var_1_14 == ((float) var_1_16)))) && ((! var_1_6) ? ((var_1_31 < ((((var_1_16) < (var_1_18)) ? (var_1_16) : (var_1_18)))) ? (var_1_19 == ((double) (49.5 + ((((var_1_18) > (var_1_17)) ? (var_1_18) : (var_1_17)))))) : (var_1_19 == ((double) var_1_16))) : (var_1_19 == ((double) var_1_17)))) && (((var_1_14 * var_1_18) > var_1_16) ? ((var_1_12 < var_1_13) ? (var_1_20 == ((unsigned char) (((((var_1_21 - var_1_22)) > ((var_1_23 + var_1_24))) ? ((var_1_21 - var_1_22)) : ((var_1_23 + var_1_24)))))) : ((var_1_10 < var_1_21) ? (var_1_20 == ((unsigned char) ((((var_1_23) < (var_1_24)) ? (var_1_23) : (var_1_24))))) : (var_1_20 == ((unsigned char) ((var_1_26 - var_1_27) - var_1_24))))) : (var_1_9 ? (var_1_20 == ((unsigned char) var_1_24)) : (var_1_20 == ((unsigned char) var_1_27))))) && ((var_1_7 && last_1_var_1_6) ? ((last_1_var_1_20 > var_1_24) ? ((var_1_26 < ((var_1_13 * var_1_4) << last_1_var_1_20)) ? (var_1_28 == ((unsigned char) var_1_24)) : 1) : 1) : 1)) && ((var_1_27 > var_1_26) ? (var_1_29 == ((signed long int) (var_1_1 - ((((var_1_10) > (((((var_1_28) < (var_1_10)) ? (var_1_28) : (var_1_10))))) ? (var_1_10) : (((((var_1_28) < (var_1_10)) ? (var_1_28) : (var_1_10))))))))) : ((var_1_6 || var_1_7) ? (var_1_29 == ((signed long int) var_1_12)) : 1))) && ((var_1_16 <= var_1_14) ? ((var_1_28 == var_1_10) ? (var_1_7 ? (var_1_31 == ((double) (var_1_32 - var_1_33))) : (var_1_31 == ((double) (var_1_18 + ((((var_1_34) > (var_1_17)) ? (var_1_34) : (var_1_17))))))) : (var_1_31 == ((double) var_1_16))) : (var_1_31 == ((double) var_1_17))) ; [L220] RET, EXPR property() [L220] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=0, var_1_12=500, var_1_13=-15, var_1_14=2, var_1_16=2, var_1_17=3, var_1_19=2, var_1_1=-2, var_1_20=63, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=500, var_1_31=3, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_10=5, last_1_var_1_20=25, last_1_var_1_28=0, last_1_var_1_29=-2, last_1_var_1_6=0, var_1_10=0, var_1_12=500, var_1_13=-15, var_1_14=2, var_1_16=2, var_1_17=3, var_1_19=2, var_1_1=-2, var_1_20=63, var_1_21=254, var_1_22=0, var_1_23=127, var_1_24=127, var_1_26=190, var_1_27=63, var_1_28=0, var_1_29=500, var_1_31=3, var_1_4=30, var_1_5=-2, var_1_6=0, var_1_7=1, var_1_9=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 56 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 30, 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=56occurred 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: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 111 NumberOfCodeBlocks, 111 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 18:42:53,167 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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_afead454-db3f-4743-9211-132324629090/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 7b4252758efbc1ea243981b5affe5cae4f7b3d6ca3ae0f48f1504930533273e3 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 18:42:55,157 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 18:42:55,235 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 18:42:55,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 18:42:55,242 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 18:42:55,268 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 18:42:55,269 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 18:42:55,269 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 18:42:55,270 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 18:42:55,270 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 18:42:55,271 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 18:42:55,271 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 18:42:55,272 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 18:42:55,272 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 18:42:55,273 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 18:42:55,273 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 18:42:55,274 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 18:42:55,275 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 18:42:55,275 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 18:42:55,275 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 18:42:55,276 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 18:42:55,277 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 18:42:55,277 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 18:42:55,277 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 18:42:55,278 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 18:42:55,278 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 18:42:55,279 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 18:42:55,279 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 18:42:55,280 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 18:42:55,280 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 18:42:55,281 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 18:42:55,281 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 18:42:55,282 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 18:42:55,282 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 18:42:55,282 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:42:55,283 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 18:42:55,283 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 18:42:55,283 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 18:42:55,283 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 18:42:55,283 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 18:42:55,283 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 18:42:55,284 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 18:42:55,284 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 18:42:55,284 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 18:42:55,284 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_afead454-db3f-4743-9211-132324629090/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7b4252758efbc1ea243981b5affe5cae4f7b3d6ca3ae0f48f1504930533273e3 [2023-12-02 18:42:55,595 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 18:42:55,616 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 18:42:55,619 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 18:42:55,620 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 18:42:55,621 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 18:42:55,622 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i [2023-12-02 18:42:58,451 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 18:42:58,670 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 18:42:58,671 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i [2023-12-02 18:42:58,682 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data/bc9624595/4329a28d3a92402191171eae31526c39/FLAG3140010ee [2023-12-02 18:42:58,695 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/data/bc9624595/4329a28d3a92402191171eae31526c39 [2023-12-02 18:42:58,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 18:42:58,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 18:42:58,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 18:42:58,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 18:42:58,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 18:42:58,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:58" (1/1) ... [2023-12-02 18:42:58,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3750e925 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:58, skipping insertion in model container [2023-12-02 18:42:58,706 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:42:58" (1/1) ... [2023-12-02 18:42:58,742 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 18:42:58,870 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_afead454-db3f-4743-9211-132324629090/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i[915,928] [2023-12-02 18:42:58,941 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:42:58,955 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 18:42:58,966 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_afead454-db3f-4743-9211-132324629090/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-3.i[915,928] [2023-12-02 18:42:59,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 18:42:59,044 INFO L206 MainTranslator]: Completed translation [2023-12-02 18:42:59,044 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59 WrapperNode [2023-12-02 18:42:59,045 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 18:42:59,045 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 18:42:59,046 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 18:42:59,046 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 18:42:59,051 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,068 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,100 INFO L138 Inliner]: procedures = 27, calls = 43, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 210 [2023-12-02 18:42:59,101 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 18:42:59,101 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 18:42:59,102 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 18:42:59,102 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 18:42:59,111 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,111 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,118 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,133 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,137 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,141 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,144 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 18:42:59,151 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 18:42:59,151 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 18:42:59,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 18:42:59,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (1/1) ... [2023-12-02 18:42:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 18:42:59,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:42:59,183 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 18:42:59,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 18:42:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 18:42:59,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 18:42:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 18:42:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 18:42:59,220 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 18:42:59,220 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 18:42:59,316 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 18:42:59,319 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 18:43:05,191 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 18:43:05,247 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 18:43:05,247 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 18:43:05,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:05 BoogieIcfgContainer [2023-12-02 18:43:05,248 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 18:43:05,251 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 18:43:05,252 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 18:43:05,255 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 18:43:05,255 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 06:42:58" (1/3) ... [2023-12-02 18:43:05,256 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f31f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:05, skipping insertion in model container [2023-12-02 18:43:05,256 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:42:59" (2/3) ... [2023-12-02 18:43:05,257 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@8f31f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 06:43:05, skipping insertion in model container [2023-12-02 18:43:05,257 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:43:05" (3/3) ... [2023-12-02 18:43:05,259 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-3.i [2023-12-02 18:43:05,278 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 18:43:05,278 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 18:43:05,326 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 18:43:05,333 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;@35e02a7e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 18:43:05,334 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 18:43:05,338 INFO L276 IsEmpty]: Start isEmpty. Operand has 88 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2023-12-02 18:43:05,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 18:43:05,356 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:43:05,356 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:05,357 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:43:05,362 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:43:05,362 INFO L85 PathProgramCache]: Analyzing trace with hash -1258841034, now seen corresponding path program 1 times [2023-12-02 18:43:05,384 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:43:05,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1966863477] [2023-12-02 18:43:05,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:05,385 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 18:43:05,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:43:05,387 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 18:43:05,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 18:43:05,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:43:06,021 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:43:06,036 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:43:07,101 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2023-12-02 18:43:07,102 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:43:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 18:43:07,668 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:43:07,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1966863477] [2023-12-02 18:43:07,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1966863477] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:43:07,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1757139145] [2023-12-02 18:43:07,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:07,670 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:43:07,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:43:07,707 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:43:07,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 18:43:09,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:43:09,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:43:09,127 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:43:10,447 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1740 trivial. 0 not checked. [2023-12-02 18:43:10,448 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 18:43:10,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1757139145] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 18:43:10,448 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 18:43:10,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [6, 6] total 12 [2023-12-02 18:43:10,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306282947] [2023-12-02 18:43:10,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 18:43:10,457 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 18:43:10,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:43:10,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 18:43:10,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=104, Unknown=0, NotChecked=0, Total=132 [2023-12-02 18:43:10,491 INFO L87 Difference]: Start difference. First operand has 88 states, 55 states have (on average 1.490909090909091) internal successors, (82), 56 states have internal predecessors, (82), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 18:43:13,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:15,553 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:17,555 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:19,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:21,823 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:23,831 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:25,833 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:27,839 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:29,846 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:31,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:33,855 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:35,859 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:38,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:40,176 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:42,181 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:44,184 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:46,193 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:48,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:50,201 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:52,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:54,213 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:43:54,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:43:54,215 INFO L93 Difference]: Finished difference Result 338 states and 623 transitions. [2023-12-02 18:43:54,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 18:43:54,274 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 189 [2023-12-02 18:43:54,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:43:54,288 INFO L225 Difference]: With dead ends: 338 [2023-12-02 18:43:54,288 INFO L226 Difference]: Without dead ends: 251 [2023-12-02 18:43:54,293 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 570 GetRequests, 553 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2023-12-02 18:43:54,297 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 375 mSDsluCounter, 459 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 92 mSolverCounterUnsat, 21 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 375 SdHoareTripleChecker+Valid, 591 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 21 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:43:54,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [375 Valid, 591 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 92 Invalid, 21 Unknown, 0 Unchecked, 43.3s Time] [2023-12-02 18:43:54,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 251 states. [2023-12-02 18:43:54,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 251 to 231. [2023-12-02 18:43:54,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 152 states have (on average 1.4473684210526316) internal successors, (220), 154 states have internal predecessors, (220), 74 states have call successors, (74), 4 states have call predecessors, (74), 4 states have return successors, (74), 72 states have call predecessors, (74), 74 states have call successors, (74) [2023-12-02 18:43:54,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 368 transitions. [2023-12-02 18:43:54,394 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 368 transitions. Word has length 189 [2023-12-02 18:43:54,396 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:43:54,396 INFO L495 AbstractCegarLoop]: Abstraction has 231 states and 368 transitions. [2023-12-02 18:43:54,396 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2023-12-02 18:43:54,397 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 368 transitions. [2023-12-02 18:43:54,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2023-12-02 18:43:54,402 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:43:54,402 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:43:54,419 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 18:43:54,614 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 18:43:54,807 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 18:43:54,807 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:43:54,808 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:43:54,808 INFO L85 PathProgramCache]: Analyzing trace with hash -2068187660, now seen corresponding path program 1 times [2023-12-02 18:43:54,810 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:43:54,811 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [948149579] [2023-12-02 18:43:54,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:54,811 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 18:43:54,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:43:54,812 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 18:43:54,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 (4)] Waiting until timeout for monitored process [2023-12-02 18:43:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:43:55,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 18:43:55,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:43:56,396 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 519 proven. 72 refuted. 0 times theorem prover too weak. 1149 trivial. 0 not checked. [2023-12-02 18:43:56,396 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:43:56,985 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 18:43:56,986 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:43:56,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [948149579] [2023-12-02 18:43:56,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [948149579] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:43:56,987 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2138201738] [2023-12-02 18:43:56,987 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:43:56,987 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:43:56,987 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:43:56,989 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:43:56,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 18:43:58,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:43:58,445 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 18:43:58,450 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:00,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 545 proven. 138 refuted. 0 times theorem prover too weak. 1057 trivial. 0 not checked. [2023-12-02 18:44:00,366 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:00,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 15 proven. 72 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 18:44:00,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2138201738] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:00,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [330626570] [2023-12-02 18:44:00,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:00,940 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 18:44:00,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 18:44:00,942 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 18:44:00,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 18:44:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:01,400 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 18:44:01,404 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:02,310 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 663 proven. 24 refuted. 0 times theorem prover too weak. 1053 trivial. 0 not checked. [2023-12-02 18:44:02,310 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:02,864 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [330626570] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 18:44:02,864 INFO L185 FreeRefinementEngine]: Found 0 perfect and 5 imperfect interpolant sequences. [2023-12-02 18:44:02,865 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 9, 6, 9] total 16 [2023-12-02 18:44:02,865 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264742810] [2023-12-02 18:44:02,865 INFO L85 oduleStraightlineAll]: Using 5 imperfect interpolants to construct interpolant automaton [2023-12-02 18:44:02,868 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-12-02 18:44:02,868 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 18:44:02,870 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-12-02 18:44:02,871 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-12-02 18:44:02,871 INFO L87 Difference]: Start difference. First operand 231 states and 368 transitions. Second operand has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 5 states have call successors, (101), 5 states have call predecessors, (101), 9 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2023-12-02 18:44:08,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:10,981 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:12,986 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:14,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:16,997 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:19,000 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:21,003 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:23,005 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:25,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:27,013 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:29,015 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:31,028 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:33,038 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:35,044 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:37,049 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:39,052 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 18:44:41,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 18:44:41,083 INFO L93 Difference]: Finished difference Result 676 states and 1021 transitions. [2023-12-02 18:44:41,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2023-12-02 18:44:41,084 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 5 states have call successors, (101), 5 states have call predecessors, (101), 9 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) Word has length 189 [2023-12-02 18:44:41,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 18:44:41,089 INFO L225 Difference]: With dead ends: 676 [2023-12-02 18:44:41,089 INFO L226 Difference]: Without dead ends: 446 [2023-12-02 18:44:41,091 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1019 GetRequests, 965 SyntacticMatches, 2 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 762 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=653, Invalid=2209, Unknown=0, NotChecked=0, Total=2862 [2023-12-02 18:44:41,092 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 393 mSDsluCounter, 418 mSDsCounter, 0 mSdLazyCounter, 665 mSolverCounterSat, 239 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 35.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 394 SdHoareTripleChecker+Valid, 511 SdHoareTripleChecker+Invalid, 920 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 239 IncrementalHoareTripleChecker+Valid, 665 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 36.3s IncrementalHoareTripleChecker+Time [2023-12-02 18:44:41,092 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [394 Valid, 511 Invalid, 920 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [239 Valid, 665 Invalid, 16 Unknown, 0 Unchecked, 36.3s Time] [2023-12-02 18:44:41,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 446 states. [2023-12-02 18:44:41,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 446 to 238. [2023-12-02 18:44:41,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 161 states have (on average 1.3043478260869565) internal successors, (210), 162 states have internal predecessors, (210), 65 states have call successors, (65), 11 states have call predecessors, (65), 11 states have return successors, (65), 64 states have call predecessors, (65), 65 states have call successors, (65) [2023-12-02 18:44:41,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 340 transitions. [2023-12-02 18:44:41,153 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 340 transitions. Word has length 189 [2023-12-02 18:44:41,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 18:44:41,154 INFO L495 AbstractCegarLoop]: Abstraction has 238 states and 340 transitions. [2023-12-02 18:44:41,154 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 7.125) internal successors, (114), 16 states have internal predecessors, (114), 5 states have call successors, (101), 5 states have call predecessors, (101), 9 states have return successors, (104), 5 states have call predecessors, (104), 5 states have call successors, (104) [2023-12-02 18:44:41,154 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 340 transitions. [2023-12-02 18:44:41,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-12-02 18:44:41,158 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 18:44:41,158 INFO L195 NwaCegarLoop]: trace histogram [30, 30, 30, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 18:44:41,169 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 18:44:41,386 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 18:44:41,572 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 (4)] Ended with exit code 0 [2023-12-02 18:44:41,762 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 18:44:41,762 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 18:44:41,763 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 18:44:41,763 INFO L85 PathProgramCache]: Analyzing trace with hash -1787636369, now seen corresponding path program 1 times [2023-12-02 18:44:41,763 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 18:44:41,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536586733] [2023-12-02 18:44:41,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:41,763 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 18:44:41,763 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 18:44:41,764 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 18:44:41,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/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 (7)] Waiting until timeout for monitored process [2023-12-02 18:44:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:42,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 18:44:42,287 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:44:46,016 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 884 refuted. 0 times theorem prover too weak. 820 trivial. 0 not checked. [2023-12-02 18:44:46,017 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 18:44:46,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 36 proven. 51 refuted. 0 times theorem prover too weak. 1653 trivial. 0 not checked. [2023-12-02 18:44:46,662 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 18:44:46,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536586733] [2023-12-02 18:44:46,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536586733] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 18:44:46,663 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [260704663] [2023-12-02 18:44:46,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 18:44:46,663 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 18:44:46,663 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 18:44:46,664 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 18:44:46,665 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_afead454-db3f-4743-9211-132324629090/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 18:44:48,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 18:44:48,043 INFO L262 TraceCheckSpWp]: Trace formula consists of 316 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 18:44:48,049 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 18:45:14,872 INFO L134 CoverageAnalysis]: Checked inductivity of 1740 backedges. 1185 proven. 108 refuted. 0 times theorem prover too weak. 447 trivial. 0 not checked. [2023-12-02 18:45:14,872 INFO L327 TraceCheckSpWp]: Computing backward predicates...