./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:22:22,726 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:22:22,790 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:22:22,794 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:22:22,795 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:22:22,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:22:22,820 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:22:22,820 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:22:22,821 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:22:22,821 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:22:22,822 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:22:22,822 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:22:22,823 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:22:22,823 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:22:22,824 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:22:22,824 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:22:22,825 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:22:22,825 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:22:22,826 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:22:22,826 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:22:22,827 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:22:22,827 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:22:22,828 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:22:22,828 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:22:22,829 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:22:22,829 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:22:22,830 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:22:22,830 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:22:22,830 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:22:22,831 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:22:22,831 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:22:22,832 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:22:22,832 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:22:22,832 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:22:22,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:22:22,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:22:22,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:22:22,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:22:22,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:22:22,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:22:22,834 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:22:22,835 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:22:22,835 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:22:22,835 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:22:22,835 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:22:22,835 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:22:22,836 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:22:22,836 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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 [2023-12-02 12:22:23,053 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:22:23,073 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:22:23,076 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:22:23,077 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:22:23,078 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:22:23,079 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-12-02 12:22:25,896 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:22:26,075 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:22:26,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-12-02 12:22:26,085 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data/cfd55914c/139185b6e4934ee9af75943317558d21/FLAG20f13f35c [2023-12-02 12:22:26,099 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data/cfd55914c/139185b6e4934ee9af75943317558d21 [2023-12-02 12:22:26,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:22:26,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:22:26,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:22:26,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:22:26,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:22:26,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,110 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b1a6af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26, skipping insertion in model container [2023-12-02 12:22:26,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:22:26,263 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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-12-02 12:22:26,346 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:22:26,359 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:22:26,369 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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-12-02 12:22:26,414 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:22:26,429 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:22:26,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26 WrapperNode [2023-12-02 12:22:26,429 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:22:26,430 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:22:26,430 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:22:26,430 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:22:26,435 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,449 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,496 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 327 [2023-12-02 12:22:26,497 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:22:26,497 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:22:26,498 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:22:26,498 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:22:26,507 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,512 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,513 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,530 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,535 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,541 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,545 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,553 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:22:26,554 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:22:26,554 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:22:26,554 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:22:26,555 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (1/1) ... [2023-12-02 12:22:26,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:22:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:22:26,583 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:22:26,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:22:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:22:26,624 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:22:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:22:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:22:26,625 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:22:26,625 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:22:26,749 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:22:26,751 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:22:27,258 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:22:27,690 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:22:27,690 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:22:27,692 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:27 BoogieIcfgContainer [2023-12-02 12:22:27,692 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:22:27,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:22:27,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:22:27,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:22:27,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:22:26" (1/3) ... [2023-12-02 12:22:27,697 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63940e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:27, skipping insertion in model container [2023-12-02 12:22:27,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:26" (2/3) ... [2023-12-02 12:22:27,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63940e57 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:27, skipping insertion in model container [2023-12-02 12:22:27,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:27" (3/3) ... [2023-12-02 12:22:27,699 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-12-02 12:22:27,713 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:22:27,714 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:22:27,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:22:27,759 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;@4a089299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:22:27,759 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:22:27,763 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 22 states have (on average 1.1363636363636365) internal successors, (25), 23 states have internal predecessors, (25), 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 12:22:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 12:22:27,774 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:22:27,775 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] [2023-12-02 12:22:27,775 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:22:27,780 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:22:27,780 INFO L85 PathProgramCache]: Analyzing trace with hash -163135346, now seen corresponding path program 1 times [2023-12-02 12:22:27,787 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:22:27,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976978763] [2023-12-02 12:22:27,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:27,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:22:27,955 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:22:27,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1487517388] [2023-12-02 12:22:27,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:27,957 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:22:27,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:22:27,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:22:27,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:22:28,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:22:28,490 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:22:28,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:22:28,802 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:22:28,806 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:22:28,807 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:22:28,821 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 12:22:29,010 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:22:29,015 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:22:29,019 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:22:29,143 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:22:29 BoogieIcfgContainer [2023-12-02 12:22:29,143 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:22:29,144 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:22:29,144 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:22:29,144 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:22:29,145 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:27" (3/4) ... [2023-12-02 12:22:29,147 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:22:29,148 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:22:29,150 INFO L158 Benchmark]: Toolchain (without parser) took 3045.99ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 78.5MB in the beginning and 95.2MB in the end (delta: -16.7MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2023-12-02 12:22:29,150 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:22:29,151 INFO L158 Benchmark]: CACSL2BoogieTranslator took 324.49ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 61.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:22:29,152 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.97ms. Allocated memory is still 125.8MB. Free memory was 61.3MB in the beginning and 55.7MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:22:29,152 INFO L158 Benchmark]: Boogie Preprocessor took 55.67ms. Allocated memory is still 125.8MB. Free memory was 55.7MB in the beginning and 52.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:22:29,153 INFO L158 Benchmark]: RCFGBuilder took 1138.10ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 52.4MB in the beginning and 79.7MB in the end (delta: -27.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. [2023-12-02 12:22:29,154 INFO L158 Benchmark]: TraceAbstraction took 1449.20ms. Allocated memory is still 163.6MB. Free memory was 79.7MB in the beginning and 95.2MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:22:29,154 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 163.6MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:22:29,158 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 125.8MB. Free memory is still 96.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 324.49ms. Allocated memory is still 125.8MB. Free memory was 78.1MB in the beginning and 61.3MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.97ms. Allocated memory is still 125.8MB. Free memory was 61.3MB in the beginning and 55.7MB in the end (delta: 5.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.67ms. Allocated memory is still 125.8MB. Free memory was 55.7MB in the beginning and 52.4MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1138.10ms. Allocated memory was 125.8MB in the beginning and 163.6MB in the end (delta: 37.7MB). Free memory was 52.4MB in the beginning and 79.7MB in the end (delta: -27.3MB). Peak memory consumption was 29.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1449.20ms. Allocated memory is still 163.6MB. Free memory was 79.7MB in the beginning and 95.2MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 163.6MB. Free memory is still 95.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of shiftRight at line 107, overapproximation of someBinaryArithmeticDOUBLEoperation at line 101, overapproximation of someBinaryFLOATComparisonOperation at line 66, overapproximation of bitwiseOr at line 69, overapproximation of someUnaryDOUBLEoperation at line 22, overapproximation of bitwiseAnd at line 75, overapproximation of someBinaryDOUBLEComparisonOperation at line 202, overapproximation of someBinaryArithmeticFLOAToperation at line 99. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] float var_1_1 = -0.5; [L23] unsigned char var_1_2 = 0; [L24] float var_1_4 = 32.5; [L25] float var_1_5 = 10.25; [L26] float var_1_6 = 15.2; [L27] unsigned short int var_1_7 = 1; [L28] unsigned short int var_1_10 = 1; [L29] signed short int var_1_12 = 8; [L30] signed short int var_1_13 = -16; [L31] unsigned long int var_1_16 = 0; [L32] unsigned long int var_1_17 = 1790089366; [L33] unsigned long int var_1_18 = 1816612959; [L34] unsigned long int var_1_19 = 2; [L35] unsigned char var_1_20 = 32; [L36] unsigned char var_1_21 = 32; [L37] unsigned short int var_1_22 = 256; [L38] unsigned short int var_1_23 = 21380; [L39] signed char var_1_25 = 8; [L40] signed char var_1_26 = 0; [L41] signed char var_1_27 = 32; [L42] signed char var_1_28 = 32; [L43] double var_1_29 = 99999999.2; [L44] double var_1_31 = 64.25; [L45] double var_1_32 = 100.6; [L46] unsigned char var_1_33 = 0; [L47] unsigned char var_1_34 = 0; [L48] unsigned short int var_1_35 = 4; [L49] unsigned long int last_1_var_1_16 = 0; [L50] unsigned long int last_1_var_1_19 = 2; [L51] unsigned char last_1_var_1_20 = 32; [L52] signed char last_1_var_1_25 = 8; [L53] unsigned char last_1_var_1_33 = 0; [L206] isInitial = 1 [L207] FCALL initially() [L208] int k_loop; [L209] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=0, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L209] COND TRUE k_loop < 1 [L210] CALL updateLastVariables() [L195] last_1_var_1_16 = var_1_16 [L196] last_1_var_1_19 = var_1_19 [L197] last_1_var_1_20 = var_1_20 [L198] last_1_var_1_25 = var_1_25 [L199] last_1_var_1_33 = var_1_33 [L210] RET updateLastVariables() [L211] CALL updateVariables() [L149] var_1_2 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L151] CALL assume_abort_if_not(var_1_2 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_2 <= 1) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_4=65/2, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L152] var_1_4 = __VERIFIER_nondet_float() [L153] CALL assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_4 >= 0.0F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_5=41/4, var_1_6=76/5, var_1_7=1] [L154] var_1_5 = __VERIFIER_nondet_float() [L155] CALL assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_6=76/5, var_1_7=1] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_5 >= 0.0F && var_1_5 <= -1.0e-20F) || (var_1_5 <= 9223372.036854765600e+12F && var_1_5 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_6=76/5, var_1_7=1] [L156] var_1_6 = __VERIFIER_nondet_float() [L157] CALL assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_6 >= 0.0F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 9223372.036854765600e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=1, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L158] var_1_10 = __VERIFIER_nondet_ushort() [L159] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L160] CALL assume_abort_if_not(var_1_10 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_10 <= 32767) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=8, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L161] var_1_12 = __VERIFIER_nondet_short() [L162] CALL assume_abort_if_not(var_1_12 >= -32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_12 >= -32768) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L163] CALL assume_abort_if_not(var_1_12 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_12 <= 32767) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L164] CALL assume_abort_if_not(var_1_12 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not(var_1_12 != 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1790089366, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L165] var_1_17 = __VERIFIER_nondet_ulong() [L166] CALL assume_abort_if_not(var_1_17 >= 1610612735) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_17 >= 1610612735) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L167] CALL assume_abort_if_not(var_1_17 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_17 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1816612959, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L168] var_1_18 = __VERIFIER_nondet_ulong() [L169] CALL assume_abort_if_not(var_1_18 >= 1610612735) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_18 >= 1610612735) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L170] CALL assume_abort_if_not(var_1_18 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_18 <= 2147483647) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L171] var_1_21 = __VERIFIER_nondet_uchar() [L172] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L173] CALL assume_abort_if_not(var_1_21 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 <= 254) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=21380, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L174] var_1_23 = __VERIFIER_nondet_ushort() [L175] CALL assume_abort_if_not(var_1_23 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_23 >= 16383) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L176] CALL assume_abort_if_not(var_1_23 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_23 <= 32767) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=0, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L177] var_1_26 = __VERIFIER_nondet_char() [L178] CALL assume_abort_if_not(var_1_26 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not(var_1_26 >= -63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L179] CALL assume_abort_if_not(var_1_26 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_26 <= 63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=32, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L180] var_1_27 = __VERIFIER_nondet_char() [L181] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L181] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L182] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=32, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L183] var_1_28 = __VERIFIER_nondet_char() [L184] CALL assume_abort_if_not(var_1_28 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_28 >= -127) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L185] CALL assume_abort_if_not(var_1_28 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_28 <= 126) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_31=257/4, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L186] var_1_31 = __VERIFIER_nondet_double() [L187] CALL assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not((var_1_31 >= -461168.6018427382800e+13F && var_1_31 <= -1.0e-20F) || (var_1_31 <= 4611686.018427382800e+12F && var_1_31 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_32=503/5, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L188] var_1_32 = __VERIFIER_nondet_double() [L189] CALL assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not((var_1_32 >= -461168.6018427382800e+13F && var_1_32 <= -1.0e-20F) || (var_1_32 <= 4611686.018427382800e+12F && var_1_32 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L190] var_1_34 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_34 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_34 >= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_35=4, var_1_7=1] [L192] CALL assume_abort_if_not(var_1_34 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_34 <= 0) VAL [isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=-16, var_1_16=0, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_20=32, var_1_21=100, var_1_22=256, var_1_23=32767, var_1_25=8, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=499999996/5, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=4, var_1_7=1] [L211] RET updateVariables() [L212] CALL step() [L57] COND FALSE !(\read(last_1_var_1_33)) [L66] COND TRUE var_1_6 == (- (99.4f * var_1_4)) [L67] var_1_25 = (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))) [L75] EXPR var_1_10 & last_1_var_1_25 [L75] unsigned long int stepLocal_3 = last_1_var_1_16 * (var_1_10 & last_1_var_1_25); [L76] COND FALSE !(\read(last_1_var_1_33)) [L85] var_1_20 = 100 [L87] signed char stepLocal_2 = var_1_25; [L88] unsigned short int stepLocal_1 = var_1_7; [L89] COND TRUE stepLocal_2 <= last_1_var_1_16 [L90] var_1_16 = ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20) [L96] unsigned long int stepLocal_5 = var_1_16; [L97] COND FALSE !(var_1_18 >= stepLocal_5) [L104] var_1_29 = var_1_6 [L106] var_1_35 = var_1_7 [L107] EXPR var_1_20 >> var_1_12 [L107] EXPR ((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12)) [L107] EXPR var_1_20 >> var_1_12 [L107] EXPR ((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12)) [L107] COND TRUE (var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12)))) [L108] var_1_13 = 8 [L112] COND FALSE !(var_1_13 >= var_1_18) [L115] signed short int stepLocal_6 = var_1_13; [L116] EXPR var_1_20 ^ var_1_23 [L116] COND FALSE !((var_1_20 ^ var_1_23) > stepLocal_6) [L121] COND TRUE \read(var_1_2) [L122] var_1_33 = 0 [L127] unsigned long int stepLocal_0 = var_1_19; [L128] COND FALSE !(\read(var_1_33)) [L135] var_1_1 = var_1_6 [L137] unsigned char stepLocal_4 = var_1_20; [L138] COND FALSE !(stepLocal_4 < var_1_20) [L141] COND FALSE !(\read(var_1_33)) [L144] var_1_22 = 2 [L212] RET step() [L213] CALL, EXPR property() [L202] EXPR ((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((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 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25)))))) [L202] EXPR (((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((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 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100))) [L202] EXPR (((((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((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 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100)))) && ((var_1_20 < var_1_20) ? (var_1_22 == ((unsigned short int) ((((((var_1_16 + 16) + (var_1_23 - var_1_21))) < (var_1_20)) ? (((var_1_16 + 16) + (var_1_23 - var_1_21))) : (var_1_20))))) : (var_1_33 ? (var_1_22 == ((unsigned short int) var_1_20)) : (var_1_22 == ((unsigned short int) 2))))) && ((var_1_6 == (- (99.4f * var_1_4))) ? (var_1_25 == ((signed char) (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))))) : (((last_1_var_1_20 ^ last_1_var_1_19) < last_1_var_1_20) ? (var_1_25 == ((signed char) var_1_27)) : (var_1_25 == ((signed char) var_1_26)))) [L202] EXPR (((((((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((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 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100)))) && ((var_1_20 < var_1_20) ? (var_1_22 == ((unsigned short int) ((((((var_1_16 + 16) + (var_1_23 - var_1_21))) < (var_1_20)) ? (((var_1_16 + 16) + (var_1_23 - var_1_21))) : (var_1_20))))) : (var_1_33 ? (var_1_22 == ((unsigned short int) var_1_20)) : (var_1_22 == ((unsigned short int) 2))))) && ((var_1_6 == (- (99.4f * var_1_4))) ? (var_1_25 == ((signed char) (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))))) : (((last_1_var_1_20 ^ last_1_var_1_19) < last_1_var_1_20) ? (var_1_25 == ((signed char) var_1_27)) : (var_1_25 == ((signed char) var_1_26))))) && ((var_1_18 >= var_1_16) ? (((- var_1_6) <= var_1_4) ? (var_1_29 == ((double) ((((var_1_5) > ((var_1_6 - var_1_4))) ? (var_1_5) : ((var_1_6 - var_1_4)))))) : (var_1_29 == ((double) (1.0000000000002E12 + ((((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) > (var_1_32)) ? (((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) : (var_1_32))))))) : (var_1_29 == ((double) var_1_6)))) && (((var_1_20 ^ var_1_23) > var_1_13) ? ((! (var_1_18 == (var_1_20 + var_1_7))) ? (var_1_33 == ((unsigned char) var_1_34)) : 1) : (var_1_2 ? (var_1_33 == ((unsigned char) 0)) : (var_1_33 == ((unsigned char) var_1_34)))) [L202-L203] return ((((((((((var_1_33 ? (((-5 + 64) < var_1_19) ? (var_1_1 == ((float) (((((var_1_4 - var_1_5)) > ((var_1_6 - 5.4f))) ? ((var_1_4 - var_1_5)) : ((var_1_6 - 5.4f)))))) : (var_1_1 == ((float) var_1_6))) : (var_1_1 == ((float) var_1_6))) && (last_1_var_1_33 ? (last_1_var_1_33 ? (var_1_7 == ((unsigned short int) (((((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 + last_1_var_1_25) / var_1_12) <= last_1_var_1_20) ? (var_1_7 == ((unsigned short int) last_1_var_1_20)) : 1)) : 1)) && (((var_1_20 - var_1_20) == ((((var_1_20) < ((var_1_20 >> var_1_12))) ? (var_1_20) : ((var_1_20 >> var_1_12))))) ? (var_1_13 == ((signed short int) 8)) : (var_1_13 == ((signed short int) ((((var_1_25) > (var_1_25)) ? (var_1_25) : (var_1_25))))))) && ((var_1_25 <= last_1_var_1_16) ? (var_1_16 == ((unsigned long int) ((((((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) < 0 ) ? -((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))) : ((((3808567585u) < 0 ) ? -(3808567585u) : (3808567585u))))) - var_1_20))) : ((last_1_var_1_16 == var_1_7) ? (var_1_16 == ((unsigned long int) (((var_1_17 + var_1_18) - last_1_var_1_16) - var_1_20))) : 1))) && ((var_1_13 >= var_1_18) ? (var_1_19 == ((unsigned long int) ((((var_1_17) < (var_1_20)) ? (var_1_17) : (var_1_20))))) : 1)) && (last_1_var_1_33 ? (((last_1_var_1_16 * (var_1_10 & last_1_var_1_25)) > last_1_var_1_20) ? (last_1_var_1_33 ? (var_1_20 == ((unsigned char) var_1_21)) : (var_1_20 == ((unsigned char) var_1_21))) : 1) : (var_1_20 == ((unsigned char) 100)))) && ((var_1_20 < var_1_20) ? (var_1_22 == ((unsigned short int) ((((((var_1_16 + 16) + (var_1_23 - var_1_21))) < (var_1_20)) ? (((var_1_16 + 16) + (var_1_23 - var_1_21))) : (var_1_20))))) : (var_1_33 ? (var_1_22 == ((unsigned short int) var_1_20)) : (var_1_22 == ((unsigned short int) 2))))) && ((var_1_6 == (- (99.4f * var_1_4))) ? (var_1_25 == ((signed char) (((((var_1_26 + var_1_27)) < (var_1_28)) ? ((var_1_26 + var_1_27)) : (var_1_28))))) : (((last_1_var_1_20 ^ last_1_var_1_19) < last_1_var_1_20) ? (var_1_25 == ((signed char) var_1_27)) : (var_1_25 == ((signed char) var_1_26))))) && ((var_1_18 >= var_1_16) ? (((- var_1_6) <= var_1_4) ? (var_1_29 == ((double) ((((var_1_5) > ((var_1_6 - var_1_4))) ? (var_1_5) : ((var_1_6 - var_1_4)))))) : (var_1_29 == ((double) (1.0000000000002E12 + ((((((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) > (var_1_32)) ? (((((var_1_31) < 0 ) ? -(var_1_31) : (var_1_31)))) : (var_1_32))))))) : (var_1_29 == ((double) var_1_6)))) && (((var_1_20 ^ var_1_23) > var_1_13) ? ((! (var_1_18 == (var_1_20 + var_1_7))) ? (var_1_33 == ((unsigned char) var_1_34)) : 1) : (var_1_2 ? (var_1_33 == ((unsigned char) 0)) : (var_1_33 == ((unsigned char) var_1_34))))) && (var_1_35 == ((unsigned short int) var_1_7)) ; [L213] RET, EXPR property() [L213] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=8, var_1_16=3808567485, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_1=2, var_1_20=100, var_1_21=100, var_1_22=2, var_1_23=32767, var_1_25=0, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=2, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=1, var_1_5=0, var_1_6=2, var_1_7=1] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_16=0, last_1_var_1_19=2, last_1_var_1_20=32, last_1_var_1_25=8, last_1_var_1_33=0, var_1_10=8, var_1_12=40, var_1_13=8, var_1_16=3808567485, var_1_17=1610612735, var_1_18=1610612735, var_1_19=2, var_1_1=2, var_1_20=100, var_1_21=100, var_1_22=2, var_1_23=32767, var_1_25=0, var_1_26=-63, var_1_27=63, var_1_28=0, var_1_29=2, var_1_2=1, var_1_33=0, var_1_34=0, var_1_35=1, var_1_5=0, var_1_6=2, var_1_7=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 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=53occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 104 NumberOfCodeBlocks, 104 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 12:22:29,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:22:31,397 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:22:31,496 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:22:31,504 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:22:31,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:22:31,542 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:22:31,543 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:22:31,544 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:22:31,545 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:22:31,545 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:22:31,546 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:22:31,547 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:22:31,548 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:22:31,548 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:22:31,549 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:22:31,550 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:22:31,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:22:31,551 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:22:31,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:22:31,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:22:31,553 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:22:31,554 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:22:31,555 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:22:31,555 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:22:31,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:22:31,557 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:22:31,557 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:22:31,558 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:22:31,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:22:31,559 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:22:31,559 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:22:31,560 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:22:31,560 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:22:31,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:22:31,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:22:31,561 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:22:31,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:22:31,562 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:22:31,562 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:22:31,562 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:22:31,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:22:31,563 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:22:31,563 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:22:31,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:22:31,564 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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 161bb7a2aeb8f0e9fdffca01ff4293552e60c655d94a257edfbbb7105096b1f1 [2023-12-02 12:22:31,950 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:22:31,972 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:22:31,974 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:22:31,975 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:22:31,976 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:22:31,977 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-12-02 12:22:34,937 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:22:35,155 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:22:35,156 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-12-02 12:22:35,166 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data/c615270d5/46f90b32ef864f13a96afab4709da5e5/FLAG6f6a157a4 [2023-12-02 12:22:35,180 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/data/c615270d5/46f90b32ef864f13a96afab4709da5e5 [2023-12-02 12:22:35,182 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:22:35,184 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:22:35,185 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:22:35,185 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:22:35,190 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:22:35,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@93c43b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35, skipping insertion in model container [2023-12-02 12:22:35,192 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,226 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:22:35,347 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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-12-02 12:22:35,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:22:35,442 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:22:35,455 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_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-36.i[916,929] [2023-12-02 12:22:35,498 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:22:35,518 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:22:35,518 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35 WrapperNode [2023-12-02 12:22:35,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:22:35,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:22:35,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:22:35,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:22:35,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,543 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,575 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 206 [2023-12-02 12:22:35,576 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:22:35,576 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:22:35,577 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:22:35,577 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:22:35,586 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,587 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,593 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,593 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,609 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,614 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,618 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,621 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,628 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:22:35,629 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:22:35,629 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:22:35,629 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:22:35,630 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (1/1) ... [2023-12-02 12:22:35,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:22:35,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:22:35,667 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:22:35,673 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:22:35,703 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:22:35,704 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:22:35,704 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:22:35,794 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:22:35,796 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:22:39,327 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:22:39,376 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:22:39,376 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:22:39,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:39 BoogieIcfgContainer [2023-12-02 12:22:39,377 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:22:39,380 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:22:39,380 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:22:39,383 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:22:39,383 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:22:35" (1/3) ... [2023-12-02 12:22:39,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fbd475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:39, skipping insertion in model container [2023-12-02 12:22:39,384 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:22:35" (2/3) ... [2023-12-02 12:22:39,384 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56fbd475 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:22:39, skipping insertion in model container [2023-12-02 12:22:39,385 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:22:39" (3/3) ... [2023-12-02 12:22:39,386 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-36.i [2023-12-02 12:22:39,401 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:22:39,402 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:22:39,443 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:22:39,449 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;@4e801c71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:22:39,449 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:22:39,453 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 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 12:22:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 12:22:39,468 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:22:39,469 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 12:22:39,470 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:22:39,474 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:22:39,474 INFO L85 PathProgramCache]: Analyzing trace with hash 1745475884, now seen corresponding path program 1 times [2023-12-02 12:22:39,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:22:39,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1172747518] [2023-12-02 12:22:39,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:39,487 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 12:22:39,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:22:39,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:39,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:40,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:22:40,075 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:22:40,091 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:22:40,176 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 758 proven. 0 refuted. 0 times theorem prover too weak. 754 trivial. 0 not checked. [2023-12-02 12:22:40,176 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:22:40,177 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:22:40,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1172747518] [2023-12-02 12:22:40,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1172747518] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:22:40,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:22:40,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:22:40,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098024732] [2023-12-02 12:22:40,181 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:22:40,186 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:22:40,187 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:22:40,216 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:22:40,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:22:40,220 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.4814814814814814) internal successors, (80), 55 states have internal predecessors, (80), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 12:22:42,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:22:42,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:22:42,463 INFO L93 Difference]: Finished difference Result 169 states and 299 transitions. [2023-12-02 12:22:42,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:22:42,467 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 179 [2023-12-02 12:22:42,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:22:42,478 INFO L225 Difference]: With dead ends: 169 [2023-12-02 12:22:42,478 INFO L226 Difference]: Without dead ends: 83 [2023-12-02 12:22:42,482 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 178 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 12:22:42,486 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:22:42,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 128 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.2s Time] [2023-12-02 12:22:42,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-02 12:22:42,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-12-02 12:22:42,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.4150943396226414) internal successors, (75), 53 states have internal predecessors, (75), 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 12:22:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 131 transitions. [2023-12-02 12:22:42,545 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 131 transitions. Word has length 179 [2023-12-02 12:22:42,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:22:42,546 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 131 transitions. [2023-12-02 12:22:42,547 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 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 12:22:42,547 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 131 transitions. [2023-12-02 12:22:42,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2023-12-02 12:22:42,553 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:22:42,554 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 12:22:42,569 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:42,754 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:42,755 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:22:42,756 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:22:42,756 INFO L85 PathProgramCache]: Analyzing trace with hash -57022044, now seen corresponding path program 1 times [2023-12-02 12:22:42,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:22:42,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [810335882] [2023-12-02 12:22:42,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:42,758 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 12:22:42,758 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:22:42,759 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:42,761 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:22:43,257 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:22:43,267 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:22:44,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 12:22:44,454 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:22:45,020 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:22:45,021 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:22:45,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [810335882] [2023-12-02 12:22:45,022 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [810335882] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:22:45,022 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2046688303] [2023-12-02 12:22:45,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:45,023 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:22:45,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:22:45,025 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:22:45,032 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 12:22:46,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:22:46,224 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:22:46,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:22:46,404 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 12:22:46,405 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:22:46,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2046688303] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:22:46,405 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:22:46,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 15 [2023-12-02 12:22:46,407 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2095562558] [2023-12-02 12:22:46,407 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:22:46,408 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:22:46,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:22:46,410 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:22:46,410 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-12-02 12:22:46,411 INFO L87 Difference]: Start difference. First operand 83 states and 131 transitions. Second operand has 4 states, 4 states have (on average 10.5) 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 12:22:48,719 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:22:50,721 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:22:52,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:22:54,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:22:56,363 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.63s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:22:56,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:22:56,765 INFO L93 Difference]: Finished difference Result 247 states and 391 transitions. [2023-12-02 12:22:56,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 12:22:56,766 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) 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 12:22:56,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:22:56,770 INFO L225 Difference]: With dead ends: 247 [2023-12-02 12:22:56,770 INFO L226 Difference]: Without dead ends: 165 [2023-12-02 12:22:56,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 534 GetRequests, 521 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=57, Invalid=153, Unknown=0, NotChecked=0, Total=210 [2023-12-02 12:22:56,773 INFO L413 NwaCegarLoop]: 207 mSDtfsCounter, 113 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 118 mSolverCounterSat, 0 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 460 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 118 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:22:56,773 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 460 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 118 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2023-12-02 12:22:56,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2023-12-02 12:22:56,803 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 162. [2023-12-02 12:22:56,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 103 states have (on average 1.4077669902912622) internal successors, (145), 103 states have internal predecessors, (145), 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 12:22:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 257 transitions. [2023-12-02 12:22:56,807 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 257 transitions. Word has length 179 [2023-12-02 12:22:56,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:22:56,809 INFO L495 AbstractCegarLoop]: Abstraction has 162 states and 257 transitions. [2023-12-02 12:22:56,809 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) 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 12:22:56,809 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 257 transitions. [2023-12-02 12:22:56,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 12:22:56,813 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:22:56,814 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 12:22:56,823 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 12:22:57,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:57,216 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:57,217 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:22:57,217 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:22:57,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1768641348, now seen corresponding path program 1 times [2023-12-02 12:22:57,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:22:57,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1661248101] [2023-12-02 12:22:57,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:57,219 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 12:22:57,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:22:57,220 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:57,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:22:57,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:22:57,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:22:57,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:22:58,678 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 12:22:58,678 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:22:59,162 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:22:59,162 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:22:59,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1661248101] [2023-12-02 12:22:59,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1661248101] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:22:59,163 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [614377783] [2023-12-02 12:22:59,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:22:59,163 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:22:59,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:22:59,165 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:22:59,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 12:22:59,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:22:59,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:22:59,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:22:59,755 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 12:22:59,755 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:22:59,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [614377783] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:22:59,755 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-12-02 12:22:59,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9, 6] total 14 [2023-12-02 12:22:59,756 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40977887] [2023-12-02 12:22:59,756 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:22:59,756 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:22:59,757 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:22:59,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:22:59,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:22:59,758 INFO L87 Difference]: Start difference. First operand 162 states and 257 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 12:23:01,910 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:03,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:05,854 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.94s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:05,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:23:05,924 INFO L93 Difference]: Finished difference Result 482 states and 765 transitions. [2023-12-02 12:23:05,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:23:05,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 180 [2023-12-02 12:23:05,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:23:05,930 INFO L225 Difference]: With dead ends: 482 [2023-12-02 12:23:05,930 INFO L226 Difference]: Without dead ends: 321 [2023-12-02 12:23:05,933 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 537 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=54, Invalid=128, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:23:05,934 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 120 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.1s IncrementalHoareTripleChecker+Time [2023-12-02 12:23:05,935 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 247 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 2 Unknown, 0 Unchecked, 6.1s Time] [2023-12-02 12:23:05,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 321 states. [2023-12-02 12:23:05,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 321 to 317. [2023-12-02 12:23:05,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 317 states, 200 states have (on average 1.38) internal successors, (276), 200 states have internal predecessors, (276), 112 states have call successors, (112), 4 states have call predecessors, (112), 4 states have return successors, (112), 112 states have call predecessors, (112), 112 states have call successors, (112) [2023-12-02 12:23:05,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 317 states and 500 transitions. [2023-12-02 12:23:05,990 INFO L78 Accepts]: Start accepts. Automaton has 317 states and 500 transitions. Word has length 180 [2023-12-02 12:23:05,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:23:05,991 INFO L495 AbstractCegarLoop]: Abstraction has 317 states and 500 transitions. [2023-12-02 12:23:05,991 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 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 12:23:05,992 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 500 transitions. [2023-12-02 12:23:05,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 12:23:05,995 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:23:05,995 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 12:23:06,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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)] Ended with exit code 0 [2023-12-02 12:23:06,203 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-12-02 12:23:06,400 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:23:06,400 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:23:06,401 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:23:06,401 INFO L85 PathProgramCache]: Analyzing trace with hash -1768581766, now seen corresponding path program 1 times [2023-12-02 12:23:06,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:23:06,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [431460735] [2023-12-02 12:23:06,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:23:06,402 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 12:23:06,402 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:23:06,403 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:23:06,404 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-12-02 12:23:06,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:23:06,773 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:23:06,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:23:07,739 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 788 proven. 84 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2023-12-02 12:23:07,739 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:23:08,237 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:23:08,238 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:23:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [431460735] [2023-12-02 12:23:08,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [431460735] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:23:08,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1243749549] [2023-12-02 12:23:08,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:23:08,238 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:23:08,239 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:23:08,240 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:23:08,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 12:23:09,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:23:09,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 12:23:09,457 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:23:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-12-02 12:23:09,892 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:23:10,189 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:23:10,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1243749549] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:23:10,190 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113023921] [2023-12-02 12:23:10,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:23:10,190 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:23:10,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:23:10,191 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:23:10,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 12:23:10,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:23:10,513 INFO L262 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:23:10,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:23:10,918 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 771 proven. 45 refuted. 0 times theorem prover too weak. 696 trivial. 0 not checked. [2023-12-02 12:23:10,918 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:23:11,230 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 36 proven. 45 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:23:11,231 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113023921] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:23:11,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-12-02 12:23:11,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 6, 6, 6, 6, 6] total 14 [2023-12-02 12:23:11,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090161291] [2023-12-02 12:23:11,232 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-12-02 12:23:11,233 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2023-12-02 12:23:11,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:23:11,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2023-12-02 12:23:11,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:23:11,235 INFO L87 Difference]: Start difference. First operand 317 states and 500 transitions. Second operand has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-12-02 12:23:14,881 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:16,886 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:18,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:20,890 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:23:21,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:23:21,955 INFO L93 Difference]: Finished difference Result 985 states and 1477 transitions. [2023-12-02 12:23:21,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2023-12-02 12:23:21,956 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) Word has length 180 [2023-12-02 12:23:21,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:23:21,964 INFO L225 Difference]: With dead ends: 985 [2023-12-02 12:23:21,964 INFO L226 Difference]: Without dead ends: 669 [2023-12-02 12:23:21,967 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 1087 GetRequests, 1063 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 108 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=218, Invalid=432, Unknown=0, NotChecked=0, Total=650 [2023-12-02 12:23:21,968 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 278 mSDsluCounter, 341 mSDsCounter, 0 mSdLazyCounter, 506 mSolverCounterSat, 89 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 302 SdHoareTripleChecker+Valid, 450 SdHoareTripleChecker+Invalid, 599 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 506 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.3s IncrementalHoareTripleChecker+Time [2023-12-02 12:23:21,969 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [302 Valid, 450 Invalid, 599 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 506 Invalid, 4 Unknown, 0 Unchecked, 10.3s Time] [2023-12-02 12:23:21,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 669 states. [2023-12-02 12:23:22,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 669 to 272. [2023-12-02 12:23:22,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 183 states have (on average 1.3005464480874316) internal successors, (238), 185 states have internal predecessors, (238), 80 states have call successors, (80), 8 states have call predecessors, (80), 8 states have return successors, (80), 78 states have call predecessors, (80), 80 states have call successors, (80) [2023-12-02 12:23:22,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 398 transitions. [2023-12-02 12:23:22,023 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 398 transitions. Word has length 180 [2023-12-02 12:23:22,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:23:22,024 INFO L495 AbstractCegarLoop]: Abstraction has 272 states and 398 transitions. [2023-12-02 12:23:22,024 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 7.0) internal successors, (98), 14 states have internal predecessors, (98), 4 states have call successors, (57), 3 states have call predecessors, (57), 6 states have return successors, (59), 4 states have call predecessors, (59), 4 states have call successors, (59) [2023-12-02 12:23:22,024 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 398 transitions. [2023-12-02 12:23:22,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2023-12-02 12:23:22,027 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:23:22,028 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 12:23:22,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-12-02 12:23:22,246 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-12-02 12:23:22,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 12:23:22,628 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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=3,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:23:22,629 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:23:22,629 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:23:22,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1510416328, now seen corresponding path program 1 times [2023-12-02 12:23:22,630 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:23:22,630 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1227388726] [2023-12-02 12:23:22,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:23:22,630 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 12:23:22,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:23:22,631 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 12:23:22,632 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/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 (10)] Waiting until timeout for monitored process [2023-12-02 12:23:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:23:23,008 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 12:23:23,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:23:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 352 proven. 141 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2023-12-02 12:23:28,420 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:23:40,718 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:23:40,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1227388726] [2023-12-02 12:23:40,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1227388726] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:23:40,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [125012412] [2023-12-02 12:23:40,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:23:40,718 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:23:40,719 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:23:40,720 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:23:40,721 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb47d91c-c3d4-48b4-88d8-8b12d5c04405/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 12:23:42,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:23:42,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 12:23:42,342 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:24:57,262 WARN L293 SmtUtils]: Spent 6.02s on a formula simplification that was a NOOP. DAG size: 53 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:25:31,198 WARN L293 SmtUtils]: Spent 6.51s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:26:04,465 WARN L293 SmtUtils]: Spent 8.79s on a formula simplification that was a NOOP. DAG size: 64 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:26:42,471 WARN L293 SmtUtils]: Spent 8.45s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:27:38,776 WARN L293 SmtUtils]: Spent 10.34s on a formula simplification that was a NOOP. DAG size: 74 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:28:33,145 WARN L293 SmtUtils]: Spent 11.93s on a formula simplification that was a NOOP. DAG size: 76 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:29:28,350 WARN L293 SmtUtils]: Spent 9.57s on a formula simplification that was a NOOP. DAG size: 80 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)