./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 dba54f3464e88b90946abdccde2d7a055f54d4b2bf456cd41e3bbaa9f8dc4f14 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:13:00,563 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:13:00,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 17:13:00,650 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:13:00,651 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:13:00,672 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:13:00,673 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:13:00,673 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:13:00,674 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:13:00,674 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:13:00,675 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:13:00,675 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:13:00,676 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:13:00,676 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 17:13:00,677 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:13:00,677 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:13:00,678 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 17:13:00,678 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 17:13:00,679 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:13:00,679 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 17:13:00,680 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 17:13:00,682 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 17:13:00,683 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:13:00,683 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:13:00,683 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:13:00,684 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 17:13:00,684 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:13:00,684 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:13:00,684 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:13:00,685 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:13:00,685 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:13:00,685 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:13:00,686 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:13:00,686 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:13:00,686 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:13:00,686 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:13:00,687 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:13:00,687 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:13:00,687 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:13:00,687 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:13:00,687 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:13:00,688 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 17:13:00,688 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 17:13:00,688 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:13:00,688 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:13:00,688 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:13:00,689 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:13:00,689 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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dba54f3464e88b90946abdccde2d7a055f54d4b2bf456cd41e3bbaa9f8dc4f14 [2023-12-02 17:13:00,918 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:13:00,937 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:13:00,940 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:13:00,941 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:13:00,942 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:13:00,943 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i [2023-12-02 17:13:03,624 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:13:03,827 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:13:03,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i [2023-12-02 17:13:03,839 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data/f99e04e41/a5035678ced948bbb27ead8a720816f4/FLAG6d4444952 [2023-12-02 17:13:03,853 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data/f99e04e41/a5035678ced948bbb27ead8a720816f4 [2023-12-02 17:13:03,855 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:13:03,856 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:13:03,857 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:13:03,857 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:13:03,862 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:13:03,863 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:03" (1/1) ... [2023-12-02 17:13:03,864 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@169a980c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:03, skipping insertion in model container [2023-12-02 17:13:03,864 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:03" (1/1) ... [2023-12-02 17:13:03,901 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:13:04,021 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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i[919,932] [2023-12-02 17:13:04,098 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:13:04,111 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:13:04,121 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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i[919,932] [2023-12-02 17:13:04,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:13:04,192 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:13:04,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04 WrapperNode [2023-12-02 17:13:04,193 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:13:04,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:13:04,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:13:04,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:13:04,206 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,221 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,281 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 220 [2023-12-02 17:13:04,281 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:13:04,282 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:13:04,282 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:13:04,282 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:13:04,291 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,291 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,314 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,318 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,322 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,325 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,332 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:13:04,333 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:13:04,333 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:13:04,333 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:13:04,334 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (1/1) ... [2023-12-02 17:13:04,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:13:04,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:13:04,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:13:04,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:13:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:13:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:13:04,397 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:13:04,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 17:13:04,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:13:04,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:13:04,493 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:13:04,495 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:13:04,880 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:13:05,137 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:13:05,137 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:13:05,139 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:05 BoogieIcfgContainer [2023-12-02 17:13:05,139 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:13:05,142 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:13:05,142 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:13:05,145 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:13:05,145 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:13:03" (1/3) ... [2023-12-02 17:13:05,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73398c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:05, skipping insertion in model container [2023-12-02 17:13:05,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:04" (2/3) ... [2023-12-02 17:13:05,146 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73398c12 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:05, skipping insertion in model container [2023-12-02 17:13:05,146 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:05" (3/3) ... [2023-12-02 17:13:05,148 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i [2023-12-02 17:13:05,167 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:13:05,167 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:13:05,216 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:13:05,222 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;@20aba8f9, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:13:05,222 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:13:05,226 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 17:13:05,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-12-02 17:13:05,236 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:13:05,237 INFO L195 NwaCegarLoop]: trace histogram [28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:05,237 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:13:05,241 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:13:05,241 INFO L85 PathProgramCache]: Analyzing trace with hash -1720637002, now seen corresponding path program 1 times [2023-12-02 17:13:05,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 17:13:05,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [832728859] [2023-12-02 17:13:05,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:05,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 17:13:05,413 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 17:13:05,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1645800495] [2023-12-02 17:13:05,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:05,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:13:05,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:13:05,420 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 17:13:05,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 17:13:06,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:13:06,007 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 17:13:06,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 17:13:06,258 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 17:13:06,260 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 17:13:06,262 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 17:13:06,273 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 17:13:06,464 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 17:13:06,469 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 17:13:06,474 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 17:13:06,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 05:13:06 BoogieIcfgContainer [2023-12-02 17:13:06,585 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 17:13:06,585 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 17:13:06,586 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 17:13:06,586 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 17:13:06,586 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:05" (3/4) ... [2023-12-02 17:13:06,588 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 17:13:06,589 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 17:13:06,591 INFO L158 Benchmark]: Toolchain (without parser) took 2733.99ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 142.1MB in the beginning and 147.1MB in the end (delta: -5.0MB). Peak memory consumption was 30.7MB. Max. memory is 16.1GB. [2023-12-02 17:13:06,591 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:13:06,592 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.65ms. Allocated memory is still 176.2MB. Free memory was 142.1MB in the beginning and 145.0MB in the end (delta: -3.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2023-12-02 17:13:06,592 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.88ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 139.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:13:06,593 INFO L158 Benchmark]: Boogie Preprocessor took 49.78ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 136.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 17:13:06,594 INFO L158 Benchmark]: RCFGBuilder took 806.27ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 73.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. [2023-12-02 17:13:06,594 INFO L158 Benchmark]: TraceAbstraction took 1443.20ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 73.7MB in the beginning and 148.1MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:13:06,595 INFO L158 Benchmark]: Witness Printer took 4.20ms. Allocated memory is still 211.8MB. Free memory was 148.1MB in the beginning and 147.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 17:13:06,598 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 117.4MB. Free memory is still 88.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.65ms. Allocated memory is still 176.2MB. Free memory was 142.1MB in the beginning and 145.0MB in the end (delta: -3.0MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.88ms. Allocated memory is still 176.2MB. Free memory was 145.0MB in the beginning and 139.8MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.78ms. Allocated memory is still 176.2MB. Free memory was 139.8MB in the beginning and 136.6MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 806.27ms. Allocated memory is still 176.2MB. Free memory was 136.6MB in the beginning and 73.7MB in the end (delta: 62.9MB). Peak memory consumption was 62.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1443.20ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 73.7MB in the beginning and 148.1MB in the end (delta: -74.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.20ms. Allocated memory is still 211.8MB. Free memory was 148.1MB in the beginning and 147.1MB in the end (delta: 1.0MB). 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 192, overapproximation of shiftRight at line 68, overapproximation of bitwiseOr at line 76, overapproximation of someBinaryArithmeticDOUBLEoperation at line 69, overapproximation of someUnaryDOUBLEoperation at line 115, overapproximation of someBinaryDOUBLEComparisonOperation at line 66. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = 2; [L23] unsigned char var_1_2 = 1; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_7 = 50; [L26] unsigned char var_1_8 = 0; [L27] double var_1_9 = 127.625; [L28] double var_1_10 = 256.8; [L29] double var_1_11 = 0.30000000000000004; [L30] signed long int var_1_12 = -2; [L31] double var_1_13 = 2.475; [L32] double var_1_14 = 25.2; [L33] double var_1_15 = 500.125; [L34] double var_1_16 = 10.75; [L35] double var_1_17 = 255.4; [L36] unsigned char var_1_18 = 1; [L37] unsigned char var_1_19 = 0; [L38] unsigned char var_1_20 = 100; [L39] unsigned char var_1_21 = 128; [L40] unsigned char var_1_22 = 0; [L41] unsigned char var_1_23 = 1; [L42] unsigned char var_1_24 = 8; [L43] unsigned char var_1_25 = 10; [L44] float var_1_26 = 16.8; [L45] unsigned long int var_1_27 = 64; [L46] unsigned long int var_1_28 = 256; [L47] double var_1_32 = 255.5; [L48] signed long int var_1_36 = 4; [L49] double var_1_38 = 63.6; [L50] double var_1_40 = 0.0; [L51] signed short int var_1_42 = 128; [L52] unsigned char var_1_45 = 0; [L53] unsigned char var_1_48 = 0; [L54] float var_1_49 = 256.5; [L55] unsigned long int var_1_50 = 100; [L56] double var_1_51 = 63.5; [L57] unsigned char var_1_52 = 50; [L58] unsigned char last_1_var_1_18 = 1; [L59] unsigned char last_1_var_1_20 = 100; [L196] isInitial = 1 [L197] FCALL initially() [L198] COND TRUE 1 [L199] CALL updateLastVariables() [L188] last_1_var_1_18 = var_1_18 [L189] last_1_var_1_20 = var_1_20 [L199] RET updateLastVariables() [L200] CALL updateVariables() [L140] var_1_2 = __VERIFIER_nondet_uchar() [L141] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L142] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L142] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L145] CALL assume_abort_if_not(var_1_3 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=0, var_1_9=1021/8] [L146] var_1_8 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_9=1021/8] [L148] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=1284/5, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L149] var_1_10 = __VERIFIER_nondet_double() [L150] CALL assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not((var_1_10 >= -922337.2036854765600e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_11=7500000000000001/25000000000000000, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L151] var_1_11 = __VERIFIER_nondet_double() [L152] CALL assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not((var_1_11 >= -922337.2036854765600e+13F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 9223372.036854765600e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_13=99/40, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L153] var_1_13 = __VERIFIER_nondet_double() [L154] CALL assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not((var_1_13 >= 0.0F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854776000e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_14=126/5, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L155] var_1_14 = __VERIFIER_nondet_double() [L156] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_15=4001/8, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L157] var_1_15 = __VERIFIER_nondet_double() [L158] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L158] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_16=43/4, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L159] var_1_16 = __VERIFIER_nondet_double() [L160] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 4611686.018427387900e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_17=1277/5, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L161] var_1_17 = __VERIFIER_nondet_double() [L162] CALL assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_17 >= 0.0F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 4611686.018427387900e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L163] var_1_19 = __VERIFIER_nondet_uchar() [L164] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L165] CALL assume_abort_if_not(var_1_19 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_19 <= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=128, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L166] var_1_21 = __VERIFIER_nondet_uchar() [L167] CALL assume_abort_if_not(var_1_21 >= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_21 >= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L168] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=0, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L169] var_1_22 = __VERIFIER_nondet_uchar() [L170] CALL assume_abort_if_not(var_1_22 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_22 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L171] CALL assume_abort_if_not(var_1_22 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_22 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L172] var_1_23 = __VERIFIER_nondet_uchar() [L173] CALL assume_abort_if_not(var_1_23 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_23 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L174] CALL assume_abort_if_not(var_1_23 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_23 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=8, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L175] var_1_24 = __VERIFIER_nondet_uchar() [L176] CALL assume_abort_if_not(var_1_24 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_24 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L177] CALL assume_abort_if_not(var_1_24 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_24 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=10, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L178] var_1_25 = __VERIFIER_nondet_uchar() [L179] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L180] CALL assume_abort_if_not(var_1_25 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_25 <= 127) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_40=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L181] var_1_40 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_40 >= 4611686.018427382800e+12F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_40 >= 4611686.018427382800e+12F && var_1_40 <= -1.0e-20F) || (var_1_40 <= 9223372.036854765600e+12F && var_1_40 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_42=128, var_1_45=0, var_1_48=0, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L183] var_1_48 = __VERIFIER_nondet_uchar() [L184] CALL assume_abort_if_not(var_1_48 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_48 >= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L185] CALL assume_abort_if_not(var_1_48 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_48 <= 1) VAL [isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_12=-2, var_1_18=1, var_1_19=0, var_1_1=2, var_1_20=100, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=84/5, var_1_27=64, var_1_28=256, var_1_2=1, var_1_32=511/2, var_1_36=4, var_1_38=318/5, var_1_3=0, var_1_42=128, var_1_45=0, var_1_48=1, var_1_49=513/2, var_1_50=100, var_1_51=127/2, var_1_52=50, var_1_7=50, var_1_8=5, var_1_9=1021/8] [L200] RET updateVariables() [L201] CALL step() [L63] COND FALSE !((var_1_21 - var_1_22) <= var_1_25) [L66] var_1_32 = ((((((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16)))) > (var_1_10)) ? (((((var_1_16) < (var_1_16)) ? (var_1_16) : (var_1_16)))) : (var_1_10))) [L67] var_1_36 = (((((var_1_7) > (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) ? (var_1_7) : (((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8)))))) + var_1_7) [L68] EXPR -10 >> var_1_23 [L68] COND TRUE 256 > (-10 >> var_1_23) [L69] var_1_38 = (var_1_16 - (((((var_1_40 - 128.375)) < (var_1_16)) ? ((var_1_40 - 128.375)) : (var_1_16)))) [L73] COND TRUE ! (var_1_17 >= (var_1_16 - var_1_40)) [L74] var_1_42 = (((((var_1_7 - 256)) < (var_1_20)) ? ((var_1_7 - 256)) : (var_1_20))) [L76] EXPR (var_1_8 * var_1_23) | var_1_7 [L76] COND TRUE ((var_1_8 * var_1_23) | var_1_7) <= (var_1_20 + 8u) [L77] COND FALSE !(((((16u) < (var_1_20)) ? (16u) : (var_1_20))) < var_1_23) [L80] var_1_45 = ((var_1_23 != (var_1_20 % var_1_21)) || var_1_48) [L83] COND FALSE !(0.83f > var_1_11) [L88] var_1_49 = var_1_11 [L90] var_1_50 = var_1_7 [L91] var_1_51 = var_1_16 [L92] var_1_52 = var_1_8 [L93] signed long int stepLocal_1 = last_1_var_1_20; [L94] unsigned char stepLocal_0 = last_1_var_1_18; [L95] COND TRUE stepLocal_0 && last_1_var_1_18 [L96] COND FALSE !(((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > stepLocal_1) [L99] var_1_7 = var_1_8 [L104] COND FALSE !(\read(var_1_3)) [L109] var_1_26 = var_1_16 [L110] var_1_27 = 10u [L111] unsigned long int stepLocal_2 = var_1_27; [L112] COND FALSE !(stepLocal_2 != (var_1_8 + var_1_7)) [L115] var_1_9 = ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))) [L117] COND TRUE var_1_8 >= var_1_7 [L118] COND FALSE !(var_1_15 >= var_1_26) [L121] var_1_20 = var_1_24 [L126] COND TRUE \read(var_1_18) [L127] COND FALSE !(! var_1_18) [L130] var_1_1 = (var_1_20 - var_1_20) [L135] COND FALSE !((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) [L201] RET step() [L202] CALL, EXPR property() [L192-L193] return (((((((var_1_18 ? ((! var_1_18) ? (var_1_1 == ((signed short int) (var_1_7 + 5))) : (var_1_1 == ((signed short int) (var_1_20 - var_1_20)))) : (var_1_1 == ((signed short int) var_1_20))) && ((last_1_var_1_18 && last_1_var_1_18) ? ((((((last_1_var_1_20) < ((last_1_var_1_20 * last_1_var_1_20))) ? (last_1_var_1_20) : ((last_1_var_1_20 * last_1_var_1_20)))) > last_1_var_1_20) ? (var_1_7 == ((unsigned char) var_1_8)) : (var_1_7 == ((unsigned char) var_1_8))) : (var_1_7 == ((unsigned char) var_1_8)))) && ((var_1_27 != (var_1_8 + var_1_7)) ? (var_1_9 == ((double) ((((var_1_10) < (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6))))) ? (var_1_10) : (((((var_1_11) < (32.6)) ? (var_1_11) : (32.6)))))))) : (var_1_9 == ((double) ((((var_1_11) < (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10))))) ? (var_1_11) : (((((var_1_10) < 0 ) ? -(var_1_10) : (var_1_10)))))))))) && (((var_1_13 - var_1_14) >= (var_1_15 - (var_1_16 + var_1_17))) ? (var_1_12 == ((signed long int) (var_1_20 + var_1_20))) : 1)) && (var_1_3 ? (var_1_2 ? (var_1_18 == ((unsigned char) (! var_1_19))) : 1) : 1)) && ((var_1_8 >= var_1_7) ? ((var_1_15 >= var_1_26) ? (var_1_20 == ((unsigned char) (var_1_21 - ((((((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) > (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))) ? (((((var_1_22) < (var_1_23)) ? (var_1_22) : (var_1_23)))) : (((((var_1_24) < (var_1_25)) ? (var_1_24) : (var_1_25))))))))) : (var_1_20 == ((unsigned char) var_1_24))) : (var_1_20 == ((unsigned char) var_1_22)))) && (var_1_26 == ((float) var_1_16))) && (var_1_27 == ((unsigned long int) 10u)) ; [L202] RET, EXPR property() [L202] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=4, var_1_12=-2, var_1_16=3, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=3, var_1_27=10, var_1_28=256, var_1_2=1, var_1_32=3, var_1_36=100, var_1_38=0, var_1_3=0, var_1_42=-206, var_1_45=1, var_1_48=1, var_1_49=4, var_1_50=50, var_1_51=3, var_1_52=5, var_1_7=5, var_1_8=5, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=1, last_1_var_1_20=100, var_1_10=0, var_1_11=4, var_1_12=-2, var_1_16=3, var_1_18=1, var_1_19=0, var_1_1=0, var_1_20=0, var_1_21=127, var_1_22=1, var_1_23=10, var_1_24=0, var_1_25=125, var_1_26=3, var_1_27=10, var_1_28=256, var_1_2=1, var_1_32=3, var_1_36=100, var_1_38=0, var_1_3=0, var_1_42=-206, var_1_45=1, var_1_48=1, var_1_49=4, var_1_50=50, var_1_51=3, var_1_52=5, var_1_7=5, var_1_8=5, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 28, 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=55occurred 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, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 106 NumberOfCodeBlocks, 106 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 17:13:06,619 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 dba54f3464e88b90946abdccde2d7a055f54d4b2bf456cd41e3bbaa9f8dc4f14 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 17:13:08,557 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 17:13:08,630 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 17:13:08,635 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 17:13:08,636 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 17:13:08,660 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 17:13:08,660 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 17:13:08,661 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 17:13:08,661 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 17:13:08,662 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 17:13:08,663 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 17:13:08,663 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 17:13:08,664 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 17:13:08,664 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 17:13:08,665 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 17:13:08,665 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 17:13:08,666 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 17:13:08,667 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 17:13:08,667 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 17:13:08,668 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 17:13:08,668 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 17:13:08,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 17:13:08,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 17:13:08,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 17:13:08,670 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 17:13:08,671 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 17:13:08,671 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 17:13:08,672 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 17:13:08,672 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 17:13:08,673 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 17:13:08,673 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 17:13:08,673 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 17:13:08,674 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 17:13:08,674 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 17:13:08,674 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:13:08,675 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 17:13:08,675 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 17:13:08,675 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 17:13:08,675 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 17:13:08,675 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 17:13:08,676 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 17:13:08,676 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 17:13:08,676 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 17:13:08,676 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 17:13:08,677 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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> dba54f3464e88b90946abdccde2d7a055f54d4b2bf456cd41e3bbaa9f8dc4f14 [2023-12-02 17:13:08,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 17:13:08,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 17:13:08,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 17:13:08,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 17:13:08,995 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 17:13:08,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i [2023-12-02 17:13:11,765 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 17:13:11,987 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 17:13:11,988 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i [2023-12-02 17:13:11,999 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data/32942a88a/034da3b483fb439a8580d378d60a8f4f/FLAGd929bd7d9 [2023-12-02 17:13:12,012 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/data/32942a88a/034da3b483fb439a8580d378d60a8f4f [2023-12-02 17:13:12,015 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 17:13:12,017 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 17:13:12,018 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 17:13:12,018 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 17:13:12,024 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 17:13:12,025 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,026 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7b72c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12, skipping insertion in model container [2023-12-02 17:13:12,026 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,064 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 17:13:12,214 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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i[919,932] [2023-12-02 17:13:12,289 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:13:12,307 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 17:13:12,321 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_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i[919,932] [2023-12-02 17:13:12,363 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 17:13:12,382 INFO L206 MainTranslator]: Completed translation [2023-12-02 17:13:12,383 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12 WrapperNode [2023-12-02 17:13:12,383 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 17:13:12,384 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 17:13:12,385 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 17:13:12,385 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 17:13:12,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,408 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,443 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 204 [2023-12-02 17:13:12,443 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 17:13:12,444 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 17:13:12,444 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 17:13:12,444 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 17:13:12,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,455 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,461 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,461 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,476 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,480 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,487 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 17:13:12,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 17:13:12,492 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 17:13:12,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 17:13:12,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (1/1) ... [2023-12-02 17:13:12,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 17:13:12,514 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 17:13:12,527 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 17:13:12,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 17:13:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 17:13:12,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 17:13:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 17:13:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 17:13:12,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 17:13:12,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 17:13:12,674 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 17:13:12,677 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 17:13:20,128 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 17:13:20,167 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 17:13:20,167 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 17:13:20,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:20 BoogieIcfgContainer [2023-12-02 17:13:20,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 17:13:20,171 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 17:13:20,171 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 17:13:20,174 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 17:13:20,174 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 05:13:12" (1/3) ... [2023-12-02 17:13:20,175 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390c5d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:20, skipping insertion in model container [2023-12-02 17:13:20,175 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:13:12" (2/3) ... [2023-12-02 17:13:20,176 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390c5d6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 05:13:20, skipping insertion in model container [2023-12-02 17:13:20,176 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:13:20" (3/3) ... [2023-12-02 17:13:20,177 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_filler-ps-ci_file-79.i [2023-12-02 17:13:20,197 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 17:13:20,197 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 17:13:20,246 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 17:13:20,253 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;@a465a00, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 17:13:20,253 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 17:13:20,258 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 17:13:20,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 17:13:20,275 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:13:20,276 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:20,277 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:13:20,282 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:13:20,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1855797303, now seen corresponding path program 1 times [2023-12-02 17:13:20,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:13:20,296 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1949558501] [2023-12-02 17:13:20,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:20,296 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 17:13:20,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:13:20,299 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:20,312 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:20,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:13:21,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 17:13:21,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:13:21,095 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 702 proven. 0 refuted. 0 times theorem prover too weak. 810 trivial. 0 not checked. [2023-12-02 17:13:21,095 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:13:21,096 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:13:21,096 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1949558501] [2023-12-02 17:13:21,097 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1949558501] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:13:21,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:13:21,098 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 17:13:21,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1820943229] [2023-12-02 17:13:21,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:13:21,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 17:13:21,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:13:21,136 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 17:13:21,136 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:13:21,139 INFO L87 Difference]: Start difference. First operand has 79 states, 48 states have (on average 1.4583333333333333) internal successors, (70), 49 states have internal predecessors, (70), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 17:13:23,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:23,296 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:13:23,296 INFO L93 Difference]: Finished difference Result 155 states and 278 transitions. [2023-12-02 17:13:23,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 17:13:23,329 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) Word has length 177 [2023-12-02 17:13:23,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:13:23,336 INFO L225 Difference]: With dead ends: 155 [2023-12-02 17:13:23,336 INFO L226 Difference]: Without dead ends: 77 [2023-12-02 17:13:23,339 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 17:13:23,343 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 117 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-12-02 17:13:23,344 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 117 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-12-02 17:13:23,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-12-02 17:13:23,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-12-02 17:13:23,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 47 states have internal predecessors, (64), 28 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 17:13:23,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 120 transitions. [2023-12-02 17:13:23,406 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 120 transitions. Word has length 177 [2023-12-02 17:13:23,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:13:23,407 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 120 transitions. [2023-12-02 17:13:23,407 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (28), 2 states have call predecessors, (28), 2 states have return successors, (28), 2 states have call predecessors, (28), 2 states have call successors, (28) [2023-12-02 17:13:23,407 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 120 transitions. [2023-12-02 17:13:23,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2023-12-02 17:13:23,412 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:13:23,412 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:23,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:23,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:23,613 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:13:23,614 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:13:23,614 INFO L85 PathProgramCache]: Analyzing trace with hash -240139353, now seen corresponding path program 1 times [2023-12-02 17:13:23,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:13:23,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [134643758] [2023-12-02 17:13:23,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:23,616 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 17:13:23,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:13:23,617 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:23,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-12-02 17:13:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:13:24,294 INFO L262 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:13:24,303 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:13:25,100 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-02 17:13:25,101 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:13:25,101 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:13:25,101 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [134643758] [2023-12-02 17:13:25,102 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [134643758] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:13:25,102 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:13:25,102 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 17:13:25,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1254686560] [2023-12-02 17:13:25,103 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:13:25,105 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:13:25,105 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:13:25,106 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:13:25,107 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:13:25,107 INFO L87 Difference]: Start difference. First operand 77 states and 120 transitions. Second operand has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 17:13:27,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:30,144 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:30,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:13:30,145 INFO L93 Difference]: Finished difference Result 242 states and 377 transitions. [2023-12-02 17:13:30,174 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:13:30,175 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 177 [2023-12-02 17:13:30,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:13:30,180 INFO L225 Difference]: With dead ends: 242 [2023-12-02 17:13:30,180 INFO L226 Difference]: Without dead ends: 166 [2023-12-02 17:13:30,182 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 173 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:13:30,183 INFO L413 NwaCegarLoop]: 113 mSDtfsCounter, 108 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 59 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 141 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.9s IncrementalHoareTripleChecker+Time [2023-12-02 17:13:30,184 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 396 Invalid, 141 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 80 Invalid, 2 Unknown, 0 Unchecked, 4.9s Time] [2023-12-02 17:13:30,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-12-02 17:13:30,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 151. [2023-12-02 17:13:30,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 92 states have (on average 1.3369565217391304) internal successors, (123), 92 states have internal predecessors, (123), 56 states have call successors, (56), 2 states have call predecessors, (56), 2 states have return successors, (56), 56 states have call predecessors, (56), 56 states have call successors, (56) [2023-12-02 17:13:30,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 235 transitions. [2023-12-02 17:13:30,222 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 235 transitions. Word has length 177 [2023-12-02 17:13:30,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:13:30,224 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 235 transitions. [2023-12-02 17:13:30,224 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.0) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 17:13:30,224 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 235 transitions. [2023-12-02 17:13:30,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 17:13:30,228 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:13:30,229 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:30,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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)] Ended with exit code 0 [2023-12-02 17:13:30,431 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:30,432 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:13:30,432 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:13:30,433 INFO L85 PathProgramCache]: Analyzing trace with hash 998820388, now seen corresponding path program 1 times [2023-12-02 17:13:30,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:13:30,434 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2012457953] [2023-12-02 17:13:30,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:30,434 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 17:13:30,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:13:30,435 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:30,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:31,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:13:31,078 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 17:13:31,085 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:13:31,831 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-02 17:13:31,831 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:13:31,832 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:13:31,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2012457953] [2023-12-02 17:13:31,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2012457953] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:13:31,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:13:31,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 17:13:31,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [657258099] [2023-12-02 17:13:31,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:13:31,834 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 17:13:31,834 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:13:31,835 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 17:13:31,836 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2023-12-02 17:13:31,836 INFO L87 Difference]: Start difference. First operand 151 states and 235 transitions. Second operand has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 17:13:34,671 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:36,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:39,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:39,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:13:39,205 INFO L93 Difference]: Finished difference Result 389 states and 604 transitions. [2023-12-02 17:13:39,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 17:13:39,234 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-12-02 17:13:39,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:13:39,238 INFO L225 Difference]: With dead ends: 389 [2023-12-02 17:13:39,238 INFO L226 Difference]: Without dead ends: 239 [2023-12-02 17:13:39,240 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 180 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-12-02 17:13:39,241 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 96 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 92 mSolverCounterSat, 57 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 7.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 92 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 7.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:13:39,242 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 363 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 92 Invalid, 1 Unknown, 0 Unchecked, 7.3s Time] [2023-12-02 17:13:39,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2023-12-02 17:13:39,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 213. [2023-12-02 17:13:39,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 125 states have (on average 1.296) internal successors, (162), 125 states have internal predecessors, (162), 84 states have call successors, (84), 3 states have call predecessors, (84), 3 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-12-02 17:13:39,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 330 transitions. [2023-12-02 17:13:39,285 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 330 transitions. Word has length 179 [2023-12-02 17:13:39,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:13:39,287 INFO L495 AbstractCegarLoop]: Abstraction has 213 states and 330 transitions. [2023-12-02 17:13:39,287 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 17:13:39,287 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 330 transitions. [2023-12-02 17:13:39,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 17:13:39,291 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:13:39,291 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:39,306 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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)] Forceful destruction successful, exit code 0 [2023-12-02 17:13:39,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:39,496 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:13:39,496 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:13:39,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1699884966, now seen corresponding path program 1 times [2023-12-02 17:13:39,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:13:39,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1346276700] [2023-12-02 17:13:39,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:39,497 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 17:13:39,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:13:39,498 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:39,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 (5)] Waiting until timeout for monitored process [2023-12-02 17:13:40,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:13:40,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 17:13:40,186 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:13:40,223 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1512 trivial. 0 not checked. [2023-12-02 17:13:40,223 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 17:13:40,224 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 17:13:40,224 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1346276700] [2023-12-02 17:13:40,224 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1346276700] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 17:13:40,224 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 17:13:40,224 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 17:13:40,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201765020] [2023-12-02 17:13:40,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 17:13:40,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 17:13:40,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 17:13:40,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 17:13:40,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:13:40,226 INFO L87 Difference]: Start difference. First operand 213 states and 330 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 17:13:42,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 17:13:42,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 17:13:42,581 INFO L93 Difference]: Finished difference Result 371 states and 570 transitions. [2023-12-02 17:13:42,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 17:13:42,582 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) Word has length 179 [2023-12-02 17:13:42,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 17:13:42,585 INFO L225 Difference]: With dead ends: 371 [2023-12-02 17:13:42,585 INFO L226 Difference]: Without dead ends: 221 [2023-12-02 17:13:42,586 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 17:13:42,587 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 31 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 2 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.3s IncrementalHoareTripleChecker+Time [2023-12-02 17:13:42,588 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 210 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 18 Invalid, 1 Unknown, 0 Unchecked, 2.3s Time] [2023-12-02 17:13:42,589 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2023-12-02 17:13:42,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 221. [2023-12-02 17:13:42,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 221 states, 131 states have (on average 1.2671755725190839) internal successors, (166), 131 states have internal predecessors, (166), 84 states have call successors, (84), 5 states have call predecessors, (84), 5 states have return successors, (84), 84 states have call predecessors, (84), 84 states have call successors, (84) [2023-12-02 17:13:42,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 334 transitions. [2023-12-02 17:13:42,623 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 334 transitions. Word has length 179 [2023-12-02 17:13:42,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 17:13:42,624 INFO L495 AbstractCegarLoop]: Abstraction has 221 states and 334 transitions. [2023-12-02 17:13:42,624 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (28), 1 states have call predecessors, (28), 1 states have return successors, (28), 1 states have call predecessors, (28), 1 states have call successors, (28) [2023-12-02 17:13:42,624 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 334 transitions. [2023-12-02 17:13:42,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 17:13:42,627 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 17:13:42,627 INFO L195 NwaCegarLoop]: trace histogram [28, 28, 28, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 17:13:42,645 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 (5)] Forceful destruction successful, exit code 0 [2023-12-02 17:13:42,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:42,828 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 17:13:42,829 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 17:13:42,829 INFO L85 PathProgramCache]: Analyzing trace with hash -1970641827, now seen corresponding path program 1 times [2023-12-02 17:13:42,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 17:13:42,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1319905441] [2023-12-02 17:13:42,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 17:13:42,829 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 17:13:42,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 17:13:42,830 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 17:13:42,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b31e2a9-06c0-47ed-8bd3-97730ad67a00/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 (6)] Waiting until timeout for monitored process [2023-12-02 17:13:43,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 17:13:43,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 30 conjunts are in the unsatisfiable core [2023-12-02 17:13:43,512 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 17:15:09,665 WARN L293 SmtUtils]: Spent 6.53s on a formula simplification that was a NOOP. DAG size: 84 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:15:53,963 WARN L293 SmtUtils]: Spent 8.63s on a formula simplification that was a NOOP. DAG size: 90 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 17:16:27,470 WARN L293 SmtUtils]: Spent 8.85s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)