./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91 --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 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:04:01,203 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:04:01,315 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:04:01,322 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:04:01,323 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:04:01,360 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:04:01,361 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:04:01,362 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:04:01,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:04:01,368 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:04:01,368 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:04:01,369 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:04:01,369 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:04:01,371 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:04:01,372 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:04:01,372 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:04:01,372 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:04:01,373 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:04:01,373 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:04:01,374 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:04:01,374 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:04:01,375 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:04:01,376 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:04:01,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:04:01,377 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:04:01,378 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:04:01,378 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:04:01,379 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:04:01,379 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:04:01,380 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:04:01,381 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:04:01,381 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:04:01,382 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:04:01,382 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:04:01,383 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:04:01,383 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:04:01,383 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:04:01,383 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:01,385 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:04:01,385 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:04:01,385 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:04:01,386 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:04:01,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:04:01,386 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:04:01,387 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:04:01,387 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:04:01,388 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:04:01,388 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 [2023-11-25 00:04:01,696 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:04:01,725 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:04:01,727 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:04:01,730 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:04:01,730 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:04:01,731 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-25 00:04:04,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:04:05,145 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:04:05,146 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-25 00:04:05,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data/88b56f026/ecc63ca4fbf24df4a6638cb0fdfb42c8/FLAG428230aa9 [2023-11-25 00:04:05,175 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data/88b56f026/ecc63ca4fbf24df4a6638cb0fdfb42c8 [2023-11-25 00:04:05,181 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:04:05,183 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:04:05,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:05,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:04:05,194 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:04:05,195 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,196 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29d5a3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05, skipping insertion in model container [2023-11-25 00:04:05,196 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,257 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:04:05,483 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-25 00:04:05,618 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:05,632 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:04:05,647 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-25 00:04:05,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:05,716 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:04:05,716 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05 WrapperNode [2023-11-25 00:04:05,717 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:05,718 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:05,718 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:04:05,719 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:04:05,727 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,745 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,808 INFO L138 Inliner]: procedures = 26, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 243 [2023-11-25 00:04:05,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:05,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:04:05,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:04:05,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:04:05,821 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,827 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,827 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,849 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,854 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,859 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,863 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,871 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:04:05,872 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:04:05,873 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:04:05,873 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:04:05,874 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (1/1) ... [2023-11-25 00:04:05,881 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:05,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:05,915 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:04:05,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:04:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:04:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:04:05,967 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:04:05,967 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:04:05,969 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:04:05,970 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:04:06,064 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:04:06,067 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:04:06,741 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:04:07,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:04:07,293 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:04:07,295 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:07 BoogieIcfgContainer [2023-11-25 00:04:07,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:04:07,298 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:04:07,298 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:04:07,302 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:04:07,303 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:04:05" (1/3) ... [2023-11-25 00:04:07,304 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122236ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:07, skipping insertion in model container [2023-11-25 00:04:07,304 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:05" (2/3) ... [2023-11-25 00:04:07,307 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@122236ca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:07, skipping insertion in model container [2023-11-25 00:04:07,307 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:07" (3/3) ... [2023-11-25 00:04:07,308 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-25 00:04:07,333 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:04:07,334 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:04:07,402 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:04:07,410 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;@5a27fab3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:04:07,411 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:04:07,415 INFO L276 IsEmpty]: Start isEmpty. Operand has 49 states, 20 states have (on average 1.15) internal successors, (23), 21 states have internal predecessors, (23), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-25 00:04:07,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-25 00:04:07,429 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:07,431 INFO L195 NwaCegarLoop]: trace histogram [26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:07,431 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:07,439 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:07,440 INFO L85 PathProgramCache]: Analyzing trace with hash 1423899731, now seen corresponding path program 1 times [2023-11-25 00:04:07,448 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:04:07,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134392603] [2023-11-25 00:04:07,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:07,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:04:07,737 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:04:07,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [172796941] [2023-11-25 00:04:07,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:07,738 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:04:07,739 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:07,742 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:04:07,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:04:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:04:08,231 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:04:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:04:09,029 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:04:09,031 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:04:09,033 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:04:09,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:09,253 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:04:09,258 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:04:09,262 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:04:09,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:04:09 BoogieIcfgContainer [2023-11-25 00:04:09,442 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:04:09,443 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:04:09,443 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:04:09,443 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:04:09,444 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:07" (3/4) ... [2023-11-25 00:04:09,446 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:04:09,447 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:04:09,449 INFO L158 Benchmark]: Toolchain (without parser) took 4265.14ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 126.7MB in the beginning and 128.6MB in the end (delta: -1.9MB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-25 00:04:09,449 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory was 65.4MB in the beginning and 65.1MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:04:09,450 INFO L158 Benchmark]: CACSL2BoogieTranslator took 530.05ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 109.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:04:09,451 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.13ms. Allocated memory is still 174.1MB. Free memory was 109.2MB in the beginning and 102.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-25 00:04:09,451 INFO L158 Benchmark]: Boogie Preprocessor took 62.02ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 99.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:04:09,452 INFO L158 Benchmark]: RCFGBuilder took 1423.52ms. Allocated memory is still 174.1MB. Free memory was 99.4MB in the beginning and 62.7MB in the end (delta: 36.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. [2023-11-25 00:04:09,453 INFO L158 Benchmark]: TraceAbstraction took 2144.17ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 129.7MB in the end (delta: -67.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:04:09,453 INFO L158 Benchmark]: Witness Printer took 4.62ms. Allocated memory is still 211.8MB. Free memory was 129.7MB in the beginning and 128.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:04:09,457 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory was 65.4MB in the beginning and 65.1MB in the end (delta: 321.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 530.05ms. Allocated memory is still 174.1MB. Free memory was 126.7MB in the beginning and 109.2MB in the end (delta: 17.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.13ms. Allocated memory is still 174.1MB. Free memory was 109.2MB in the beginning and 102.2MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.02ms. Allocated memory is still 174.1MB. Free memory was 102.2MB in the beginning and 99.4MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1423.52ms. Allocated memory is still 174.1MB. Free memory was 99.4MB in the beginning and 62.7MB in the end (delta: 36.7MB). Peak memory consumption was 45.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2144.17ms. Allocated memory was 174.1MB in the beginning and 211.8MB in the end (delta: 37.7MB). Free memory was 62.7MB in the beginning and 129.7MB in the end (delta: -67.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.62ms. Allocated memory is still 211.8MB. Free memory was 129.7MB in the beginning and 128.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 70, overapproximation of shiftRight at line 77, overapproximation of bitwiseOr at line 86. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 3511246143; [L24] unsigned char var_1_3 = 0; [L25] unsigned char var_1_5 = 1; [L26] unsigned char var_1_6 = 0; [L27] unsigned char var_1_7 = 5; [L28] unsigned long int var_1_8 = 2220610682; [L29] unsigned long int var_1_9 = 3786407275; [L30] unsigned char var_1_12 = 64; [L31] unsigned long int var_1_13 = 100; [L32] signed long int var_1_14 = 1; [L33] unsigned long int var_1_15 = 3489174775; [L34] signed char var_1_16 = 1; [L35] signed char var_1_17 = -16; [L36] signed short int var_1_18 = 0; [L37] signed short int var_1_19 = 64; [L38] signed short int var_1_20 = 2; [L39] double var_1_21 = 7.5; [L40] double var_1_22 = 99.5; [L41] signed short int var_1_23 = 500; [L42] unsigned short int var_1_24 = 5; [L43] double var_1_25 = 127.5; [L44] unsigned short int var_1_26 = 33797; [L45] unsigned short int var_1_28 = 27913; [L46] signed long int var_1_30 = 2; [L47] unsigned char last_1_var_1_7 = 5; [L48] signed short int last_1_var_1_18 = 0; [L49] unsigned short int last_1_var_1_24 = 5; [L50] signed long int last_1_var_1_30 = 2; [L201] isInitial = 1 [L202] FCALL initially() [L203] COND TRUE 1 [L204] CALL updateLastVariables() [L191] last_1_var_1_7 = var_1_7 [L192] last_1_var_1_18 = var_1_18 [L193] last_1_var_1_24 = var_1_24 [L194] last_1_var_1_30 = var_1_30 [L204] RET updateLastVariables() [L205] CALL updateVariables() [L149] var_1_2 = __VERIFIER_nondet_ulong() [L150] CALL assume_abort_if_not(var_1_2 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L150] RET assume_abort_if_not(var_1_2 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L151] CALL assume_abort_if_not(var_1_2 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_2 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L152] var_1_5 = __VERIFIER_nondet_uchar() [L153] CALL assume_abort_if_not(var_1_5 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L153] RET assume_abort_if_not(var_1_5 >= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L154] CALL assume_abort_if_not(var_1_5 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_5 <= 1) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L155] var_1_6 = __VERIFIER_nondet_uchar() [L156] CALL assume_abort_if_not(var_1_6 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L156] RET assume_abort_if_not(var_1_6 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L157] CALL assume_abort_if_not(var_1_6 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not(var_1_6 <= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=2220610682, var_1_9=3786407275] [L158] var_1_8 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L160] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=3786407275] [L161] var_1_9 = __VERIFIER_nondet_ulong() [L162] CALL assume_abort_if_not(var_1_9 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_9 >= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L163] CALL assume_abort_if_not(var_1_9 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_9 <= 4294967295) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=64, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L164] var_1_12 = __VERIFIER_nondet_uchar() [L165] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L166] CALL assume_abort_if_not(var_1_12 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_12 <= 254) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=1, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L167] var_1_14 = __VERIFIER_nondet_long() [L168] CALL assume_abort_if_not(var_1_14 >= -2147483648) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not(var_1_14 >= -2147483648) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L169] CALL assume_abort_if_not(var_1_14 <= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L169] RET assume_abort_if_not(var_1_14 <= 2147483647) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L170] CALL assume_abort_if_not(var_1_14 != 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not(var_1_14 != 0) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3489174775, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L171] var_1_15 = __VERIFIER_nondet_ulong() [L172] CALL assume_abort_if_not(var_1_15 >= 3221225470) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not(var_1_15 >= 3221225470) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L173] CALL assume_abort_if_not(var_1_15 <= 4294967294) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L173] RET assume_abort_if_not(var_1_15 <= 4294967294) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=-16, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L174] var_1_17 = __VERIFIER_nondet_char() [L175] CALL assume_abort_if_not(var_1_17 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L175] RET assume_abort_if_not(var_1_17 >= -127) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L176] CALL assume_abort_if_not(var_1_17 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_17 <= 126) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_21=15/2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L177] var_1_21 = __VERIFIER_nondet_double() [L178] CALL assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L178] RET assume_abort_if_not((var_1_21 >= -922337.2036854776000e+13F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 9223372.036854776000e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_22=199/2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L179] var_1_22 = __VERIFIER_nondet_double() [L180] CALL assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not((var_1_22 >= -922337.2036854776000e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854776000e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_25=255/2, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L181] var_1_25 = __VERIFIER_nondet_double() [L182] CALL assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not((var_1_25 >= -922337.2036854776000e+13F && var_1_25 <= -1.0e-20F) || (var_1_25 <= 9223372.036854776000e+12F && var_1_25 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=33797, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L183] var_1_26 = __VERIFIER_nondet_ushort() [L184] CALL assume_abort_if_not(var_1_26 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L184] RET assume_abort_if_not(var_1_26 >= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L185] CALL assume_abort_if_not(var_1_26 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_26 <= 65534) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=27913, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L186] var_1_28 = __VERIFIER_nondet_ushort() [L187] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L187] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L188] CALL assume_abort_if_not(var_1_28 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_28 <= 32767) VAL [isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=64, var_1_1=64, var_1_20=2, var_1_23=500, var_1_24=5, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=2, var_1_3=0, var_1_5=1, var_1_6=0, var_1_7=5, var_1_8=4294967295, var_1_9=4294967295] [L205] RET updateVariables() [L206] CALL step() [L54] unsigned long int stepLocal_5 = var_1_9; [L55] unsigned long int stepLocal_4 = (((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))); [L56] COND FALSE !(last_1_var_1_30 >= stepLocal_5) [L67] var_1_23 = var_1_12 [L69] signed long int stepLocal_6 = -1; [L70] COND TRUE var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25))) [L71] var_1_24 = (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))) [L77] EXPR last_1_var_1_7 >> var_1_2 [L77] COND TRUE (last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24)))) [L78] var_1_7 = var_1_12 [L82] COND FALSE !(((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) [L85] var_1_1 = (var_1_2 - 8u) [L86] EXPR var_1_12 ^ var_1_7 [L86] signed long int stepLocal_1 = var_1_12 ^ var_1_7; [L87] signed long int stepLocal_0 = var_1_24 % var_1_14; [L88] COND TRUE stepLocal_0 > 16u [L89] COND FALSE !(var_1_14 < stepLocal_1) [L95] COND TRUE var_1_12 >= var_1_7 [L96] var_1_16 = var_1_17 [L98] unsigned char stepLocal_9 = var_1_6; [L99] unsigned short int stepLocal_8 = var_1_24; [L100] signed char stepLocal_7 = var_1_16; [L101] COND TRUE (last_1_var_1_30 / var_1_26) != stepLocal_8 [L102] COND TRUE var_1_23 <= stepLocal_7 [L103] var_1_30 = ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) [L116] COND TRUE ((- var_1_2) + var_1_7) != var_1_24 [L117] COND TRUE var_1_2 >= var_1_24 [L118] var_1_3 = 1 [L125] unsigned long int stepLocal_2 = var_1_2; [L126] COND TRUE var_1_8 > stepLocal_2 [L127] var_1_18 = (((((-32) > (var_1_12)) ? (-32) : (var_1_12))) + ((((var_1_20) < (last_1_var_1_18)) ? (var_1_20) : (last_1_var_1_18)))) [L135] unsigned char stepLocal_3 = var_1_12; [L136] COND TRUE \read(var_1_3) [L137] var_1_19 = var_1_17 [L206] RET step() [L207] CALL, EXPR property() [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR last_1_var_1_7 >> var_1_2 [L197] EXPR ((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR var_1_12 ^ var_1_7 [L197] EXPR ((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))) [L197] EXPR (((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7)))))) [L197-L198] return ((((((((((var_1_1 == ((unsigned long int) (var_1_2 - 8u))) && ((((- var_1_2) + var_1_7) != var_1_24) ? ((var_1_2 >= var_1_24) ? (var_1_3 == ((unsigned char) 1)) : (var_1_3 == ((unsigned char) var_1_5))) : (var_1_3 == ((unsigned char) var_1_6)))) && (((last_1_var_1_7 >> var_1_2) >= (((((var_1_8) < (var_1_9)) ? (var_1_8) : (var_1_9))) - ((((last_1_var_1_24) < (last_1_var_1_24)) ? (last_1_var_1_24) : (last_1_var_1_24))))) ? (var_1_7 == ((unsigned char) var_1_12)) : (var_1_7 == ((unsigned char) var_1_12)))) && (((var_1_24 % var_1_14) > 16u) ? ((var_1_14 < (var_1_12 ^ var_1_7)) ? (var_1_13 == ((unsigned long int) ((((((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) > (((var_1_15 - var_1_23) - var_1_24))) ? (((((var_1_7) > (var_1_2)) ? (var_1_7) : (var_1_2)))) : (((var_1_15 - var_1_23) - var_1_24)))))) : 1) : (var_1_13 == ((unsigned long int) ((((var_1_24) < (var_1_7)) ? (var_1_24) : (var_1_7))))))) && ((var_1_12 >= var_1_7) ? (var_1_16 == ((signed char) var_1_17)) : 1)) && ((var_1_8 > var_1_2) ? (var_1_18 == ((signed short int) (((((-32) > (var_1_12)) ? (-32) : (var_1_12))) + ((((var_1_20) < (last_1_var_1_18)) ? (var_1_20) : (last_1_var_1_18)))))) : (var_1_3 ? (var_1_18 == ((signed short int) var_1_12)) : (var_1_18 == ((signed short int) var_1_20))))) && (var_1_3 ? (var_1_19 == ((signed short int) var_1_17)) : ((var_1_12 < 100) ? (var_1_19 == ((signed short int) ((((var_1_17) < 0 ) ? -(var_1_17) : (var_1_17))))) : (var_1_5 ? (var_1_19 == ((signed short int) var_1_13)) : 1)))) && ((((((var_1_21) < (var_1_22)) ? (var_1_21) : (var_1_22))) >= (- 9.5)) ? (var_1_20 == ((signed short int) var_1_7)) : 1)) && ((last_1_var_1_30 >= var_1_9) ? (((last_1_var_1_30 / var_1_8) > ((((0u) < (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))) ? (0u) : (((((last_1_var_1_7) > (last_1_var_1_24)) ? (last_1_var_1_7) : (last_1_var_1_24))))))) ? (var_1_6 ? (var_1_23 == ((signed short int) var_1_12)) : (var_1_23 == ((signed short int) last_1_var_1_24))) : (var_1_23 == ((signed short int) var_1_17))) : (var_1_23 == ((signed short int) var_1_12)))) && ((var_1_22 <= ((((var_1_21) < (var_1_25)) ? (var_1_21) : (var_1_25)))) ? (var_1_24 == ((unsigned short int) (((((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) > (last_1_var_1_7)) ? ((var_1_26 - ((((last_1_var_1_24) < (var_1_12)) ? (last_1_var_1_24) : (var_1_12))))) : (last_1_var_1_7))))) : (((last_1_var_1_24 + (last_1_var_1_18 / 16)) < -1) ? (var_1_24 == ((unsigned short int) (((((((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) < (last_1_var_1_24)) ? (((((var_1_12) < 0 ) ? -(var_1_12) : (var_1_12)))) : (last_1_var_1_24))) + (((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))) - (last_1_var_1_7 + 2))))) : 1))) && (((last_1_var_1_30 / var_1_26) != var_1_24) ? ((var_1_23 <= var_1_16) ? (var_1_30 == ((signed long int) ((((var_1_28) < 0 ) ? -(var_1_28) : (var_1_28))))) : (((var_1_25 != (- 50.7)) && var_1_6) ? (var_1_6 ? (var_1_30 == ((signed long int) var_1_15)) : 1) : (var_1_30 == ((signed long int) var_1_7)))) : (var_1_30 == ((signed long int) var_1_7))) ; [L207] RET, EXPR property() [L207] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=4294967286, var_1_20=2, var_1_23=0, var_1_24=65534, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=32767, var_1_3=1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=4294967295, var_1_9=4294967295] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_18=0, last_1_var_1_24=5, last_1_var_1_30=2, last_1_var_1_7=5, var_1_12=0, var_1_13=100, var_1_14=2147483647, var_1_15=3221225470, var_1_16=1, var_1_17=1, var_1_18=0, var_1_19=1, var_1_1=4294967286, var_1_20=2, var_1_23=0, var_1_24=65534, var_1_26=65534, var_1_28=32767, var_1_2=4294967294, var_1_30=32767, var_1_3=1, var_1_5=1, var_1_6=0, var_1_7=0, var_1_8=4294967295, var_1_9=4294967295] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 49 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 1, TraceHistogramMax: 26, 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=49occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 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 [2023-11-25 00:04:09,486 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91 --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 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:04:12,333 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:04:12,472 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:04:12,482 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:04:12,483 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:04:12,533 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:04:12,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:04:12,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:04:12,536 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:04:12,542 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:04:12,543 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:04:12,543 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:04:12,544 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:04:12,546 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:04:12,546 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:04:12,547 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:04:12,548 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:04:12,548 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:04:12,549 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:04:12,550 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:04:12,551 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:04:12,551 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:04:12,552 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:04:12,552 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:04:12,552 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:04:12,553 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:04:12,553 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:04:12,554 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:04:12,554 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:04:12,554 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:04:12,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:04:12,556 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:04:12,556 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:04:12,557 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:04:12,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:12,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:04:12,558 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:04:12,558 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:04:12,558 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:04:12,559 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:04:12,559 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:04:12,560 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:04:12,560 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:04:12,560 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:04:12,561 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0bef9603856cb87254a0fac59ed35f7753088518d4df6d817dae75a7c6158cf8 [2023-11-25 00:04:13,026 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:04:13,060 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:04:13,064 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:04:13,065 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:04:13,069 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:04:13,071 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-25 00:04:16,312 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:04:16,656 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:04:16,657 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-25 00:04:16,670 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data/bc935bf24/e8d08ebc285f49618d66547b46a19d7d/FLAGa4210ed27 [2023-11-25 00:04:16,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/data/bc935bf24/e8d08ebc285f49618d66547b46a19d7d [2023-11-25 00:04:16,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:04:16,704 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:04:16,709 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:16,709 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:04:16,715 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:04:16,716 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:16" (1/1) ... [2023-11-25 00:04:16,717 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4752bf77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:16, skipping insertion in model container [2023-11-25 00:04:16,718 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:04:16" (1/1) ... [2023-11-25 00:04:16,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:04:16,997 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-25 00:04:17,139 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:17,157 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:04:17,171 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_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-61.i[916,929] [2023-11-25 00:04:17,287 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:04:17,338 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:04:17,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17 WrapperNode [2023-11-25 00:04:17,339 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:04:17,340 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:17,340 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:04:17,340 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:04:17,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,385 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,438 INFO L138 Inliner]: procedures = 27, calls = 39, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 192 [2023-11-25 00:04:17,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:04:17,441 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:04:17,442 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:04:17,442 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:04:17,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,452 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,466 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,468 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,491 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,495 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,499 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,502 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,508 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:04:17,509 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:04:17,510 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:04:17,510 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:04:17,511 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (1/1) ... [2023-11-25 00:04:17,517 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:04:17,531 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:17,545 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:04:17,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:04:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:04:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:04:17,607 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:04:17,607 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:04:17,608 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:04:17,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:04:17,717 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:04:17,722 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:04:18,634 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:04:18,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:04:18,717 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:04:18,717 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:18 BoogieIcfgContainer [2023-11-25 00:04:18,718 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:04:18,721 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:04:18,721 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:04:18,725 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:04:18,726 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:04:16" (1/3) ... [2023-11-25 00:04:18,727 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53052cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:18, skipping insertion in model container [2023-11-25 00:04:18,727 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:04:17" (2/3) ... [2023-11-25 00:04:18,728 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53052cee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:04:18, skipping insertion in model container [2023-11-25 00:04:18,728 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:04:18" (3/3) ... [2023-11-25 00:04:18,730 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-61.i [2023-11-25 00:04:18,756 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:04:18,756 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:04:18,818 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:04:18,826 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;@55de7567, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:04:18,826 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:04:18,831 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-25 00:04:18,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2023-11-25 00:04:18,857 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:18,858 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:18,860 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:18,868 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:18,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1052114038, now seen corresponding path program 1 times [2023-11-25 00:04:18,889 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:04:18,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2022032055] [2023-11-25 00:04:18,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:18,890 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 [2023-11-25 00:04:18,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:04:18,899 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:04:18,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:04:19,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:19,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:04:19,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:04:19,975 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:04:19,976 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:04:20,383 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-25 00:04:20,384 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:04:20,384 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2022032055] [2023-11-25 00:04:20,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2022032055] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:04:20,385 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1631183520] [2023-11-25 00:04:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:20,386 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:04:20,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:04:20,407 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:04:20,413 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-25 00:04:21,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:21,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-25 00:04:21,327 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:04:21,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:04:21,766 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:04:22,115 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-25 00:04:22,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1631183520] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:04:22,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [638280245] [2023-11-25 00:04:22,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:22,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:04:22,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:22,132 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:04:22,133 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-25 00:04:22,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:22,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-25 00:04:22,402 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:04:22,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 435 proven. 60 refuted. 0 times theorem prover too weak. 805 trivial. 0 not checked. [2023-11-25 00:04:22,902 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:04:23,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 15 proven. 60 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2023-11-25 00:04:23,263 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [638280245] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:04:23,263 INFO L185 FreeRefinementEngine]: Found 0 perfect and 6 imperfect interpolant sequences. [2023-11-25 00:04:23,264 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6, 6, 6, 6] total 8 [2023-11-25 00:04:23,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [951649322] [2023-11-25 00:04:23,269 INFO L85 oduleStraightlineAll]: Using 6 imperfect interpolants to construct interpolant automaton [2023-11-25 00:04:23,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-25 00:04:23,280 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:04:23,316 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-25 00:04:23,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-25 00:04:23,320 INFO L87 Difference]: Start difference. First operand has 79 states, 50 states have (on average 1.52) internal successors, (76), 51 states have internal predecessors, (76), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) Second operand has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-25 00:04:24,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:24,705 INFO L93 Difference]: Finished difference Result 245 states and 448 transitions. [2023-11-25 00:04:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-25 00:04:24,708 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) Word has length 164 [2023-11-25 00:04:24,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:24,727 INFO L225 Difference]: With dead ends: 245 [2023-11-25 00:04:24,727 INFO L226 Difference]: Without dead ends: 167 [2023-11-25 00:04:24,738 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 990 GetRequests, 970 SyntacticMatches, 3 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=112, Invalid=230, Unknown=0, NotChecked=0, Total=342 [2023-11-25 00:04:24,743 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 229 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 205 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 235 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 301 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 205 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:24,744 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [235 Valid, 288 Invalid, 301 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 205 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-25 00:04:24,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2023-11-25 00:04:24,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 86. [2023-11-25 00:04:24,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 57 states have (on average 1.368421052631579) internal successors, (78), 57 states have internal predecessors, (78), 26 states have call successors, (26), 2 states have call predecessors, (26), 2 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-25 00:04:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 130 transitions. [2023-11-25 00:04:24,843 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 130 transitions. Word has length 164 [2023-11-25 00:04:24,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:24,847 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 130 transitions. [2023-11-25 00:04:24,852 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.75) internal successors, (46), 8 states have internal predecessors, (46), 2 states have call successors, (46), 2 states have call predecessors, (46), 4 states have return successors, (47), 2 states have call predecessors, (47), 2 states have call successors, (47) [2023-11-25 00:04:24,852 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2023-11-25 00:04:24,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2023-11-25 00:04:24,863 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:24,864 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:24,880 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:25,088 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:25,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:25,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:04:25,481 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:25,481 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:25,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1078379113, now seen corresponding path program 1 times [2023-11-25 00:04:25,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:04:25,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1722481022] [2023-11-25 00:04:25,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:25,483 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 [2023-11-25 00:04:25,483 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:04:25,485 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:04:25,495 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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 [2023-11-25 00:04:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:25,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-25 00:04:25,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:04:27,811 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 584 proven. 105 refuted. 0 times theorem prover too weak. 611 trivial. 0 not checked. [2023-11-25 00:04:27,811 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:04:28,111 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:04:28,111 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1722481022] [2023-11-25 00:04:28,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1722481022] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:04:28,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1420015224] [2023-11-25 00:04:28,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:28,112 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:04:28,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:04:28,116 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:04:28,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-25 00:04:29,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:29,893 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-25 00:04:29,901 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:04:32,758 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 333 proven. 9 refuted. 0 times theorem prover too weak. 958 trivial. 0 not checked. [2023-11-25 00:04:32,758 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:04:38,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1420015224] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:04:38,041 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [515398020] [2023-11-25 00:04:38,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:38,042 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:04:38,042 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:04:38,044 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:04:38,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-25 00:04:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:04:38,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-25 00:04:38,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:04:42,930 INFO L134 CoverageAnalysis]: Checked inductivity of 1300 backedges. 542 proven. 123 refuted. 0 times theorem prover too weak. 635 trivial. 0 not checked. [2023-11-25 00:04:42,930 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:04:43,855 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [515398020] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-25 00:04:43,855 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-25 00:04:43,855 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 11] total 26 [2023-11-25 00:04:43,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759390020] [2023-11-25 00:04:43,856 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-25 00:04:43,859 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 27 states [2023-11-25 00:04:43,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:04:43,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2023-11-25 00:04:43,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=994, Unknown=0, NotChecked=0, Total=1122 [2023-11-25 00:04:43,863 INFO L87 Difference]: Start difference. First operand 86 states and 130 transitions. Second operand has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 26 states have internal predecessors, (127), 8 states have call successors, (78), 8 states have call predecessors, (78), 12 states have return successors, (78), 7 states have call predecessors, (78), 8 states have call successors, (78) [2023-11-25 00:04:54,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:04:54,002 INFO L93 Difference]: Finished difference Result 468 states and 686 transitions. [2023-11-25 00:04:54,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2023-11-25 00:04:54,020 INFO L78 Accepts]: Start accepts. Automaton has has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 26 states have internal predecessors, (127), 8 states have call successors, (78), 8 states have call predecessors, (78), 12 states have return successors, (78), 7 states have call predecessors, (78), 8 states have call successors, (78) Word has length 165 [2023-11-25 00:04:54,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:04:54,025 INFO L225 Difference]: With dead ends: 468 [2023-11-25 00:04:54,026 INFO L226 Difference]: Without dead ends: 383 [2023-11-25 00:04:54,030 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 586 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 9.1s TimeCoverageRelationStatistics Valid=760, Invalid=3400, Unknown=0, NotChecked=0, Total=4160 [2023-11-25 00:04:54,032 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 715 mSDsluCounter, 1327 mSDsCounter, 0 mSdLazyCounter, 1427 mSolverCounterSat, 265 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 715 SdHoareTripleChecker+Valid, 1435 SdHoareTripleChecker+Invalid, 1692 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 265 IncrementalHoareTripleChecker+Valid, 1427 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:04:54,033 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [715 Valid, 1435 Invalid, 1692 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [265 Valid, 1427 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-11-25 00:04:54,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2023-11-25 00:04:54,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 282. [2023-11-25 00:04:54,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 282 states, 191 states have (on average 1.3350785340314135) internal successors, (255), 191 states have internal predecessors, (255), 78 states have call successors, (78), 12 states have call predecessors, (78), 12 states have return successors, (78), 78 states have call predecessors, (78), 78 states have call successors, (78) [2023-11-25 00:04:54,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 282 states and 411 transitions. [2023-11-25 00:04:54,109 INFO L78 Accepts]: Start accepts. Automaton has 282 states and 411 transitions. Word has length 165 [2023-11-25 00:04:54,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:04:54,110 INFO L495 AbstractCegarLoop]: Abstraction has 282 states and 411 transitions. [2023-11-25 00:04:54,111 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 27 states, 27 states have (on average 4.703703703703703) internal successors, (127), 26 states have internal predecessors, (127), 8 states have call successors, (78), 8 states have call predecessors, (78), 12 states have return successors, (78), 7 states have call predecessors, (78), 8 states have call successors, (78) [2023-11-25 00:04:54,111 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 411 transitions. [2023-11-25 00:04:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-25 00:04:54,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:04:54,115 INFO L195 NwaCegarLoop]: trace histogram [26, 26, 26, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:04:54,134 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:54,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:54,534 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2023-11-25 00:04:54,728 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:04:54,729 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:04:54,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:04:54,730 INFO L85 PathProgramCache]: Analyzing trace with hash 68622468, now seen corresponding path program 1 times [2023-11-25 00:04:54,730 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:04:54,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1791704463] [2023-11-25 00:04:54,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:04:54,731 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 [2023-11-25 00:04:54,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:04:54,732 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/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) [2023-11-25 00:04:54,733 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e18420a4-f8d2-4b3b-866d-d0f2aa58482d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process