./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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 88a1f7ed5e0d2c96af62f2d6a2ad521a996c8bc6e246bd9c8c014c6e3d0cc5de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:53:52,806 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:53:52,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:53:52,937 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:53:52,938 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:53:52,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:53:52,977 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:53:52,978 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:53:52,979 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:53:52,984 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:53:52,984 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:53:52,986 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:53:52,986 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:53:52,988 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:53:52,989 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:53:52,989 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:53:52,990 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:53:52,990 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:53:52,992 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:53:52,993 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:53:52,993 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:53:52,994 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:53:52,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:53:52,995 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:53:52,996 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:53:52,996 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:53:52,997 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:53:52,997 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:53:52,998 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:53:52,998 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:53:53,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:53:53,000 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:53:53,000 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:53:53,001 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:53:53,001 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:53:53,001 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:53:53,002 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:53:53,002 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:53:53,002 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:53:53,003 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:53:53,003 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:53:53,003 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:53:53,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:53:53,004 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:53:53,005 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:53:53,005 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:53:53,005 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:53:53,005 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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88a1f7ed5e0d2c96af62f2d6a2ad521a996c8bc6e246bd9c8c014c6e3d0cc5de [2023-11-24 23:53:53,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:53:53,385 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:53:53,388 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:53:53,390 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:53:53,391 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:53:53,392 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i [2023-11-24 23:53:56,462 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:53:56,866 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:53:56,867 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i [2023-11-24 23:53:56,883 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data/9f1a51133/569999e11aa5492ba8298f8089532b09/FLAGf8dd77dee [2023-11-24 23:53:56,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data/9f1a51133/569999e11aa5492ba8298f8089532b09 [2023-11-24 23:53:56,916 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:53:56,918 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:53:56,922 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:56,922 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:53:56,928 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:53:56,929 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:56" (1/1) ... [2023-11-24 23:53:56,930 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dcb0536 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:56, skipping insertion in model container [2023-11-24 23:53:56,931 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:53:56" (1/1) ... [2023-11-24 23:53:56,985 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:53:57,196 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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i[913,926] [2023-11-24 23:53:57,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:53:57,283 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:53:57,297 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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i[913,926] [2023-11-24 23:53:57,341 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:53:57,373 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:53:57,374 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57 WrapperNode [2023-11-24 23:53:57,375 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:53:57,376 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:53:57,377 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:53:57,377 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:53:57,386 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,398 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,441 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 173 [2023-11-24 23:53:57,446 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:53:57,447 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:53:57,447 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:53:57,448 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:53:57,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,456 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,459 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,459 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,470 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,474 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,479 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:53:57,485 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:53:57,485 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:53:57,485 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:53:57,486 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (1/1) ... [2023-11-24 23:53:57,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:53:57,524 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:53:57,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:53:57,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:53:57,586 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:53:57,586 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:53:57,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:53:57,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:53:57,682 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:53:57,685 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:53:58,082 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:53:58,314 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:53:58,314 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:53:58,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:58 BoogieIcfgContainer [2023-11-24 23:53:58,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:53:58,319 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:53:58,320 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:53:58,323 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:53:58,324 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:53:56" (1/3) ... [2023-11-24 23:53:58,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9fcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:58, skipping insertion in model container [2023-11-24 23:53:58,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:53:57" (2/3) ... [2023-11-24 23:53:58,343 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e9fcbc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:53:58, skipping insertion in model container [2023-11-24 23:53:58,343 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:58" (3/3) ... [2023-11-24 23:53:58,345 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-55.i [2023-11-24 23:53:58,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:53:58,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:53:58,434 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:53:58,441 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;@3055e775, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:53:58,441 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:53:58,446 INFO L276 IsEmpty]: Start isEmpty. Operand has 57 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-24 23:53:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2023-11-24 23:53:58,463 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:53:58,464 INFO L195 NwaCegarLoop]: trace histogram [31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:53:58,465 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:53:58,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:53:58,471 INFO L85 PathProgramCache]: Analyzing trace with hash -1075983748, now seen corresponding path program 1 times [2023-11-24 23:53:58,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:53:58,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125171471] [2023-11-24 23:53:58,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:58,483 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:53:58,784 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:53:58,804 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1999623704] [2023-11-24 23:53:58,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:53:58,805 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:53:58,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:53:58,810 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:53:58,818 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:53:59,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:53:59,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:53:59,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:53:59,417 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:53:59,420 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:53:59,422 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:53:59,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:53:59,633 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-24 23:53:59,638 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:53:59,642 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:53:59,773 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:53:59 BoogieIcfgContainer [2023-11-24 23:53:59,773 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:53:59,774 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:53:59,774 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:53:59,775 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:53:59,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:53:58" (3/4) ... [2023-11-24 23:53:59,778 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:53:59,779 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:53:59,781 INFO L158 Benchmark]: Toolchain (without parser) took 2861.97ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 104.2MB in the beginning and 97.8MB in the end (delta: 6.4MB). Peak memory consumption was 49.0MB. Max. memory is 16.1GB. [2023-11-24 23:53:59,781 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:53:59,782 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.34ms. Allocated memory is still 136.3MB. Free memory was 103.8MB in the beginning and 90.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:53:59,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.41ms. Allocated memory is still 136.3MB. Free memory was 90.1MB in the beginning and 87.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:53:59,784 INFO L158 Benchmark]: Boogie Preprocessor took 36.57ms. Allocated memory is still 136.3MB. Free memory was 87.4MB in the beginning and 85.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:53:59,785 INFO L158 Benchmark]: RCFGBuilder took 832.37ms. Allocated memory is still 136.3MB. Free memory was 85.6MB in the beginning and 105.2MB in the end (delta: -19.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. [2023-11-24 23:53:59,786 INFO L158 Benchmark]: TraceAbstraction took 1454.08ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 104.5MB in the beginning and 97.8MB in the end (delta: 6.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. [2023-11-24 23:53:59,786 INFO L158 Benchmark]: Witness Printer took 5.29ms. Allocated memory is still 176.2MB. Free memory is still 97.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:53:59,791 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 113.2MB. Free memory is still 68.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.34ms. Allocated memory is still 136.3MB. Free memory was 103.8MB in the beginning and 90.1MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.41ms. Allocated memory is still 136.3MB. Free memory was 90.1MB in the beginning and 87.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 36.57ms. Allocated memory is still 136.3MB. Free memory was 87.4MB in the beginning and 85.6MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 832.37ms. Allocated memory is still 136.3MB. Free memory was 85.6MB in the beginning and 105.2MB in the end (delta: -19.5MB). Peak memory consumption was 39.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1454.08ms. Allocated memory was 136.3MB in the beginning and 176.2MB in the end (delta: 39.8MB). Free memory was 104.5MB in the beginning and 97.8MB in the end (delta: 6.7MB). Peak memory consumption was 47.4MB. Max. memory is 16.1GB. * Witness Printer took 5.29ms. Allocated memory is still 176.2MB. Free memory is still 97.8MB. 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 69, overapproximation of someBinaryArithmeticDOUBLEoperation at line 57. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 8.8; [L23] double var_1_6 = 127.5; [L24] double var_1_7 = 2.6; [L25] double var_1_8 = 4.5; [L26] signed short int var_1_9 = -128; [L27] signed short int var_1_10 = 16; [L28] signed short int var_1_11 = 4; [L29] signed short int var_1_12 = 100; [L30] signed short int var_1_13 = 64; [L31] signed short int var_1_14 = 2; [L32] signed long int var_1_15 = 5; [L33] signed char var_1_17 = -2; [L34] signed char var_1_18 = -4; [L35] signed char var_1_19 = 8; [L36] signed char var_1_20 = 10; [L37] unsigned long int var_1_21 = 25; [L38] unsigned long int var_1_22 = 3797799060; [L39] unsigned char var_1_23 = 1; [L40] unsigned char var_1_24 = 1; [L41] unsigned char var_1_25 = 0; [L42] unsigned char var_1_26 = 0; [L43] signed short int var_1_27 = -4; [L44] signed short int var_1_28 = 24644; [L45] signed char var_1_29 = 1; [L46] signed char var_1_30 = -1; [L47] unsigned char var_1_31 = 0; [L142] isInitial = 1 [L143] FCALL initially() [L144] COND TRUE 1 [L145] FCALL updateLastVariables() [L146] CALL updateVariables() [L86] var_1_6 = __VERIFIER_nondet_double() [L87] CALL assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_7=13/5, var_1_8=9/2, var_1_9=-128] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not((var_1_6 >= -461168.6018427382800e+13F && var_1_6 <= -1.0e-20F) || (var_1_6 <= 4611686.018427382800e+12F && var_1_6 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_7=13/5, var_1_8=9/2, var_1_9=-128] [L88] var_1_7 = __VERIFIER_nondet_double() [L89] CALL assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_8=9/2, var_1_9=-128] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((var_1_7 >= -461168.6018427382800e+13F && var_1_7 <= -1.0e-20F) || (var_1_7 <= 4611686.018427382800e+12F && var_1_7 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_8=9/2, var_1_9=-128] [L90] var_1_8 = __VERIFIER_nondet_double() [L91] CALL assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=16, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not((var_1_8 >= -461168.6018427382800e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 4611686.018427382800e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=16, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L92] var_1_10 = __VERIFIER_nondet_short() [L93] CALL assume_abort_if_not(var_1_10 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(var_1_10 >= -1) VAL [isInitial=1, var_1_10=32766, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L94] CALL assume_abort_if_not(var_1_10 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(var_1_10 <= 32766) VAL [isInitial=1, var_1_10=32766, var_1_11=4, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L95] var_1_11 = __VERIFIER_nondet_short() [L96] CALL assume_abort_if_not(var_1_11 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(var_1_11 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L97] CALL assume_abort_if_not(var_1_11 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_11 <= 32766) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=100, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L98] var_1_12 = __VERIFIER_nondet_short() [L99] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L100] CALL assume_abort_if_not(var_1_12 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_12 <= 16383) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=64, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L101] var_1_13 = __VERIFIER_nondet_short() [L102] CALL assume_abort_if_not(var_1_13 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(var_1_13 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L103] CALL assume_abort_if_not(var_1_13 <= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_13 <= 16383) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=2, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L104] var_1_14 = __VERIFIER_nondet_short() [L105] CALL assume_abort_if_not(var_1_14 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(var_1_14 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L106] CALL assume_abort_if_not(var_1_14 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_14 <= 32766) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=-4, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L107] var_1_18 = __VERIFIER_nondet_char() [L108] CALL assume_abort_if_not(var_1_18 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L108] RET assume_abort_if_not(var_1_18 >= -63) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L109] CALL assume_abort_if_not(var_1_18 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_18 <= 63) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=8, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L110] var_1_19 = __VERIFIER_nondet_char() [L111] CALL assume_abort_if_not(var_1_19 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(var_1_19 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L112] CALL assume_abort_if_not(var_1_19 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_19 <= 63) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=10, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L113] var_1_20 = __VERIFIER_nondet_char() [L114] CALL assume_abort_if_not(var_1_20 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L114] RET assume_abort_if_not(var_1_20 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L115] CALL assume_abort_if_not(var_1_20 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_20 <= 63) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3797799060, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L116] var_1_22 = __VERIFIER_nondet_ulong() [L117] CALL assume_abort_if_not(var_1_22 >= 3221225470) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L117] RET assume_abort_if_not(var_1_22 >= 3221225470) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L118] CALL assume_abort_if_not(var_1_22 <= 4294967294) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_22 <= 4294967294) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L119] var_1_24 = __VERIFIER_nondet_uchar() [L120] CALL assume_abort_if_not(var_1_24 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L120] RET assume_abort_if_not(var_1_24 >= 1) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L121] CALL assume_abort_if_not(var_1_24 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_24 <= 1) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=0, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L122] var_1_25 = __VERIFIER_nondet_uchar() [L123] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L123] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L124] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L125] var_1_26 = __VERIFIER_nondet_uchar() [L126] CALL assume_abort_if_not(var_1_26 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L126] RET assume_abort_if_not(var_1_26 >= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L127] CALL assume_abort_if_not(var_1_26 <= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_26 <= 0) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=24644, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L128] var_1_28 = __VERIFIER_nondet_short() [L129] CALL assume_abort_if_not(var_1_28 >= 16383) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L129] RET assume_abort_if_not(var_1_28 >= 16383) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L130] CALL assume_abort_if_not(var_1_28 <= 32766) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_28 <= 32766) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L131] var_1_30 = __VERIFIER_nondet_char() [L132] CALL assume_abort_if_not(var_1_30 >= -126) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L132] RET assume_abort_if_not(var_1_30 >= -126) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L133] CALL assume_abort_if_not(var_1_30 <= 126) VAL [\old(cond)=1, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not(var_1_30 <= 126) VAL [isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=-2, var_1_18=63, var_1_19=63, var_1_1=44/5, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=1, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-4, var_1_28=16383, var_1_29=1, var_1_30=-1, var_1_31=0, var_1_9=-128] [L146] RET updateVariables() [L147] CALL step() [L51] var_1_9 = (((((var_1_10 - var_1_11)) < (((var_1_12 + var_1_13) - var_1_14))) ? ((var_1_10 - var_1_11)) : (((var_1_12 + var_1_13) - var_1_14)))) [L52] var_1_17 = (var_1_18 + (var_1_19 - var_1_20)) [L53] var_1_29 = (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))) - var_1_20) [L54] var_1_31 = var_1_26 [L55] COND TRUE var_1_17 <= (var_1_17 * (var_1_29 * var_1_29)) [L56] COND FALSE !(var_1_29 > var_1_29) [L59] var_1_1 = var_1_8 [L64] COND FALSE !(\read(var_1_31)) [L67] var_1_23 = (var_1_24 && (var_1_25 && var_1_26)) [L69] COND FALSE !((- ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))) >= -0.875) [L76] var_1_27 = ((((var_1_29) < (var_1_28)) ? (var_1_29) : (var_1_28))) [L78] COND FALSE !(\read(var_1_23)) [L81] COND FALSE !(\read(var_1_23)) [L147] RET step() [L148] CALL, EXPR property() [L138-L139] return (((((((((var_1_17 <= (var_1_17 * (var_1_29 * var_1_29))) ? ((var_1_29 > var_1_29) ? (var_1_1 == ((double) (((((var_1_6) < (var_1_7)) ? (var_1_6) : (var_1_7))) + var_1_8))) : (var_1_1 == ((double) var_1_8))) : (var_1_1 == ((double) var_1_7))) && (var_1_9 == ((signed short int) (((((var_1_10 - var_1_11)) < (((var_1_12 + var_1_13) - var_1_14))) ? ((var_1_10 - var_1_11)) : (((var_1_12 + var_1_13) - var_1_14))))))) && (var_1_23 ? (var_1_15 == ((signed long int) (var_1_14 - var_1_13))) : 1)) && (var_1_17 == ((signed char) (var_1_18 + (var_1_19 - var_1_20))))) && (var_1_23 ? (var_1_21 == ((unsigned long int) ((var_1_22 - (1000000000u - var_1_13)) - var_1_14))) : 1)) && (var_1_31 ? (var_1_23 == ((unsigned char) (var_1_24 && var_1_25))) : (var_1_23 == ((unsigned char) (var_1_24 && (var_1_25 && var_1_26)))))) && (((- ((((var_1_1) < (var_1_8)) ? (var_1_1) : (var_1_8)))) >= -0.875) ? (var_1_31 ? (var_1_27 == ((signed short int) (var_1_19 - var_1_12))) : (var_1_27 == ((signed short int) (var_1_13 - (var_1_28 - (var_1_20 + var_1_19)))))) : (var_1_27 == ((signed short int) ((((var_1_29) < (var_1_28)) ? (var_1_29) : (var_1_28))))))) && (var_1_29 == ((signed char) (((((var_1_30) < 0 ) ? -(var_1_30) : (var_1_30))) - var_1_20)))) && (var_1_31 == ((unsigned char) var_1_26)) ; [L148] RET, EXPR property() [L148] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=124, var_1_18=63, var_1_19=63, var_1_1=2, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-1, var_1_28=16383, var_1_29=-1, var_1_30=-1, var_1_31=0, var_1_7=0, var_1_8=2, var_1_9=32766] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=32766, var_1_11=0, var_1_12=16383, var_1_13=16383, var_1_14=0, var_1_15=5, var_1_17=124, var_1_18=63, var_1_19=63, var_1_1=2, var_1_20=2, var_1_21=25, var_1_22=3221225470, var_1_23=0, var_1_24=1, var_1_25=1, var_1_26=0, var_1_27=-1, var_1_28=16383, var_1_29=-1, var_1_30=-1, var_1_31=0, var_1_7=0, var_1_8=2, var_1_9=32766] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 57 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 1, TraceHistogramMax: 31, 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=57occurred 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, 0.3s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 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 [2023-11-24 23:53:59,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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 88a1f7ed5e0d2c96af62f2d6a2ad521a996c8bc6e246bd9c8c014c6e3d0cc5de --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:54:02,773 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:54:02,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:54:02,924 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:54:02,925 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:54:02,979 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:54:02,980 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:54:02,981 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:54:02,983 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:54:02,989 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:54:02,989 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:54:02,990 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:54:02,991 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:54:02,993 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:54:02,994 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:54:02,994 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:54:02,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:54:02,997 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:54:02,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:54:02,999 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:54:02,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:54:03,000 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:54:03,001 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:54:03,002 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:54:03,003 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:54:03,003 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:54:03,004 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:54:03,004 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:54:03,005 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:54:03,006 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:54:03,007 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:54:03,008 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:54:03,008 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:54:03,009 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:54:03,009 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:03,010 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:54:03,010 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:54:03,010 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:54:03,011 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:54:03,012 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:54:03,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:54:03,013 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:54:03,013 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:54:03,014 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:54:03,014 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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 88a1f7ed5e0d2c96af62f2d6a2ad521a996c8bc6e246bd9c8c014c6e3d0cc5de [2023-11-24 23:54:03,477 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:54:03,513 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:54:03,516 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:54:03,518 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:54:03,520 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:54:03,522 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i [2023-11-24 23:54:07,062 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:54:07,343 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:54:07,344 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i [2023-11-24 23:54:07,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data/5d1871435/94fa5488576e48cfb3efa3ef0bc7b02e/FLAG991e71d23 [2023-11-24 23:54:07,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/data/5d1871435/94fa5488576e48cfb3efa3ef0bc7b02e [2023-11-24 23:54:07,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:54:07,374 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:54:07,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:07,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:54:07,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:54:07,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10394e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07, skipping insertion in model container [2023-11-24 23:54:07,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:54:07,589 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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i[913,926] [2023-11-24 23:54:07,654 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:07,671 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:54:07,685 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_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/sv-benchmarks/c/hardness-nfm22/hardness_fillercode_fillercodestructure_normal_file-55.i[913,926] [2023-11-24 23:54:07,747 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:54:07,775 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:54:07,776 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07 WrapperNode [2023-11-24 23:54:07,776 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:54:07,777 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:07,778 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:54:07,778 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:54:07,813 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,874 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 163 [2023-11-24 23:54:07,875 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:54:07,876 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:54:07,876 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:54:07,876 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:54:07,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,894 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,894 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,909 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,913 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,917 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,919 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,925 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:54:07,926 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:54:07,926 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:54:07,927 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:54:07,927 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (1/1) ... [2023-11-24 23:54:07,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:54:07,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:54:08,014 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:54:08,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:54:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:54:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:54:08,075 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:54:08,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:54:08,076 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:54:08,076 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:54:08,178 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:54:08,181 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:54:08,668 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:54:08,751 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:54:08,760 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:54:08,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:08 BoogieIcfgContainer [2023-11-24 23:54:08,761 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:54:08,763 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:54:08,764 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:54:08,767 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:54:08,767 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:54:07" (1/3) ... [2023-11-24 23:54:08,768 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d42a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:08, skipping insertion in model container [2023-11-24 23:54:08,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:54:07" (2/3) ... [2023-11-24 23:54:08,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@56d42a7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:54:08, skipping insertion in model container [2023-11-24 23:54:08,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:54:08" (3/3) ... [2023-11-24 23:54:08,770 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_fillercode_fillercodestructure_normal_file-55.i [2023-11-24 23:54:08,795 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:54:08,795 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:54:08,853 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:54:08,861 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;@6276755e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:54:08,862 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:54:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand has 68 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-24 23:54:08,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-24 23:54:08,887 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:08,888 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:08,889 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:08,895 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:08,896 INFO L85 PathProgramCache]: Analyzing trace with hash 1240210666, now seen corresponding path program 1 times [2023-11-24 23:54:08,915 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:54:08,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [783816171] [2023-11-24 23:54:08,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:08,917 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 [2023-11-24 23:54:08,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:54:08,924 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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) [2023-11-24 23:54:08,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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 [2023-11-24 23:54:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:09,239 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:54:09,255 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:54:09,374 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 816 proven. 0 refuted. 0 times theorem prover too weak. 1044 trivial. 0 not checked. [2023-11-24 23:54:09,375 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:54:09,376 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:54:09,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [783816171] [2023-11-24 23:54:09,377 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [783816171] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:09,377 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:54:09,377 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:54:09,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578143813] [2023-11-24 23:54:09,380 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:09,386 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:54:09,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:54:09,449 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:54:09,450 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:54:09,453 INFO L87 Difference]: Start difference. First operand has 68 states, 34 states have (on average 1.3529411764705883) internal successors, (46), 35 states have internal predecessors, (46), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) Second operand has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-24 23:54:09,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:09,599 INFO L93 Difference]: Finished difference Result 133 states and 245 transitions. [2023-11-24 23:54:09,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:54:09,607 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) Word has length 182 [2023-11-24 23:54:09,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:09,615 INFO L225 Difference]: With dead ends: 133 [2023-11-24 23:54:09,615 INFO L226 Difference]: Without dead ends: 66 [2023-11-24 23:54:09,620 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:54:09,624 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 3 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 99 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 3 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:09,625 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 99 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 3 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:54:09,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2023-11-24 23:54:09,676 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2023-11-24 23:54:09,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 33 states have (on average 1.2121212121212122) internal successors, (40), 33 states have internal predecessors, (40), 31 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-24 23:54:09,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 102 transitions. [2023-11-24 23:54:09,682 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 102 transitions. Word has length 182 [2023-11-24 23:54:09,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:09,683 INFO L495 AbstractCegarLoop]: Abstraction has 66 states and 102 transitions. [2023-11-24 23:54:09,683 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 17.0) internal successors, (34), 2 states have internal predecessors, (34), 2 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 2 states have call predecessors, (31), 2 states have call successors, (31) [2023-11-24 23:54:09,683 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 102 transitions. [2023-11-24 23:54:09,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-24 23:54:09,689 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:09,690 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:09,703 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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 [2023-11-24 23:54:09,897 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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 [2023-11-24 23:54:09,897 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:09,898 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:09,898 INFO L85 PathProgramCache]: Analyzing trace with hash -1438135004, now seen corresponding path program 1 times [2023-11-24 23:54:09,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:54:09,899 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1952004665] [2023-11-24 23:54:09,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:09,900 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 [2023-11-24 23:54:09,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:54:09,901 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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) [2023-11-24 23:54:09,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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)] Waiting until timeout for monitored process [2023-11-24 23:54:10,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:10,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:54:10,164 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:54:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 498 proven. 12 refuted. 0 times theorem prover too weak. 1350 trivial. 0 not checked. [2023-11-24 23:54:10,437 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:54:10,747 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 78 proven. 12 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-24 23:54:10,747 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:54:10,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1952004665] [2023-11-24 23:54:10,749 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1952004665] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-24 23:54:10,753 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [961181258] [2023-11-24 23:54:10,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:10,754 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:54:10,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:54:10,790 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:54:10,801 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:54:11,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:11,606 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:54:11,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:54:11,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-24 23:54:11,673 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:54:11,674 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [961181258] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:54:11,674 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-24 23:54:11,674 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 9 [2023-11-24 23:54:11,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [715374251] [2023-11-24 23:54:11,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:54:11,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:54:11,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:54:11,678 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:54:11,678 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:54:11,678 INFO L87 Difference]: Start difference. First operand 66 states and 102 transitions. Second operand has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-24 23:54:12,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:54:12,108 INFO L93 Difference]: Finished difference Result 204 states and 310 transitions. [2023-11-24 23:54:12,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:54:12,109 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) Word has length 182 [2023-11-24 23:54:12,114 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:54:12,123 INFO L225 Difference]: With dead ends: 204 [2023-11-24 23:54:12,123 INFO L226 Difference]: Without dead ends: 139 [2023-11-24 23:54:12,129 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 545 GetRequests, 536 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:54:12,132 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 144 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 299 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:54:12,133 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 299 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:54:12,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-24 23:54:12,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 74. [2023-11-24 23:54:12,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 40 states have (on average 1.225) internal successors, (49), 40 states have internal predecessors, (49), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2023-11-24 23:54:12,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 111 transitions. [2023-11-24 23:54:12,186 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 111 transitions. Word has length 182 [2023-11-24 23:54:12,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:54:12,189 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 111 transitions. [2023-11-24 23:54:12,189 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (31), 1 states have call predecessors, (31), 1 states have return successors, (31), 1 states have call predecessors, (31), 1 states have call successors, (31) [2023-11-24 23:54:12,190 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 111 transitions. [2023-11-24 23:54:12,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2023-11-24 23:54:12,202 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:54:12,203 INFO L195 NwaCegarLoop]: trace histogram [31, 31, 31, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:54:12,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:54:12,415 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 23:54:12,610 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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=3,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-24 23:54:12,611 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:54:12,613 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:54:12,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1436228380, now seen corresponding path program 1 times [2023-11-24 23:54:12,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:54:12,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [279229593] [2023-11-24 23:54:12,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:54:12,615 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 [2023-11-24 23:54:12,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:54:12,620 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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) [2023-11-24 23:54:12,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b8cccf0f-e976-4b6c-b1e7-4ae7b4b4ee18/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 [2023-11-24 23:54:13,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:54:13,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 292 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-24 23:54:13,818 INFO L285 TraceCheckSpWp]: Computing forward predicates...