./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.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_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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_72a04ac8-400c-471b-9f89-42463344c82d/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 f2ce53af9c66d6bd4e6245b14ec3d2cb70914e6d2b607270695f04fd6258fc72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:48:48,818 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:48:48,882 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 12:48:48,887 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:48:48,887 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:48:48,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:48:48,912 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:48:48,913 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:48:48,914 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:48:48,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:48:48,915 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:48:48,915 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:48:48,916 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:48:48,916 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 12:48:48,917 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:48:48,917 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:48:48,918 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 12:48:48,918 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 12:48:48,918 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:48:48,919 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 12:48:48,920 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 12:48:48,920 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 12:48:48,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:48:48,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:48:48,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:48:48,922 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 12:48:48,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:48:48,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:48:48,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:48:48,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:48:48,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:48:48,925 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:48:48,925 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:48:48,925 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:48:48,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:48:48,926 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:48:48,926 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:48:48,926 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:48:48,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:48:48,927 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:48:48,927 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:48:48,927 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 12:48:48,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 12:48:48,928 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:48:48,928 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:48:48,928 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:48:48,929 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:48:48,929 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_72a04ac8-400c-471b-9f89-42463344c82d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2ce53af9c66d6bd4e6245b14ec3d2cb70914e6d2b607270695f04fd6258fc72 [2023-12-02 12:48:49,146 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:48:49,164 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:48:49,167 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:48:49,168 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:48:49,169 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:48:49,170 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i [2023-12-02 12:48:51,886 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:48:52,083 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:48:52,084 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i [2023-12-02 12:48:52,099 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data/82dd72d3d/c628246aa1614a5c8a59362aecf90392/FLAG66fd72a4c [2023-12-02 12:48:52,111 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data/82dd72d3d/c628246aa1614a5c8a59362aecf90392 [2023-12-02 12:48:52,113 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:48:52,115 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:48:52,116 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:48:52,116 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:48:52,120 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:48:52,121 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,122 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7057aced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52, skipping insertion in model container [2023-12-02 12:48:52,122 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,166 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:48:52,317 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_72a04ac8-400c-471b-9f89-42463344c82d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i[916,929] [2023-12-02 12:48:52,402 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:48:52,416 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:48:52,428 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_72a04ac8-400c-471b-9f89-42463344c82d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i[916,929] [2023-12-02 12:48:52,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:48:52,485 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:48:52,486 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52 WrapperNode [2023-12-02 12:48:52,486 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:48:52,487 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:48:52,487 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:48:52,487 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:48:52,495 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,509 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,553 INFO L138 Inliner]: procedures = 26, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 300 [2023-12-02 12:48:52,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:48:52,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:48:52,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:48:52,554 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:48:52,561 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,562 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,567 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,567 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,586 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,591 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,595 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,599 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,605 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:48:52,606 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:48:52,606 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:48:52,606 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:48:52,607 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (1/1) ... [2023-12-02 12:48:52,612 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:48:52,620 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:48:52,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:48:52,650 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:48:52,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:48:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:48:52,684 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:48:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 12:48:52,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:48:52,685 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:48:52,777 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:48:52,780 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:48:53,240 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:48:53,689 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:48:53,690 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:48:53,691 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:53 BoogieIcfgContainer [2023-12-02 12:48:53,691 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:48:53,694 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:48:53,694 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:48:53,697 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:48:53,697 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:48:52" (1/3) ... [2023-12-02 12:48:53,698 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cea21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:48:53, skipping insertion in model container [2023-12-02 12:48:53,698 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:48:52" (2/3) ... [2023-12-02 12:48:53,699 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79cea21c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:48:53, skipping insertion in model container [2023-12-02 12:48:53,699 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:53" (3/3) ... [2023-12-02 12:48:53,700 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-10.i [2023-12-02 12:48:53,719 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:48:53,719 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:48:53,767 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:48:53,774 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;@7e864bd8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:48:53,774 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:48:53,779 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 12:48:53,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-12-02 12:48:53,791 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:48:53,791 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 12:48:53,792 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:48:53,797 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:48:53,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1028016341, now seen corresponding path program 1 times [2023-12-02 12:48:53,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 12:48:53,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4133879] [2023-12-02 12:48:53,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:48:53,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 12:48:54,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 12:48:54,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1283447531] [2023-12-02 12:48:54,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:48:54,003 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:48:54,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:48:54,008 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:48:54,009 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 12:48:54,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:48:54,382 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 12:48:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 12:48:54,653 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 12:48:54,655 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 12:48:54,657 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 12:48:54,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-12-02 12:48:54,866 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 12:48:54,870 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 12:48:54,874 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 12:48:54,979 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 12:48:54 BoogieIcfgContainer [2023-12-02 12:48:54,979 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 12:48:54,980 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 12:48:54,980 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 12:48:54,980 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 12:48:54,980 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:48:53" (3/4) ... [2023-12-02 12:48:54,982 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 12:48:54,983 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 12:48:54,984 INFO L158 Benchmark]: Toolchain (without parser) took 2869.50ms. Allocated memory is still 151.0MB. Free memory was 110.7MB in the beginning and 69.2MB in the end (delta: 41.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-12-02 12:48:54,985 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:48:54,985 INFO L158 Benchmark]: CACSL2BoogieTranslator took 370.38ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 93.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 12:48:54,986 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.64ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 87.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 12:48:54,987 INFO L158 Benchmark]: Boogie Preprocessor took 51.27ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 83.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 12:48:54,987 INFO L158 Benchmark]: RCFGBuilder took 1085.51ms. Allocated memory is still 151.0MB. Free memory was 83.8MB in the beginning and 66.9MB in the end (delta: 16.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. [2023-12-02 12:48:54,988 INFO L158 Benchmark]: TraceAbstraction took 1285.11ms. Allocated memory is still 151.0MB. Free memory was 66.0MB in the beginning and 69.2MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:48:54,988 INFO L158 Benchmark]: Witness Printer took 3.82ms. Allocated memory is still 151.0MB. Free memory is still 69.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 12:48:54,991 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 104.9MB. Free memory is still 52.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 370.38ms. Allocated memory is still 151.0MB. Free memory was 110.3MB in the beginning and 93.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.64ms. Allocated memory is still 151.0MB. Free memory was 93.5MB in the beginning and 87.2MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.27ms. Allocated memory is still 151.0MB. Free memory was 87.2MB in the beginning and 83.8MB in the end (delta: 3.4MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1085.51ms. Allocated memory is still 151.0MB. Free memory was 83.8MB in the beginning and 66.9MB in the end (delta: 16.9MB). Peak memory consumption was 33.1MB. Max. memory is 16.1GB. * TraceAbstraction took 1285.11ms. Allocated memory is still 151.0MB. Free memory was 66.0MB in the beginning and 69.2MB in the end (delta: -3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.82ms. Allocated memory is still 151.0MB. Free memory is still 69.2MB. 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 someBinaryFLOATComparisonOperation at line 60, overapproximation of bitwiseOr at line 59, overapproximation of someBinaryArithmeticFLOAToperation at line 139. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 0; [L23] unsigned short int var_1_7 = 10000; [L24] unsigned short int var_1_8 = 20453; [L25] signed short int var_1_10 = -5; [L26] unsigned char var_1_12 = 5; [L27] unsigned short int var_1_13 = 63501; [L28] unsigned char var_1_14 = 1; [L29] float var_1_15 = 16.25; [L30] float var_1_16 = 5.13; [L31] float var_1_17 = 99999999.25; [L32] signed char var_1_18 = 0; [L33] signed char var_1_19 = -4; [L34] signed char var_1_20 = 16; [L35] signed char var_1_21 = -100; [L36] float var_1_22 = 31.4; [L37] float var_1_23 = 16.432; [L38] float var_1_24 = 9999.5; [L39] unsigned long int var_1_26 = 100000000; [L40] unsigned short int var_1_27 = 50; [L41] float var_1_28 = 255.5; [L42] unsigned short int var_1_29 = 16; [L43] unsigned short int var_1_30 = 21823; [L44] float var_1_31 = 3.325; [L45] signed long int var_1_33 = 8; [L46] signed short int var_1_35 = -1; [L47] signed short int var_1_36 = 32549; [L48] unsigned char var_1_37 = 1; [L49] unsigned char var_1_38 = 0; [L50] unsigned char var_1_39 = 0; [L51] unsigned char var_1_40 = 128; [L52] unsigned char var_1_41 = 0; [L53] unsigned char last_1_var_1_12 = 5; [L54] unsigned long int last_1_var_1_26 = 100000000; [L55] signed short int last_1_var_1_35 = -1; [L204] isInitial = 1 [L205] FCALL initially() [L206] int k_loop; [L207] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=10000, var_1_8=20453] [L207] COND TRUE k_loop < 1 [L208] CALL updateLastVariables() [L195] last_1_var_1_12 = var_1_12 [L196] last_1_var_1_26 = var_1_26 [L197] last_1_var_1_35 = var_1_35 [L208] RET updateLastVariables() [L209] CALL updateVariables() [L149] var_1_7 = __VERIFIER_nondet_ushort() [L150] CALL assume_abort_if_not(var_1_7 >= 8191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=20453] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_7 >= 8191) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=20453] [L151] CALL assume_abort_if_not(var_1_7 <= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=20453] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_7 <= 16383) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=20453] [L152] var_1_8 = __VERIFIER_nondet_ushort() [L153] CALL assume_abort_if_not(var_1_8 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_8 >= 16383) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L154] CALL assume_abort_if_not(var_1_8 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_8 <= 32767) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=63501, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L155] var_1_13 = __VERIFIER_nondet_ushort() [L156] CALL assume_abort_if_not(var_1_13 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_13 >= 32767) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L157] CALL assume_abort_if_not(var_1_13 <= 65535) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_13 <= 65535) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L158] var_1_14 = __VERIFIER_nondet_uchar() [L159] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L160] CALL assume_abort_if_not(var_1_14 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_14 <= 254) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=513/100, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L161] var_1_16 = __VERIFIER_nondet_float() [L162] CALL assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not((var_1_16 >= -922337.2036854765600e+13F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854765600e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_17=399999997/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L163] var_1_17 = __VERIFIER_nondet_float() [L164] CALL assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L164] RET assume_abort_if_not((var_1_17 >= -922337.2036854765600e+13F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854765600e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-4, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L165] var_1_19 = __VERIFIER_nondet_char() [L166] CALL assume_abort_if_not(var_1_19 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_19 >= -127) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L167] CALL assume_abort_if_not(var_1_19 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L167] RET assume_abort_if_not(var_1_19 <= 126) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=16, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L168] var_1_20 = __VERIFIER_nondet_char() [L169] CALL assume_abort_if_not(var_1_20 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_20 >= -127) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L170] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-100, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L171] var_1_21 = __VERIFIER_nondet_char() [L172] CALL assume_abort_if_not(var_1_21 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_21 >= -127) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L173] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_23=2054/125, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L174] var_1_23 = __VERIFIER_nondet_float() [L175] CALL assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not((var_1_23 >= -461168.6018427382800e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 4611686.018427382800e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_24=19999/2, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L176] var_1_24 = __VERIFIER_nondet_float() [L177] CALL assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not((var_1_24 >= -461168.6018427382800e+13F && var_1_24 <= -1.0e-20F) || (var_1_24 <= 4611686.018427382800e+12F && var_1_24 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_28=511/2, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L178] var_1_28 = __VERIFIER_nondet_float() [L179] CALL assume_abort_if_not((var_1_28 >= -922337.2036854776000e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not((var_1_28 >= -922337.2036854776000e+13F && var_1_28 <= -1.0e-20F) || (var_1_28 <= 9223372.036854776000e+12F && var_1_28 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L180] CALL assume_abort_if_not(var_1_28 != 0.0F) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_28 != 0.0F) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=21823, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L181] var_1_30 = __VERIFIER_nondet_ushort() [L182] CALL assume_abort_if_not(var_1_30 >= 16384) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_30 >= 16384) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L183] CALL assume_abort_if_not(var_1_30 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_30 <= 32767) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=32549, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L184] var_1_36 = __VERIFIER_nondet_short() [L185] CALL assume_abort_if_not(var_1_36 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_36 >= 16383) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L186] CALL assume_abort_if_not(var_1_36 <= 32766) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_36 <= 32766) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L187] var_1_38 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_38 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_38 >= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L189] CALL assume_abort_if_not(var_1_38 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_38 <= 0) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=0, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L190] var_1_39 = __VERIFIER_nondet_uchar() [L191] CALL assume_abort_if_not(var_1_39 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=1, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_39 >= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=1, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L192] CALL assume_abort_if_not(var_1_39 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=1, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_39 <= 1) VAL [isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=-5, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_18=0, var_1_19=-127, var_1_1=0, var_1_20=-127, var_1_21=-127, var_1_22=157/5, var_1_26=100000000, var_1_27=50, var_1_29=16, var_1_30=32767, var_1_31=133/40, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=1, var_1_38=0, var_1_39=1, var_1_40=128, var_1_41=0, var_1_7=8191, var_1_8=32767] [L209] RET updateVariables() [L210] CALL step() [L59] EXPR last_1_var_1_12 | last_1_var_1_35 [L59] signed long int stepLocal_5 = last_1_var_1_12 | last_1_var_1_35; [L60] COND FALSE !(var_1_16 >= (var_1_17 / var_1_28)) [L63] COND TRUE stepLocal_5 < var_1_7 [L64] var_1_27 = last_1_var_1_12 [L67] signed long int stepLocal_2 = 4 + var_1_13; [L68] COND FALSE !((16 / -5) >= stepLocal_2) [L71] var_1_40 = var_1_14 [L72] var_1_10 = (var_1_40 - var_1_40) [L73] unsigned char stepLocal_1 = var_1_40; [L74] COND FALSE !(stepLocal_1 >= 4) [L81] COND FALSE !(var_1_8 <= var_1_40) [L84] unsigned short int stepLocal_4 = var_1_8; [L85] COND TRUE stepLocal_4 >= var_1_40 [L86] var_1_26 = var_1_7 [L88] unsigned long int stepLocal_0 = var_1_26; [L89] COND FALSE !(stepLocal_0 <= 32) [L94] var_1_1 = ((var_1_12 + (var_1_7 - var_1_26)) + (var_1_8 - var_1_12)) [L96] COND FALSE !(var_1_24 < var_1_16) [L99] unsigned short int stepLocal_10 = var_1_8; [L100] COND FALSE !(var_1_15 > (var_1_23 / var_1_28)) [L107] var_1_41 = var_1_38 [L109] signed short int stepLocal_9 = var_1_36; [L110] COND TRUE stepLocal_9 <= var_1_30 [L111] var_1_37 = ((! var_1_41) && var_1_38) [L115] COND FALSE !(\read(var_1_37)) [L118] COND FALSE !(\read(var_1_37)) [L121] var_1_29 = ((((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) + var_1_30) - var_1_40) [L123] unsigned char stepLocal_8 = var_1_37; [L124] unsigned short int stepLocal_7 = var_1_13; [L125] signed long int stepLocal_6 = - var_1_40; [L126] COND TRUE (var_1_40 / var_1_8) <= stepLocal_7 [L127] COND FALSE !(var_1_14 == stepLocal_6) [L132] var_1_31 = var_1_17 [L137] signed long int stepLocal_3 = (var_1_7 * var_1_12) * (var_1_29 * var_1_12); [L138] COND FALSE !(stepLocal_3 == (((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))) + var_1_35)) [L141] COND FALSE !(\read(var_1_41)) [L144] var_1_22 = var_1_24 [L210] RET step() [L211] CALL, EXPR property() [L200] EXPR ((((((((var_1_26 <= 32) ? ((var_1_15 < var_1_15) ? (var_1_1 == ((unsigned short int) (var_1_26 + var_1_12))) : 1) : (var_1_1 == ((unsigned short int) ((var_1_12 + (var_1_7 - var_1_26)) + (var_1_8 - var_1_12))))) && (var_1_10 == ((signed short int) (var_1_40 - var_1_40)))) && ((var_1_40 >= 4) ? ((! ((var_1_13 - var_1_40) <= 64)) ? (var_1_12 == ((unsigned char) var_1_14)) : (var_1_12 == ((unsigned char) var_1_14))) : 1)) && ((var_1_8 <= var_1_40) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1)) && (((16 / -5) >= (4 + var_1_13)) ? (var_1_18 == ((signed char) ((((var_1_19) > (((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))))) ? (var_1_19) : (((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))))) : 1)) && ((((var_1_7 * var_1_12) * (var_1_29 * var_1_12)) == (((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))) + var_1_35)) ? (var_1_22 == ((float) (var_1_23 + var_1_24))) : (var_1_41 ? (var_1_22 == ((float) var_1_17)) : (var_1_22 == ((float) var_1_24))))) && ((var_1_8 >= var_1_40) ? (var_1_26 == ((unsigned long int) var_1_7)) : 1)) && ((var_1_16 >= (var_1_17 / var_1_28)) ? (var_1_27 == ((unsigned short int) (last_1_var_1_26 + var_1_14))) : (((last_1_var_1_12 | last_1_var_1_35) < var_1_7) ? (var_1_27 == ((unsigned short int) last_1_var_1_12)) : 1)) [L200] EXPR (((((((((((((((var_1_26 <= 32) ? ((var_1_15 < var_1_15) ? (var_1_1 == ((unsigned short int) (var_1_26 + var_1_12))) : 1) : (var_1_1 == ((unsigned short int) ((var_1_12 + (var_1_7 - var_1_26)) + (var_1_8 - var_1_12))))) && (var_1_10 == ((signed short int) (var_1_40 - var_1_40)))) && ((var_1_40 >= 4) ? ((! ((var_1_13 - var_1_40) <= 64)) ? (var_1_12 == ((unsigned char) var_1_14)) : (var_1_12 == ((unsigned char) var_1_14))) : 1)) && ((var_1_8 <= var_1_40) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1)) && (((16 / -5) >= (4 + var_1_13)) ? (var_1_18 == ((signed char) ((((var_1_19) > (((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))))) ? (var_1_19) : (((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))))) : 1)) && ((((var_1_7 * var_1_12) * (var_1_29 * var_1_12)) == (((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))) + var_1_35)) ? (var_1_22 == ((float) (var_1_23 + var_1_24))) : (var_1_41 ? (var_1_22 == ((float) var_1_17)) : (var_1_22 == ((float) var_1_24))))) && ((var_1_8 >= var_1_40) ? (var_1_26 == ((unsigned long int) var_1_7)) : 1)) && ((var_1_16 >= (var_1_17 / var_1_28)) ? (var_1_27 == ((unsigned short int) (last_1_var_1_26 + var_1_14))) : (((last_1_var_1_12 | last_1_var_1_35) < var_1_7) ? (var_1_27 == ((unsigned short int) last_1_var_1_12)) : 1))) && (var_1_37 ? (var_1_29 == ((unsigned short int) ((((16) > ((var_1_12 + var_1_7))) ? (16) : ((var_1_12 + var_1_7)))))) : (var_1_29 == ((unsigned short int) ((((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) + var_1_30) - var_1_40))))) && (((var_1_40 / var_1_8) <= var_1_13) ? ((var_1_14 == (- var_1_40)) ? ((var_1_37 || var_1_37) ? (var_1_31 == ((float) var_1_24)) : 1) : (var_1_31 == ((float) var_1_17))) : (var_1_31 == ((float) var_1_16)))) && ((var_1_24 < var_1_16) ? (var_1_33 == ((signed long int) (var_1_30 + ((var_1_1 + var_1_27) - 10)))) : 1)) && (var_1_37 ? (var_1_35 == ((signed short int) (var_1_12 - (var_1_36 - var_1_12)))) : 1)) && ((var_1_36 <= var_1_30) ? (var_1_37 == ((unsigned char) ((! var_1_41) && var_1_38))) : (var_1_37 == ((unsigned char) (var_1_41 || var_1_39))))) && (var_1_40 == ((unsigned char) var_1_14))) && ((var_1_15 > (var_1_23 / var_1_28)) ? (((((((var_1_33 | var_1_14)) > (var_1_36)) ? ((var_1_33 | var_1_14)) : (var_1_36))) <= var_1_8) ? (var_1_41 == ((unsigned char) 0)) : (var_1_41 == ((unsigned char) 0))) : (var_1_41 == ((unsigned char) var_1_38))) [L200-L201] return (((((((((((((((var_1_26 <= 32) ? ((var_1_15 < var_1_15) ? (var_1_1 == ((unsigned short int) (var_1_26 + var_1_12))) : 1) : (var_1_1 == ((unsigned short int) ((var_1_12 + (var_1_7 - var_1_26)) + (var_1_8 - var_1_12))))) && (var_1_10 == ((signed short int) (var_1_40 - var_1_40)))) && ((var_1_40 >= 4) ? ((! ((var_1_13 - var_1_40) <= 64)) ? (var_1_12 == ((unsigned char) var_1_14)) : (var_1_12 == ((unsigned char) var_1_14))) : 1)) && ((var_1_8 <= var_1_40) ? (var_1_15 == ((float) ((((var_1_16) > (var_1_17)) ? (var_1_16) : (var_1_17))))) : 1)) && (((16 / -5) >= (4 + var_1_13)) ? (var_1_18 == ((signed char) ((((var_1_19) > (((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21))))) ? (var_1_19) : (((((var_1_20) > (var_1_21)) ? (var_1_20) : (var_1_21)))))))) : 1)) && ((((var_1_7 * var_1_12) * (var_1_29 * var_1_12)) == (((((var_1_21) > (var_1_20)) ? (var_1_21) : (var_1_20))) + var_1_35)) ? (var_1_22 == ((float) (var_1_23 + var_1_24))) : (var_1_41 ? (var_1_22 == ((float) var_1_17)) : (var_1_22 == ((float) var_1_24))))) && ((var_1_8 >= var_1_40) ? (var_1_26 == ((unsigned long int) var_1_7)) : 1)) && ((var_1_16 >= (var_1_17 / var_1_28)) ? (var_1_27 == ((unsigned short int) (last_1_var_1_26 + var_1_14))) : (((last_1_var_1_12 | last_1_var_1_35) < var_1_7) ? (var_1_27 == ((unsigned short int) last_1_var_1_12)) : 1))) && (var_1_37 ? (var_1_29 == ((unsigned short int) ((((16) > ((var_1_12 + var_1_7))) ? (16) : ((var_1_12 + var_1_7)))))) : (var_1_29 == ((unsigned short int) ((((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))) + var_1_30) - var_1_40))))) && (((var_1_40 / var_1_8) <= var_1_13) ? ((var_1_14 == (- var_1_40)) ? ((var_1_37 || var_1_37) ? (var_1_31 == ((float) var_1_24)) : 1) : (var_1_31 == ((float) var_1_17))) : (var_1_31 == ((float) var_1_16)))) && ((var_1_24 < var_1_16) ? (var_1_33 == ((signed long int) (var_1_30 + ((var_1_1 + var_1_27) - 10)))) : 1)) && (var_1_37 ? (var_1_35 == ((signed short int) (var_1_12 - (var_1_36 - var_1_12)))) : 1)) && ((var_1_36 <= var_1_30) ? (var_1_37 == ((unsigned char) ((! var_1_41) && var_1_38))) : (var_1_37 == ((unsigned char) (var_1_41 || var_1_39))))) && (var_1_40 == ((unsigned char) var_1_14))) && ((var_1_15 > (var_1_23 / var_1_28)) ? (((((((var_1_33 | var_1_14)) > (var_1_36)) ? ((var_1_33 | var_1_14)) : (var_1_36))) <= var_1_8) ? (var_1_41 == ((unsigned char) 0)) : (var_1_41 == ((unsigned char) 0))) : (var_1_41 == ((unsigned char) var_1_38))) ; [L211] RET, EXPR property() [L211] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=0, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=0, var_1_17=2, var_1_18=0, var_1_19=-127, var_1_1=32767, var_1_20=-127, var_1_21=-127, var_1_22=3, var_1_24=3, var_1_26=8191, var_1_27=5, var_1_29=65533, var_1_30=32767, var_1_31=2, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=0, var_1_38=0, var_1_39=1, var_1_40=1, var_1_41=0, var_1_7=8191, var_1_8=32767] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=5, last_1_var_1_26=100000000, last_1_var_1_35=-1, var_1_10=0, var_1_12=5, var_1_13=32767, var_1_14=1, var_1_15=65/4, var_1_16=0, var_1_17=2, var_1_18=0, var_1_19=-127, var_1_1=32767, var_1_20=-127, var_1_21=-127, var_1_22=3, var_1_24=3, var_1_26=8191, var_1_27=5, var_1_29=65533, var_1_30=32767, var_1_31=2, var_1_33=8, var_1_35=-1, var_1_36=16383, var_1_37=0, var_1_38=0, var_1_39=1, var_1_40=1, var_1_41=0, var_1_7=8191, var_1_8=32767] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 53 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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: 0.0s SsaConstructionTime, 0.3s 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 12:48:55,009 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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_72a04ac8-400c-471b-9f89-42463344c82d/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 f2ce53af9c66d6bd4e6245b14ec3d2cb70914e6d2b607270695f04fd6258fc72 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 12:48:56,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 12:48:56,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 12:48:56,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 12:48:56,963 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 12:48:56,989 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 12:48:56,990 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 12:48:56,990 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 12:48:56,991 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 12:48:56,992 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 12:48:56,992 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 12:48:56,993 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 12:48:56,993 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 12:48:56,994 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 12:48:56,994 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 12:48:56,995 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 12:48:56,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 12:48:56,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 12:48:56,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 12:48:56,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 12:48:56,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 12:48:56,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 12:48:56,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 12:48:56,999 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 12:48:57,000 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 12:48:57,000 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 12:48:57,001 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 12:48:57,001 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 12:48:57,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 12:48:57,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 12:48:57,002 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 12:48:57,003 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 12:48:57,003 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 12:48:57,004 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 12:48:57,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:48:57,004 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 12:48:57,004 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 12:48:57,004 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 12:48:57,005 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 12:48:57,005 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 12:48:57,005 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 12:48:57,007 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 12:48:57,008 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 12:48:57,008 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 12:48:57,008 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_72a04ac8-400c-471b-9f89-42463344c82d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2ce53af9c66d6bd4e6245b14ec3d2cb70914e6d2b607270695f04fd6258fc72 [2023-12-02 12:48:57,317 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 12:48:57,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 12:48:57,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 12:48:57,342 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 12:48:57,343 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 12:48:57,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i [2023-12-02 12:49:00,114 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 12:49:00,323 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 12:49:00,324 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i [2023-12-02 12:49:00,334 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data/d78b52452/dd15529064e7454b8b27faa0e4b2c001/FLAG2b00ae888 [2023-12-02 12:49:00,346 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/data/d78b52452/dd15529064e7454b8b27faa0e4b2c001 [2023-12-02 12:49:00,349 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 12:49:00,350 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 12:49:00,351 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 12:49:00,352 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 12:49:00,357 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 12:49:00,357 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,358 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3443d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00, skipping insertion in model container [2023-12-02 12:49:00,359 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,405 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 12:49:00,553 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_72a04ac8-400c-471b-9f89-42463344c82d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i[916,929] [2023-12-02 12:49:00,625 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:49:00,641 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 12:49:00,653 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_72a04ac8-400c-471b-9f89-42463344c82d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-10.i[916,929] [2023-12-02 12:49:00,734 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 12:49:00,762 INFO L206 MainTranslator]: Completed translation [2023-12-02 12:49:00,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00 WrapperNode [2023-12-02 12:49:00,763 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 12:49:00,764 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 12:49:00,764 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 12:49:00,764 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 12:49:00,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,787 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,819 INFO L138 Inliner]: procedures = 27, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 209 [2023-12-02 12:49:00,819 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 12:49:00,820 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 12:49:00,820 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 12:49:00,820 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 12:49:00,830 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,830 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,851 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,855 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,861 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,866 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 12:49:00,867 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 12:49:00,868 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 12:49:00,868 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 12:49:00,869 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (1/1) ... [2023-12-02 12:49:00,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 12:49:00,887 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:49:00,898 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 12:49:00,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 12:49:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 12:49:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 12:49:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 12:49:00,938 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 12:49:00,938 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 12:49:00,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 12:49:01,033 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 12:49:01,035 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 12:49:08,244 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 12:49:08,296 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 12:49:08,296 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 12:49:08,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:49:08 BoogieIcfgContainer [2023-12-02 12:49:08,297 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 12:49:08,300 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 12:49:08,300 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 12:49:08,303 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 12:49:08,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 12:49:00" (1/3) ... [2023-12-02 12:49:08,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333ae176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:49:08, skipping insertion in model container [2023-12-02 12:49:08,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:49:00" (2/3) ... [2023-12-02 12:49:08,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@333ae176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 12:49:08, skipping insertion in model container [2023-12-02 12:49:08,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:49:08" (3/3) ... [2023-12-02 12:49:08,306 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-10.i [2023-12-02 12:49:08,323 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 12:49:08,323 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 12:49:08,363 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 12:49:08,368 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;@1bb8b847, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 12:49:08,369 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 12:49:08,372 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 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 12:49:08,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-02 12:49:08,385 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:49:08,386 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, 1, 1] [2023-12-02 12:49:08,386 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:49:08,391 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:49:08,391 INFO L85 PathProgramCache]: Analyzing trace with hash 996382228, now seen corresponding path program 1 times [2023-12-02 12:49:08,406 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:49:08,406 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [266577280] [2023-12-02 12:49:08,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:08,407 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 12:49:08,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:49:08,408 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:08,412 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:09,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:09,083 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 12:49:09,095 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:09,159 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 12:49:09,159 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:49:09,160 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:49:09,160 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [266577280] [2023-12-02 12:49:09,161 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [266577280] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:49:09,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:49:09,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 12:49:09,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108173611] [2023-12-02 12:49:09,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:49:09,169 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 12:49:09,169 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:49:09,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 12:49:09,197 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 12:49:09,199 INFO L87 Difference]: Start difference. First operand has 85 states, 54 states have (on average 1.462962962962963) internal successors, (79), 55 states have internal predecessors, (79), 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 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 12:49:11,548 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:11,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:49:11,623 INFO L93 Difference]: Finished difference Result 169 states and 297 transitions. [2023-12-02 12:49:11,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 12:49:11,625 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 182 [2023-12-02 12:49:11,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:49:11,632 INFO L225 Difference]: With dead ends: 169 [2023-12-02 12:49:11,633 INFO L226 Difference]: Without dead ends: 83 [2023-12-02 12:49:11,636 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 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 12:49:11,640 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-12-02 12:49:11,641 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-12-02 12:49:11,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-02 12:49:11,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-12-02 12:49:11,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 53 states have internal predecessors, (73), 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 12:49:11,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 129 transitions. [2023-12-02 12:49:11,684 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 129 transitions. Word has length 182 [2023-12-02 12:49:11,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:49:11,685 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 129 transitions. [2023-12-02 12:49:11,685 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 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 12:49:11,685 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 129 transitions. [2023-12-02 12:49:11,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-02 12:49:11,690 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:49:11,690 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, 1, 1] [2023-12-02 12:49:11,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:11,890 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:11,891 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:49:11,892 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:49:11,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1070828692, now seen corresponding path program 1 times [2023-12-02 12:49:11,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:49:11,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1666192475] [2023-12-02 12:49:11,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:11,893 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 12:49:11,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:49:11,894 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:11,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:12,601 INFO L262 TraceCheckSpWp]: Trace formula consists of 308 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 12:49:12,610 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:12,695 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 12:49:12,695 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:49:12,695 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:49:12,696 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1666192475] [2023-12-02 12:49:12,696 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1666192475] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:49:12,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 12:49:12,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 12:49:12,697 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [567567916] [2023-12-02 12:49:12,697 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:49:12,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 12:49:12,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:49:12,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 12:49:12,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:49:12,700 INFO L87 Difference]: Start difference. First operand 83 states and 129 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 12:49:15,086 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.34s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:49:17,092 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-02 12:49:17,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:49:17,179 INFO L93 Difference]: Finished difference Result 165 states and 257 transitions. [2023-12-02 12:49:17,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 12:49:17,180 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 182 [2023-12-02 12:49:17,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:49:17,184 INFO L225 Difference]: With dead ends: 165 [2023-12-02 12:49:17,184 INFO L226 Difference]: Without dead ends: 83 [2023-12-02 12:49:17,185 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 180 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 12:49:17,187 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 41 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 0 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 204 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2023-12-02 12:49:17,187 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 204 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 8 Invalid, 2 Unknown, 0 Unchecked, 4.5s Time] [2023-12-02 12:49:17,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-12-02 12:49:17,206 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2023-12-02 12:49:17,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 53 states have (on average 1.3584905660377358) internal successors, (72), 53 states have internal predecessors, (72), 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 12:49:17,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2023-12-02 12:49:17,209 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 182 [2023-12-02 12:49:17,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:49:17,211 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2023-12-02 12:49:17,211 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 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 12:49:17,212 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2023-12-02 12:49:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-12-02 12:49:17,215 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:49:17,216 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, 1, 1] [2023-12-02 12:49:17,230 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:17,416 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:17,416 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:49:17,417 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:49:17,417 INFO L85 PathProgramCache]: Analyzing trace with hash 1289683410, now seen corresponding path program 1 times [2023-12-02 12:49:17,418 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:49:17,418 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1821140801] [2023-12-02 12:49:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:17,418 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 12:49:17,418 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:49:17,419 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:17,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-12-02 12:49:18,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:18,066 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:49:18,071 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:20,285 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 258 proven. 144 refuted. 0 times theorem prover too weak. 1110 trivial. 0 not checked. [2023-12-02 12:49:20,285 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:49:20,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:49:20,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1821140801] [2023-12-02 12:49:20,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1821140801] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:49:20,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [329102291] [2023-12-02 12:49:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:20,432 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:49:20,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:49:20,434 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:49:20,436 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 12:49:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:21,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:49:21,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:22,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 231 proven. 75 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2023-12-02 12:49:22,752 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:49:22,813 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [329102291] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:49:22,813 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [301478419] [2023-12-02 12:49:22,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:22,813 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:49:22,813 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:49:22,815 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:49:22,817 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-12-02 12:49:23,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:23,459 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 12:49:23,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 231 proven. 75 refuted. 0 times theorem prover too weak. 1206 trivial. 0 not checked. [2023-12-02 12:49:24,281 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:49:24,338 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [301478419] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 12:49:24,338 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 12:49:24,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 8 [2023-12-02 12:49:24,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695883191] [2023-12-02 12:49:24,339 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 12:49:24,341 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 12:49:24,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:49:24,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 12:49:24,342 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:49:24,343 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 3 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-12-02 12:49:27,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:29,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:31,654 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:32,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:49:32,738 INFO L93 Difference]: Finished difference Result 175 states and 263 transitions. [2023-12-02 12:49:32,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 12:49:32,739 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 3 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) Word has length 182 [2023-12-02 12:49:32,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:49:32,741 INFO L225 Difference]: With dead ends: 175 [2023-12-02 12:49:32,742 INFO L226 Difference]: Without dead ends: 93 [2023-12-02 12:49:32,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 626 GetRequests, 614 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=64, Invalid=118, Unknown=0, NotChecked=0, Total=182 [2023-12-02 12:49:32,745 INFO L413 NwaCegarLoop]: 87 mSDtfsCounter, 101 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 240 mSolverCounterSat, 10 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 253 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 240 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:49:32,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 262 Invalid, 253 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 240 Invalid, 3 Unknown, 0 Unchecked, 8.2s Time] [2023-12-02 12:49:32,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2023-12-02 12:49:32,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2023-12-02 12:49:32,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 59 states have (on average 1.2881355932203389) internal successors, (76), 59 states have internal predecessors, (76), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 28 states have call predecessors, (28), 28 states have call successors, (28) [2023-12-02 12:49:32,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 132 transitions. [2023-12-02 12:49:32,762 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 132 transitions. Word has length 182 [2023-12-02 12:49:32,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:49:32,764 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 132 transitions. [2023-12-02 12:49:32,764 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.75) internal successors, (78), 8 states have internal predecessors, (78), 3 states have call successors, (52), 3 states have call predecessors, (52), 5 states have return successors, (53), 3 states have call predecessors, (53), 3 states have call successors, (53) [2023-12-02 12:49:32,764 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 132 transitions. [2023-12-02 12:49:32,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 12:49:32,768 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:49:32,768 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, 1, 1, 1] [2023-12-02 12:49:32,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2023-12-02 12:49:32,983 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 12:49:33,180 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 12:49:33,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:49:33,372 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:49:33,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:49:33,373 INFO L85 PathProgramCache]: Analyzing trace with hash 818840479, now seen corresponding path program 1 times [2023-12-02 12:49:33,373 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:49:33,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [419447951] [2023-12-02 12:49:33,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:33,373 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 12:49:33,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:49:33,374 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:33,376 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:33,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:33,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 12:49:33,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:34,277 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2023-12-02 12:49:34,277 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:49:34,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:49:34,672 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 12:49:34,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [419447951] [2023-12-02 12:49:34,673 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [419447951] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:49:34,673 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2121320764] [2023-12-02 12:49:34,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:34,673 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 12:49:34,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 12:49:34,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 12:49:34,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 12:49:36,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:36,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 12:49:36,244 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:36,494 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 277 proven. 6 refuted. 0 times theorem prover too weak. 1229 trivial. 0 not checked. [2023-12-02 12:49:36,494 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 12:49:36,856 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 75 proven. 6 refuted. 0 times theorem prover too weak. 1431 trivial. 0 not checked. [2023-12-02 12:49:36,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2121320764] provided 0 perfect and 2 imperfect interpolant sequences [2023-12-02 12:49:36,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1961683876] [2023-12-02 12:49:36,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:36,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 12:49:36,857 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 12:49:36,858 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 12:49:36,861 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-12-02 12:49:37,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:49:37,488 INFO L262 TraceCheckSpWp]: Trace formula consists of 307 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 12:49:37,492 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:49:37,573 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 12:49:37,573 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 12:49:37,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1961683876] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 12:49:37,574 INFO L185 FreeRefinementEngine]: Found 1 perfect and 4 imperfect interpolant sequences. [2023-12-02 12:49:37,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6, 6, 6] total 9 [2023-12-02 12:49:37,575 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180851437] [2023-12-02 12:49:37,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 12:49:37,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 12:49:37,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 12:49:37,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 12:49:37,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-12-02 12:49:37,577 INFO L87 Difference]: Start difference. First operand 91 states and 132 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 12:49:40,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:42,733 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:44,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:47,150 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:49,155 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:51,159 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:53,530 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:55,532 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 12:49:55,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 12:49:55,848 INFO L93 Difference]: Finished difference Result 404 states and 582 transitions. [2023-12-02 12:49:55,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 12:49:55,849 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 183 [2023-12-02 12:49:55,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 12:49:55,853 INFO L225 Difference]: With dead ends: 404 [2023-12-02 12:49:55,853 INFO L226 Difference]: Without dead ends: 314 [2023-12-02 12:49:55,854 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 912 GetRequests, 902 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-12-02 12:49:55,855 INFO L413 NwaCegarLoop]: 215 mSDtfsCounter, 260 mSDsluCounter, 268 mSDsCounter, 0 mSdLazyCounter, 54 mSolverCounterSat, 57 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 17.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 483 SdHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 54 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 18.2s IncrementalHoareTripleChecker+Time [2023-12-02 12:49:55,856 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 483 Invalid, 119 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 54 Invalid, 8 Unknown, 0 Unchecked, 18.2s Time] [2023-12-02 12:49:55,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 314 states. [2023-12-02 12:49:55,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 314 to 158. [2023-12-02 12:49:55,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 99 states have (on average 1.2525252525252526) internal successors, (124), 100 states have internal predecessors, (124), 52 states have call successors, (52), 6 states have call predecessors, (52), 6 states have return successors, (52), 51 states have call predecessors, (52), 52 states have call successors, (52) [2023-12-02 12:49:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 228 transitions. [2023-12-02 12:49:55,896 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 228 transitions. Word has length 183 [2023-12-02 12:49:55,897 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 12:49:55,897 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 228 transitions. [2023-12-02 12:49:55,898 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 12:49:55,898 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 228 transitions. [2023-12-02 12:49:55,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2023-12-02 12:49:55,901 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 12:49:55,901 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, 1, 1, 1] [2023-12-02 12:49:55,939 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2023-12-02 12:49:56,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:56,310 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2023-12-02 12:49:56,502 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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=3,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 12:49:56,502 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 12:49:56,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 12:49:56,503 INFO L85 PathProgramCache]: Analyzing trace with hash 1105871839, now seen corresponding path program 1 times [2023-12-02 12:49:56,503 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 12:49:56,503 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [120481532] [2023-12-02 12:49:56,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 12:49:56,503 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 12:49:56,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 12:49:56,504 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:49:56,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a04ac8-400c-471b-9f89-42463344c82d/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 12:52:11,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 12:52:12,508 INFO L262 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 70 conjunts are in the unsatisfiable core [2023-12-02 12:52:12,520 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 12:54:24,676 WARN L293 SmtUtils]: Spent 22.85s on a formula simplification that was a NOOP. DAG size: 81 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 12:55:44,071 WARN L876 $PredicateComparison]: unable to prove that (let ((.cse5 ((_ to_fp 8 24) c_currentRoundingMode (/ 1.0 100000000000000000000.0)))) (let ((.cse3 ((_ zero_extend 16) c_~var_1_7~0)) (.cse1 ((_ zero_extend 16) c_~var_1_30~0)) (.cse2 ((_ zero_extend 16) c_~var_1_8~0)) (.cse6 (fp.neg .cse5))) (and (bvsge ((_ zero_extend 16) c_~var_1_13~0) (_ bv32767 32)) (= c_~var_1_40~0 c_~var_1_14~0) (bvsge ((_ sign_extend 16) c_~var_1_36~0) (_ bv16383 32)) (= c_~var_1_10~0 ((_ extract 15 0) (let ((.cse0 ((_ zero_extend 24) c_~var_1_40~0))) (bvadd .cse0 (bvneg .cse0))))) (bvsge .cse1 (_ bv16384 32)) (= (_ bv0 16) (bvadd c_~var_1_35~0 (_ bv1 16))) (bvsge .cse2 (_ bv16383 32)) (= c_~var_1_12~0 (_ bv5 8)) (bvsle .cse3 (_ bv16383 32)) (bvsge .cse3 (_ bv8191 32)) (let ((.cse4 ((_ to_fp 8 24) c_currentRoundingMode 4611686018427382800.0))) (or (and (fp.leq c_~var_1_23~0 .cse4) (fp.geq c_~var_1_23~0 .cse5)) (and (fp.geq c_~var_1_23~0 (fp.neg .cse4)) (fp.leq c_~var_1_23~0 .cse6)))) (bvsle .cse1 (_ bv32767 32)) (bvsle .cse2 (_ bv32767 32)) (= |c_ULTIMATE.start_step_~stepLocal_1~0#1| c_~var_1_40~0) (bvsle ((_ zero_extend 24) c_~var_1_38~0) (_ bv0 32)) (let ((.cse7 ((_ to_fp 8 24) c_currentRoundingMode 9223372036854765600.0))) (or (and (fp.geq c_~var_1_17~0 .cse5) (fp.leq c_~var_1_17~0 .cse7)) (and (fp.leq c_~var_1_17~0 .cse6) (fp.geq c_~var_1_17~0 (fp.neg .cse7))))) (fp.geq c_~var_1_16~0 (fp.div c_currentRoundingMode c_~var_1_17~0 c_~var_1_28~0)) (= ((_ extract 15 0) (bvadd c_~last_1_var_1_26~0 ((_ zero_extend 24) c_~var_1_14~0))) c_~var_1_27~0) (bvsge ((_ sign_extend 24) c_~var_1_20~0) (_ bv4294967169 32)) (bvsge ((_ sign_extend 24) c_~var_1_21~0) (_ bv4294967169 32)) (= c_currentRoundingMode roundNearestTiesToEven)))) is different from true [2023-12-02 12:57:28,801 WARN L293 SmtUtils]: Spent 25.01s on a formula simplification that was a NOOP. DAG size: 92 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:00:09,481 WARN L293 SmtUtils]: Spent 27.74s on a formula simplification that was a NOOP. DAG size: 94 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 13:02:26,409 WARN L293 SmtUtils]: Spent 24.97s on a formula simplification that was a NOOP. DAG size: 99 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)