./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire --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 e6e90d4f359562cf2288b0f968ce75b42f7be419be1d3a4bef987220d74231c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:47,377 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:47,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:36:47,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:47,465 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:47,493 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:47,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:47,494 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:47,495 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:47,496 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:47,496 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:47,497 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:47,498 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:47,498 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:36:47,499 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:47,499 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:47,500 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:36:47,501 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:36:47,501 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:47,502 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:36:47,502 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:36:47,503 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:36:47,504 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:47,505 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:47,505 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:47,505 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:36:47,506 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:47,506 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:47,507 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:47,507 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:47,508 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:47,508 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:47,509 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:47,509 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:47,510 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:47,510 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:47,510 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:47,511 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:47,511 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:47,511 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:47,512 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:47,512 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:36:47,513 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:36:47,513 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:47,513 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:47,513 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:47,514 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:47,514 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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6e90d4f359562cf2288b0f968ce75b42f7be419be1d3a4bef987220d74231c9 [2023-11-23 20:36:47,794 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:47,827 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:47,830 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:47,832 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:47,833 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:47,835 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i [2023-11-23 20:36:51,093 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:36:51,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:36:51,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i [2023-11-23 20:36:51,357 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data/767c336e5/ea3eeb2751a84892976c5a4ca62c01d0/FLAG1f8e4ab69 [2023-11-23 20:36:51,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data/767c336e5/ea3eeb2751a84892976c5a4ca62c01d0 [2023-11-23 20:36:51,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:36:51,377 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:36:51,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:51,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:36:51,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:36:51,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fc3e5f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51, skipping insertion in model container [2023-11-23 20:36:51,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,431 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:36:51,603 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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i[916,929] [2023-11-23 20:36:51,686 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:51,699 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:36:51,712 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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i[916,929] [2023-11-23 20:36:51,775 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:36:51,805 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:36:51,806 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51 WrapperNode [2023-11-23 20:36:51,806 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:36:51,807 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:51,807 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:36:51,807 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:36:51,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,827 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,885 INFO L138 Inliner]: procedures = 26, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 20:36:51,886 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:36:51,886 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:36:51,887 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:36:51,887 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:36:51,897 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,897 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,901 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,921 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,927 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,933 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:36:51,934 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:36:51,934 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:36:51,934 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:36:51,935 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (1/1) ... [2023-11-23 20:36:51,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:51,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:36:51,985 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:36:52,011 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:36:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:36:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:36:52,031 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:36:52,031 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:36:52,034 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:36:52,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:36:52,176 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:36:52,180 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:36:52,722 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:36:53,127 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:36:53,128 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:36:53,130 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:53 BoogieIcfgContainer [2023-11-23 20:36:53,130 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:36:53,134 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:36:53,134 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:36:53,138 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:36:53,138 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:36:51" (1/3) ... [2023-11-23 20:36:53,140 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbf8a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:53, skipping insertion in model container [2023-11-23 20:36:53,140 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:36:51" (2/3) ... [2023-11-23 20:36:53,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cbf8a84 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:36:53, skipping insertion in model container [2023-11-23 20:36:53,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:53" (3/3) ... [2023-11-23 20:36:53,143 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-34.i [2023-11-23 20:36:53,165 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:36:53,166 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:36:53,237 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:36:53,244 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;@790b7d1e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:36:53,246 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:36:53,251 INFO L276 IsEmpty]: Start isEmpty. Operand has 42 states, 19 states have (on average 1.1578947368421053) internal successors, (22), 20 states have internal predecessors, (22), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:36:53,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2023-11-23 20:36:53,266 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:36:53,267 INFO L195 NwaCegarLoop]: trace histogram [20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:36:53,268 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:36:53,276 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:36:53,276 INFO L85 PathProgramCache]: Analyzing trace with hash -250499572, now seen corresponding path program 1 times [2023-11-23 20:36:53,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:36:53,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [244332539] [2023-11-23 20:36:53,288 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:36:53,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:36:53,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:53,978 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:36:54,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:36:54,330 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:36:54,334 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:36:54,336 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:36:54,338 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 20:36:54,349 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:36:54,355 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:36:54,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:36:54 BoogieIcfgContainer [2023-11-23 20:36:54,514 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:36:54,514 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:36:54,515 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:36:54,515 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:36:54,515 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:36:53" (3/4) ... [2023-11-23 20:36:54,518 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:36:54,519 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:36:54,521 INFO L158 Benchmark]: Toolchain (without parser) took 3143.42ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 97.4MB in the beginning and 98.4MB in the end (delta: -1.0MB). Peak memory consumption was 45.0MB. Max. memory is 16.1GB. [2023-11-23 20:36:54,521 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:54,522 INFO L158 Benchmark]: CACSL2BoogieTranslator took 427.92ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 81.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-23 20:36:54,522 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.70ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 78.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:36:54,523 INFO L158 Benchmark]: Boogie Preprocessor took 46.46ms. Allocated memory is still 138.4MB. Free memory was 78.1MB in the beginning and 75.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:36:54,524 INFO L158 Benchmark]: RCFGBuilder took 1196.13ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 75.7MB in the beginning and 107.5MB in the end (delta: -31.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2023-11-23 20:36:54,525 INFO L158 Benchmark]: TraceAbstraction took 1379.96ms. Allocated memory is still 182.5MB. Free memory was 106.6MB in the beginning and 98.4MB in the end (delta: 8.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2023-11-23 20:36:54,525 INFO L158 Benchmark]: Witness Printer took 4.79ms. Allocated memory is still 182.5MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:36:54,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 138.4MB. Free memory is still 79.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 427.92ms. Allocated memory is still 138.4MB. Free memory was 97.4MB in the beginning and 81.6MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.70ms. Allocated memory is still 138.4MB. Free memory was 81.6MB in the beginning and 78.1MB in the end (delta: 3.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.46ms. Allocated memory is still 138.4MB. Free memory was 78.1MB in the beginning and 75.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.13ms. Allocated memory was 138.4MB in the beginning and 182.5MB in the end (delta: 44.0MB). Free memory was 75.7MB in the beginning and 107.5MB in the end (delta: -31.8MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1379.96ms. Allocated memory is still 182.5MB. Free memory was 106.6MB in the beginning and 98.4MB in the end (delta: 8.2MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. * Witness Printer took 4.79ms. Allocated memory is still 182.5MB. Free memory is still 98.4MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 185, overapproximation of someUnaryDOUBLEoperation at line 76, overapproximation of someBinaryArithmeticDOUBLEoperation at line 80, overapproximation of someBinaryDOUBLEComparisonOperation at line 55. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 64; [L23] unsigned char var_1_3 = 200; [L24] unsigned char var_1_4 = 16; [L25] unsigned char var_1_5 = 0; [L26] double var_1_7 = 31.75; [L27] double var_1_8 = 64.75; [L28] double var_1_9 = 1.625; [L29] double var_1_10 = 0.0; [L30] double var_1_11 = 15.75; [L31] double var_1_12 = 199.6; [L32] double var_1_13 = 31.625; [L33] float var_1_14 = 2.575; [L34] float var_1_15 = 0.0; [L35] double var_1_16 = 64.8; [L36] double var_1_18 = 8.01; [L37] double var_1_19 = 1000000.5; [L38] unsigned char var_1_22 = 1; [L39] unsigned char var_1_23 = 1; [L40] unsigned char var_1_24 = 1; [L41] unsigned char var_1_25 = 0; [L42] double var_1_26 = 49.31; [L43] signed long int var_1_28 = 1; [L44] unsigned char var_1_29 = 1; [L45] unsigned char var_1_30 = 0; [L46] unsigned char var_1_31 = 1; [L47] unsigned short int last_1_var_1_1 = 64; [L48] unsigned char last_1_var_1_22 = 1; [L49] signed long int last_1_var_1_28 = 1; [L50] unsigned char last_1_var_1_29 = 1; [L51] unsigned char last_1_var_1_31 = 1; [L189] isInitial = 1 [L190] FCALL initially() [L191] int k_loop; [L192] k_loop = 0 VAL [isInitial=1, k_loop=0, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=200, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L192] COND TRUE k_loop < 1 [L193] CALL updateLastVariables() [L178] last_1_var_1_1 = var_1_1 [L179] last_1_var_1_22 = var_1_22 [L180] last_1_var_1_28 = var_1_28 [L181] last_1_var_1_29 = var_1_29 [L182] last_1_var_1_31 = var_1_31 [L193] RET updateLastVariables() [L194] CALL updateVariables() [L143] var_1_3 = __VERIFIER_nondet_uchar() [L144] CALL assume_abort_if_not(var_1_3 >= 191) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L144] RET assume_abort_if_not(var_1_3 >= 191) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L145] CALL assume_abort_if_not(var_1_3 <= 255) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_3 <= 255) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=16, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L146] var_1_4 = __VERIFIER_nondet_uchar() [L147] CALL assume_abort_if_not(var_1_4 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L147] RET assume_abort_if_not(var_1_4 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L148] CALL assume_abort_if_not(var_1_4 <= 64) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_4 <= 64) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L149] var_1_5 = __VERIFIER_nondet_uchar() [L150] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L151] CALL assume_abort_if_not(var_1_5 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_5 <= 127) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_8=259/4, var_1_9=13/8] [L152] var_1_8 = __VERIFIER_nondet_double() [L153] CALL assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not((var_1_8 >= -922337.2036854765600e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854765600e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=0, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L154] var_1_10 = __VERIFIER_nondet_double() [L155] CALL assume_abort_if_not((var_1_10 >= 4611686.018427382800e+12F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not((var_1_10 >= 4611686.018427382800e+12F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854765600e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_11=63/4, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L156] var_1_11 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_11 >= 0.0F && var_1_11 <= -1.0e-20F) || (var_1_11 <= 4611686.018427382800e+12F && var_1_11 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_12=998/5, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L158] var_1_12 = __VERIFIER_nondet_double() [L159] CALL assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not((var_1_12 >= 0.0F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_15=0, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L160] var_1_15 = __VERIFIER_nondet_float() [L161] CALL assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L161] RET assume_abort_if_not((var_1_15 >= 4611686.018427382800e+12F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_18=801/100, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L162] var_1_18 = __VERIFIER_nondet_double() [L163] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 9223372.036854765600e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L164] var_1_23 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_23 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_23 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L166] CALL assume_abort_if_not(var_1_23 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_23 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L167] var_1_24 = __VERIFIER_nondet_uchar() [L168] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L169] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L170] var_1_25 = __VERIFIER_nondet_uchar() [L171] CALL assume_abort_if_not(var_1_25 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L171] RET assume_abort_if_not(var_1_25 >= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L172] CALL assume_abort_if_not(var_1_25 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_25 <= 0) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=0, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L173] var_1_30 = __VERIFIER_nondet_uchar() [L174] CALL assume_abort_if_not(var_1_30 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not(var_1_30 >= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L175] CALL assume_abort_if_not(var_1_30 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_30 <= 1) VAL [isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_13=253/8, var_1_14=103/40, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=1, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=4931/100, var_1_28=1, var_1_29=1, var_1_30=1, var_1_31=1, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_9=13/8] [L194] RET updateVariables() [L195] CALL step() [L55] COND FALSE !(var_1_8 <= (((((- var_1_12)) < ((var_1_11 - 99999.75))) ? ((- var_1_12)) : ((var_1_11 - 99999.75))))) [L62] signed long int stepLocal_7 = 100; [L63] COND FALSE !(! (var_1_10 <= 16.8)) [L66] COND TRUE (last_1_var_1_28 * (- 2)) <= stepLocal_7 [L67] COND TRUE \read(last_1_var_1_22) [L68] var_1_29 = 0 [L74] unsigned char stepLocal_1 = var_1_4; [L75] COND FALSE !(stepLocal_1 >= var_1_28) [L78] unsigned char stepLocal_4 = var_1_4; [L79] COND TRUE stepLocal_4 <= ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5))) [L80] var_1_14 = ((((var_1_12) < ((var_1_10 - (var_1_15 - var_1_11)))) ? (var_1_12) : ((var_1_10 - (var_1_15 - var_1_11))))) [L84] COND FALSE !((- var_1_7) == var_1_10) [L87] var_1_31 = var_1_25 [L88] signed long int stepLocal_0 = var_1_28; [L89] COND FALSE !(\read(var_1_29)) [L94] unsigned char stepLocal_6 = var_1_31; [L95] COND FALSE !(var_1_31 && stepLocal_6) [L98] var_1_22 = (! (var_1_24 && (! var_1_25))) [L100] COND FALSE !(\read(var_1_22)) [L105] COND TRUE var_1_12 == var_1_8 [L106] var_1_9 = var_1_11 [L111] unsigned char stepLocal_3 = var_1_3; [L112] unsigned char stepLocal_2 = var_1_10 != var_1_9; [L113] COND FALSE !(stepLocal_2 && var_1_29) [L124] var_1_13 = var_1_12 [L126] unsigned char stepLocal_5 = var_1_22; [L127] COND FALSE !(\read(var_1_22)) [L134] COND FALSE !(stepLocal_5 || var_1_22) [L138] COND TRUE var_1_23 || (((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5))) < var_1_1) [L139] var_1_26 = 25.5 [L195] RET step() [L196] CALL, EXPR property() [L185-L186] return (((((((((((var_1_29 ? ((((var_1_3 - var_1_4) - var_1_5) <= var_1_28) ? (var_1_1 == ((unsigned short int) var_1_3)) : 1) : 1) && ((var_1_4 >= var_1_28) ? (var_1_7 == ((double) ((((var_1_8) < 0 ) ? -(var_1_8) : (var_1_8))))) : 1)) && (var_1_22 ? ((var_1_1 >= var_1_5) ? (var_1_9 == ((double) ((((((var_1_10 - var_1_11) - var_1_12)) < (var_1_8)) ? (((var_1_10 - var_1_11) - var_1_12)) : (var_1_8))))) : 1) : ((var_1_12 == var_1_8) ? (var_1_9 == ((double) var_1_11)) : (var_1_9 == ((double) var_1_12))))) && (((var_1_10 != var_1_9) && var_1_29) ? ((var_1_11 >= (127.5 / var_1_10)) ? ((var_1_3 >= var_1_28) ? (var_1_13 == ((double) var_1_10)) : (var_1_13 == ((double) 9.9999999999996E12))) : (var_1_13 == ((double) var_1_11))) : (var_1_13 == ((double) var_1_12)))) && ((var_1_4 <= ((((var_1_5) < 0 ) ? -(var_1_5) : (var_1_5)))) ? (var_1_14 == ((float) ((((var_1_12) < ((var_1_10 - (var_1_15 - var_1_11)))) ? (var_1_12) : ((var_1_10 - (var_1_15 - var_1_11))))))) : (var_1_14 == ((float) var_1_15)))) && (((- var_1_7) == var_1_10) ? (var_1_16 == ((double) (((((var_1_18 - var_1_15)) > (var_1_11)) ? ((var_1_18 - var_1_15)) : (var_1_11))))) : 1)) && (var_1_22 ? ((var_1_10 >= (var_1_8 * var_1_13)) ? (var_1_19 == ((double) (var_1_18 - (var_1_15 - var_1_11)))) : (var_1_19 == ((double) ((((((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) < (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))) ? (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) : (((((var_1_11) < 0 ) ? -(var_1_11) : (var_1_11))))))))) : ((var_1_22 || var_1_22) ? (var_1_19 == ((double) var_1_12)) : 1))) && ((var_1_31 && var_1_31) ? (var_1_22 == ((unsigned char) ((var_1_29 || var_1_23) && var_1_24))) : (var_1_22 == ((unsigned char) (! (var_1_24 && (! var_1_25))))))) && ((var_1_23 || (((((var_1_3) > (var_1_5)) ? (var_1_3) : (var_1_5))) < var_1_1)) ? (var_1_26 == ((double) 25.5)) : 1)) && ((var_1_8 <= (((((- var_1_12)) < ((var_1_11 - 99999.75))) ? ((- var_1_12)) : ((var_1_11 - 99999.75))))) ? ((last_1_var_1_29 && last_1_var_1_31) ? (var_1_28 == ((signed long int) last_1_var_1_1)) : (var_1_28 == ((signed long int) last_1_var_1_1))) : 1)) && ((! (var_1_10 <= 16.8)) ? (var_1_29 == ((unsigned char) (var_1_23 && ((var_1_24 || last_1_var_1_22) || var_1_30)))) : (((last_1_var_1_28 * (- 2)) <= 100) ? (last_1_var_1_22 ? (var_1_29 == ((unsigned char) 0)) : (var_1_29 == ((unsigned char) (var_1_23 && var_1_24)))) : 1))) && (var_1_31 == ((unsigned char) var_1_25)) ; [L196] RET, EXPR property() [L196] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=2000001/2, var_1_11=2000001/2, var_1_12=2000001/2, var_1_13=2000001/2, var_1_14=2000001/2, var_1_15=2000001/2, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=51/2, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_8=2000001/2, var_1_9=2000001/2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=64, last_1_var_1_22=1, last_1_var_1_28=1, last_1_var_1_29=1, last_1_var_1_31=1, var_1_10=2000001/2, var_1_11=2000001/2, var_1_12=2000001/2, var_1_13=2000001/2, var_1_14=2000001/2, var_1_15=2000001/2, var_1_16=324/5, var_1_19=2000001/2, var_1_1=64, var_1_22=0, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=51/2, var_1_28=1, var_1_29=0, var_1_30=1, var_1_31=0, var_1_3=191, var_1_4=0, var_1_5=65, var_1_7=127/4, var_1_8=2000001/2, var_1_9=2000001/2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 42 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 1, TraceHistogramMax: 20, 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=42occurred 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, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 77 NumberOfCodeBlocks, 77 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 [2023-11-23 20:36:54,573 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire --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 e6e90d4f359562cf2288b0f968ce75b42f7be419be1d3a4bef987220d74231c9 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:36:57,516 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:36:57,654 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:36:57,662 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:36:57,663 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:36:57,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:36:57,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:36:57,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:36:57,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:36:57,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:36:57,730 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:36:57,731 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:36:57,731 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:36:57,733 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:36:57,734 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:36:57,734 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:36:57,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:36:57,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:36:57,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:36:57,738 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:36:57,738 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:36:57,739 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:36:57,739 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:36:57,740 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:36:57,740 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:36:57,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:36:57,741 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:36:57,742 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:36:57,742 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:36:57,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:36:57,744 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:36:57,744 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:36:57,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:36:57,745 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:36:57,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:36:57,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:36:57,746 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:36:57,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:36:57,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:36:57,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:36:57,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:36:57,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:36:57,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:36:57,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:36:57,749 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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e6e90d4f359562cf2288b0f968ce75b42f7be419be1d3a4bef987220d74231c9 [2023-11-23 20:36:58,173 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:36:58,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:36:58,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:36:58,204 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:36:58,204 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:36:58,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i [2023-11-23 20:37:01,328 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:37:01,694 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:37:01,695 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i [2023-11-23 20:37:01,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data/308edfb75/ad364fb5676d44dd9d07e9f419d42f29/FLAG72b377590 [2023-11-23 20:37:01,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/data/308edfb75/ad364fb5676d44dd9d07e9f419d42f29 [2023-11-23 20:37:01,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:37:01,733 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:37:01,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:01,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:37:01,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:37:01,744 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:01" (1/1) ... [2023-11-23 20:37:01,745 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b455f7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:01, skipping insertion in model container [2023-11-23 20:37:01,745 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:37:01" (1/1) ... [2023-11-23 20:37:01,811 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:37:02,021 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i[916,929] [2023-11-23 20:37:02,143 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:02,175 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:37:02,195 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_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-1loop_file-34.i[916,929] [2023-11-23 20:37:02,277 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:37:02,315 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:37:02,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02 WrapperNode [2023-11-23 20:37:02,315 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:37:02,317 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:02,317 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:37:02,317 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:37:02,326 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,346 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,407 INFO L138 Inliner]: procedures = 27, calls = 33, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 186 [2023-11-23 20:37:02,415 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:37:02,416 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:37:02,417 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:37:02,417 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:37:02,427 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,427 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,434 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,450 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,459 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,462 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,467 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:37:02,468 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:37:02,469 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:37:02,469 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:37:02,470 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (1/1) ... [2023-11-23 20:37:02,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:37:02,507 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:37:02,532 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:37:02,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:37:02,585 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:37:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:37:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:37:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:37:02,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:37:02,586 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:37:02,711 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:37:02,716 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:37:17,898 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:37:17,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:37:17,993 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:37:17,994 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:17 BoogieIcfgContainer [2023-11-23 20:37:17,994 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:37:17,998 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:37:17,998 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:37:18,001 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:37:18,002 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:37:01" (1/3) ... [2023-11-23 20:37:18,002 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355486d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:18, skipping insertion in model container [2023-11-23 20:37:18,003 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:37:02" (2/3) ... [2023-11-23 20:37:18,005 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@355486d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:37:18, skipping insertion in model container [2023-11-23 20:37:18,006 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:37:17" (3/3) ... [2023-11-23 20:37:18,007 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-1loop_file-34.i [2023-11-23 20:37:18,025 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:37:18,025 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:37:18,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:37:18,078 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;@4c1a94e7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:37:18,078 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:37:18,083 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:37:18,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 20:37:18,104 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:18,105 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:18,105 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:18,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:18,112 INFO L85 PathProgramCache]: Analyzing trace with hash -1379427813, now seen corresponding path program 1 times [2023-11-23 20:37:18,129 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:18,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1202803622] [2023-11-23 20:37:18,129 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:18,130 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 [2023-11-23 20:37:18,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:18,136 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:18,147 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:19,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:19,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:37:19,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 398 proven. 0 refuted. 0 times theorem prover too weak. 362 trivial. 0 not checked. [2023-11-23 20:37:19,881 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:19,882 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:19,882 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1202803622] [2023-11-23 20:37:19,883 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1202803622] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:19,883 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:37:19,883 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:37:19,885 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538526832] [2023-11-23 20:37:19,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:19,892 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:37:19,892 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:19,936 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:37:19,936 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:19,939 INFO L87 Difference]: Start difference. First operand has 74 states, 51 states have (on average 1.5098039215686274) internal successors, (77), 52 states have internal predecessors, (77), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 20:37:22,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.46s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:22,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:22,668 INFO L93 Difference]: Finished difference Result 147 states and 253 transitions. [2023-11-23 20:37:22,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:37:22,671 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) Word has length 138 [2023-11-23 20:37:22,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:22,679 INFO L225 Difference]: With dead ends: 147 [2023-11-23 20:37:22,680 INFO L226 Difference]: Without dead ends: 72 [2023-11-23 20:37:22,683 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:37:22,687 INFO L413 NwaCegarLoop]: 109 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:22,688 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 109 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 1 Unknown, 0 Unchecked, 2.7s Time] [2023-11-23 20:37:22,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-23 20:37:22,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-23 20:37:22,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.44) internal successors, (72), 50 states have internal predecessors, (72), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:37:22,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 112 transitions. [2023-11-23 20:37:22,749 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 112 transitions. Word has length 138 [2023-11-23 20:37:22,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:22,750 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 112 transitions. [2023-11-23 20:37:22,750 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (20), 2 states have call predecessors, (20), 2 states have return successors, (20), 2 states have call predecessors, (20), 2 states have call successors, (20) [2023-11-23 20:37:22,751 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-23 20:37:22,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 20:37:22,765 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:22,766 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:22,800 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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)] Ended with exit code 0 [2023-11-23 20:37:22,993 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:22,994 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:22,995 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:22,995 INFO L85 PathProgramCache]: Analyzing trace with hash 1299327975, now seen corresponding path program 1 times [2023-11-23 20:37:22,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:22,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [168233578] [2023-11-23 20:37:22,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:22,996 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 [2023-11-23 20:37:22,997 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:22,998 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:23,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:37:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:24,694 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:37:24,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:29,735 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 379 proven. 21 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2023-11-23 20:37:29,736 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:37:32,913 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 36 proven. 21 refuted. 0 times theorem prover too weak. 703 trivial. 0 not checked. [2023-11-23 20:37:32,913 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:37:32,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [168233578] [2023-11-23 20:37:32,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [168233578] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-23 20:37:32,914 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [2140267034] [2023-11-23 20:37:32,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:32,915 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:32,915 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:37:32,957 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:37:32,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-23 20:37:33,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:33,956 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:37:33,962 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:37:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 760 trivial. 0 not checked. [2023-11-23 20:37:34,593 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:37:34,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [2140267034] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:37:34,594 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:37:34,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [7, 8] total 16 [2023-11-23 20:37:34,595 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504057894] [2023-11-23 20:37:34,595 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:37:34,596 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:37:34,597 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:37:34,598 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:37:34,598 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:37:34,599 INFO L87 Difference]: Start difference. First operand 72 states and 112 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 20:37:37,231 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:39,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:41,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:43,246 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:45,254 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:47,263 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-23 20:37:47,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:37:47,489 INFO L93 Difference]: Finished difference Result 145 states and 226 transitions. [2023-11-23 20:37:47,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:37:47,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) Word has length 138 [2023-11-23 20:37:47,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:37:47,494 INFO L225 Difference]: With dead ends: 145 [2023-11-23 20:37:47,494 INFO L226 Difference]: Without dead ends: 74 [2023-11-23 20:37:47,496 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 411 GetRequests, 397 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=49, Invalid=191, Unknown=0, NotChecked=0, Total=240 [2023-11-23 20:37:47,498 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 11 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.9s IncrementalHoareTripleChecker+Time [2023-11-23 20:37:47,498 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 202 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 6 Unknown, 0 Unchecked, 12.9s Time] [2023-11-23 20:37:47,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2023-11-23 20:37:47,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2023-11-23 20:37:47,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 50 states have (on average 1.42) internal successors, (71), 50 states have internal predecessors, (71), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-23 20:37:47,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 111 transitions. [2023-11-23 20:37:47,517 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 111 transitions. Word has length 138 [2023-11-23 20:37:47,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:37:47,520 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 111 transitions. [2023-11-23 20:37:47,520 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 4 states have internal predecessors, (41), 1 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 1 states have call predecessors, (20), 1 states have call successors, (20) [2023-11-23 20:37:47,520 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-23 20:37:47,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2023-11-23 20:37:47,522 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:37:47,523 INFO L195 NwaCegarLoop]: trace histogram [20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:37:47,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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)] Forceful destruction successful, exit code 0 [2023-11-23 20:37:47,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-23 20:37:47,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:37:47,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:37:47,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:37:47,936 INFO L85 PathProgramCache]: Analyzing trace with hash 1301175017, now seen corresponding path program 1 times [2023-11-23 20:37:47,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:37:47,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [886969407] [2023-11-23 20:37:47,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:37:47,938 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 [2023-11-23 20:37:47,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:37:47,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:37:47,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9f0acc30-af4e-43a7-a67b-6a78d0ac8c24/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-23 20:37:49,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:37:49,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 241 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:37:49,656 INFO L285 TraceCheckSpWp]: Computing forward predicates...