./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.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_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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_399743ed-2f9c-43a1-b1bc-4a879615a19d/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 031eee2265093292144122e0f1a293b04b1caeff9c992804964b82eb079f4a31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:34,306 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:34,431 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:06:34,437 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:34,438 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:34,464 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:34,464 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:34,465 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:34,466 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:34,466 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:34,467 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:34,467 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:34,468 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:34,468 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:06:34,469 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:34,469 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:34,470 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:06:34,470 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:06:34,471 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:34,471 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:06:34,472 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:06:34,472 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:06:34,473 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:34,474 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:34,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:34,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:06:34,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:34,475 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:34,475 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:34,476 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:34,476 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:34,477 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:34,477 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:34,477 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:34,477 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:34,478 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:34,478 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:34,478 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:34,478 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:34,478 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:34,479 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:34,479 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:06:34,479 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:06:34,479 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:34,480 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:34,480 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:34,480 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:34,480 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_399743ed-2f9c-43a1-b1bc-4a879615a19d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031eee2265093292144122e0f1a293b04b1caeff9c992804964b82eb079f4a31 [2023-11-25 00:06:34,782 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:34,816 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:34,818 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:34,820 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:34,821 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:34,822 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i [2023-11-25 00:06:37,988 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:38,264 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:38,265 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i [2023-11-25 00:06:38,277 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data/37b66c65a/868028dc75414d5a80005c42ba37b3ed/FLAG77b750eb1 [2023-11-25 00:06:38,292 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data/37b66c65a/868028dc75414d5a80005c42ba37b3ed [2023-11-25 00:06:38,295 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:38,296 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:38,298 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:38,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:38,304 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:38,305 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,306 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e473d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38, skipping insertion in model container [2023-11-25 00:06:38,306 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,365 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:38,579 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_399743ed-2f9c-43a1-b1bc-4a879615a19d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i[916,929] [2023-11-25 00:06:38,722 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:38,739 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:38,753 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_399743ed-2f9c-43a1-b1bc-4a879615a19d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i[916,929] [2023-11-25 00:06:38,794 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:38,814 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:38,814 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38 WrapperNode [2023-11-25 00:06:38,814 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:38,816 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:38,816 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:38,816 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:38,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,851 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,900 INFO L138 Inliner]: procedures = 26, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 272 [2023-11-25 00:06:38,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:38,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:38,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:38,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:38,911 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,916 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,916 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,930 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,935 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,939 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,942 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,947 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:38,948 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:38,949 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:38,949 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:38,950 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (1/1) ... [2023-11-25 00:06:38,956 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:38,971 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:38,997 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:39,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:39,035 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:39,035 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:39,036 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:06:39,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:39,039 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:39,165 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:39,167 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:39,720 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:40,248 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:40,249 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:40,251 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:40 BoogieIcfgContainer [2023-11-25 00:06:40,251 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:40,256 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:40,256 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:40,260 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:40,261 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:38" (1/3) ... [2023-11-25 00:06:40,262 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5c7fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:40, skipping insertion in model container [2023-11-25 00:06:40,262 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:38" (2/3) ... [2023-11-25 00:06:40,264 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f5c7fdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:40, skipping insertion in model container [2023-11-25 00:06:40,265 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:40" (3/3) ... [2023-11-25 00:06:40,266 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-74.i [2023-11-25 00:06:40,288 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:40,288 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:40,364 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:40,372 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;@19b7e0b7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:40,374 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:40,378 INFO L276 IsEmpty]: Start isEmpty. Operand has 58 states, 24 states have (on average 1.125) internal successors, (27), 25 states have internal predecessors, (27), 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) [2023-11-25 00:06:40,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2023-11-25 00:06:40,404 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:40,406 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, 1] [2023-11-25 00:06:40,406 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:40,413 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:40,413 INFO L85 PathProgramCache]: Analyzing trace with hash -1554799749, now seen corresponding path program 1 times [2023-11-25 00:06:40,422 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:06:40,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [950161783] [2023-11-25 00:06:40,423 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:40,424 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:06:40,677 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:06:40,678 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1185457896] [2023-11-25 00:06:40,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:40,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:06:40,679 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:40,682 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:06:40,688 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:06:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:40,998 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:06:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:06:41,223 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:06:41,226 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:06:41,227 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:06:41,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2023-11-25 00:06:41,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:06:41,440 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:06:41,444 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:06:41,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:06:41 BoogieIcfgContainer [2023-11-25 00:06:41,635 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:06:41,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:06:41,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:06:41,636 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:06:41,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:40" (3/4) ... [2023-11-25 00:06:41,639 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:06:41,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:06:41,642 INFO L158 Benchmark]: Toolchain (without parser) took 3344.74ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 108.1MB in the beginning and 66.1MB in the end (delta: 41.9MB). Peak memory consumption was 70.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:41,642 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:41,644 INFO L158 Benchmark]: CACSL2BoogieTranslator took 516.77ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 92.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:41,645 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.86ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 88.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:06:41,650 INFO L158 Benchmark]: Boogie Preprocessor took 46.63ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-25 00:06:41,652 INFO L158 Benchmark]: RCFGBuilder took 1302.56ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 86.0MB in the beginning and 128.0MB in the end (delta: -42.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. [2023-11-25 00:06:41,653 INFO L158 Benchmark]: TraceAbstraction took 1379.65ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 66.1MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. [2023-11-25 00:06:41,654 INFO L158 Benchmark]: Witness Printer took 4.36ms. Allocated memory is still 172.0MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:06:41,662 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory is still 88.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 516.77ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 92.3MB in the end (delta: 15.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.86ms. Allocated memory is still 142.6MB. Free memory was 91.8MB in the beginning and 88.1MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.63ms. Allocated memory is still 142.6MB. Free memory was 88.1MB in the beginning and 86.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1302.56ms. Allocated memory was 142.6MB in the beginning and 172.0MB in the end (delta: 29.4MB). Free memory was 86.0MB in the beginning and 128.0MB in the end (delta: -42.0MB). Peak memory consumption was 49.7MB. Max. memory is 16.1GB. * TraceAbstraction took 1379.65ms. Allocated memory is still 172.0MB. Free memory was 127.0MB in the beginning and 66.1MB in the end (delta: 60.8MB). Peak memory consumption was 60.8MB. Max. memory is 16.1GB. * Witness Printer took 4.36ms. Allocated memory is still 172.0MB. Free memory is still 66.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 213, overapproximation of bitwiseOr at line 63, overapproximation of bitwiseAnd at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 94, overapproximation of someBinaryDOUBLEComparisonOperation at line 77. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] double var_1_1 = 16.66; [L23] unsigned char var_1_3 = 32; [L24] double var_1_4 = 49.275; [L25] double var_1_7 = 0.375; [L26] unsigned long int var_1_8 = 3826752623; [L27] signed char var_1_9 = 2; [L28] signed char var_1_10 = 64; [L29] signed char var_1_11 = -32; [L30] float var_1_12 = 1.4; [L31] float var_1_14 = 127.5; [L32] double var_1_15 = 50.5; [L33] double var_1_16 = 9.5; [L34] double var_1_17 = 0.0; [L35] double var_1_18 = 99.25; [L36] signed char var_1_19 = 0; [L37] signed char var_1_20 = -1; [L38] signed char var_1_21 = 5; [L39] unsigned char var_1_22 = 0; [L40] unsigned char var_1_25 = 1; [L41] signed long int var_1_26 = -128; [L42] signed long int var_1_27 = 4; [L43] unsigned char var_1_28 = 1; [L44] unsigned char var_1_30 = 0; [L45] signed char var_1_31 = -10; [L46] signed char var_1_32 = 1; [L47] signed char var_1_33 = -16; [L48] signed short int var_1_34 = -16; [L49] unsigned short int var_1_35 = 64; [L50] unsigned short int var_1_36 = 8; [L51] double last_1_var_1_1 = 16.66; [L52] float last_1_var_1_12 = 1.4; [L53] double last_1_var_1_15 = 50.5; [L54] signed long int last_1_var_1_26 = -128; [L55] unsigned char last_1_var_1_28 = 1; [L56] signed char last_1_var_1_31 = -10; [L57] signed short int last_1_var_1_34 = -16; [L217] isInitial = 1 [L218] FCALL initially() [L219] COND TRUE 1 [L220] CALL updateLastVariables() [L204] last_1_var_1_1 = var_1_1 [L205] last_1_var_1_12 = var_1_12 [L206] last_1_var_1_15 = var_1_15 [L207] last_1_var_1_26 = var_1_26 [L208] last_1_var_1_28 = var_1_28 [L209] last_1_var_1_31 = var_1_31 [L210] last_1_var_1_34 = var_1_34 [L220] RET updateLastVariables() [L221] CALL updateVariables() [L153] var_1_3 = __VERIFIER_nondet_uchar() [L154] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L20] COND FALSE !(!cond) [L154] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L155] CALL assume_abort_if_not(var_1_3 <= 127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L20] COND FALSE !(!cond) [L155] RET assume_abort_if_not(var_1_3 <= 127) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_4=1971/40, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L156] var_1_4 = __VERIFIER_nondet_double() [L157] CALL assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L20] COND FALSE !(!cond) [L157] RET assume_abort_if_not((var_1_4 >= -922337.2036854765600e+13F && var_1_4 <= -1.0e-20F) || (var_1_4 <= 9223372.036854765600e+12F && var_1_4 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=3826752623, var_1_9=2] [L158] var_1_8 = __VERIFIER_nondet_ulong() [L159] CALL assume_abort_if_not(var_1_8 >= 2147483647) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L159] RET assume_abort_if_not(var_1_8 >= 2147483647) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L160] CALL assume_abort_if_not(var_1_8 <= 4294967295) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L160] RET assume_abort_if_not(var_1_8 <= 4294967295) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=64, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L161] var_1_10 = __VERIFIER_nondet_char() [L162] CALL assume_abort_if_not(var_1_10 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L162] RET assume_abort_if_not(var_1_10 >= -127) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L163] CALL assume_abort_if_not(var_1_10 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L163] RET assume_abort_if_not(var_1_10 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=-32, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L164] var_1_11 = __VERIFIER_nondet_char() [L165] CALL assume_abort_if_not(var_1_11 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L165] RET assume_abort_if_not(var_1_11 >= -127) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L166] CALL assume_abort_if_not(var_1_11 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L166] RET assume_abort_if_not(var_1_11 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_14=255/2, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L167] var_1_14 = __VERIFIER_nondet_float() [L168] CALL assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L168] RET assume_abort_if_not((var_1_14 >= -922337.2036854765600e+13F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_16=19/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L169] var_1_16 = __VERIFIER_nondet_double() [L170] CALL assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L170] RET assume_abort_if_not((var_1_16 >= 0.0F && var_1_16 <= -1.0e-20F) || (var_1_16 <= 9223372.036854776000e+12F && var_1_16 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_17=0, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L171] var_1_17 = __VERIFIER_nondet_double() [L172] CALL assume_abort_if_not((var_1_17 >= 4611686.018427387900e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L172] RET assume_abort_if_not((var_1_17 >= 4611686.018427387900e+12F && var_1_17 <= -1.0e-20F) || (var_1_17 <= 9223372.036854776000e+12F && var_1_17 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_18=397/4, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L173] var_1_18 = __VERIFIER_nondet_double() [L174] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427387900e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L174] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427387900e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=-1, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L175] var_1_20 = __VERIFIER_nondet_char() [L176] CALL assume_abort_if_not(var_1_20 >= -1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L176] RET assume_abort_if_not(var_1_20 >= -1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L177] CALL assume_abort_if_not(var_1_20 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L177] RET assume_abort_if_not(var_1_20 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=5, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L178] var_1_21 = __VERIFIER_nondet_char() [L179] CALL assume_abort_if_not(var_1_21 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L179] RET assume_abort_if_not(var_1_21 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L180] CALL assume_abort_if_not(var_1_21 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L180] RET assume_abort_if_not(var_1_21 <= 126) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L181] var_1_25 = __VERIFIER_nondet_uchar() [L182] CALL assume_abort_if_not(var_1_25 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L182] RET assume_abort_if_not(var_1_25 >= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L183] CALL assume_abort_if_not(var_1_25 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L183] RET assume_abort_if_not(var_1_25 <= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=4, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L184] var_1_27 = __VERIFIER_nondet_long() [L185] CALL assume_abort_if_not(var_1_27 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L185] RET assume_abort_if_not(var_1_27 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L186] CALL assume_abort_if_not(var_1_27 <= 1073741823) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L186] RET assume_abort_if_not(var_1_27 <= 1073741823) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L187] var_1_30 = __VERIFIER_nondet_uchar() [L188] CALL assume_abort_if_not(var_1_30 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L188] RET assume_abort_if_not(var_1_30 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L189] CALL assume_abort_if_not(var_1_30 <= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L189] RET assume_abort_if_not(var_1_30 <= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=1, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L190] var_1_32 = __VERIFIER_nondet_char() [L191] CALL assume_abort_if_not(var_1_32 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L191] RET assume_abort_if_not(var_1_32 >= 0) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L192] CALL assume_abort_if_not(var_1_32 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L192] RET assume_abort_if_not(var_1_32 <= 63) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=-16, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L193] var_1_33 = __VERIFIER_nondet_char() [L194] CALL assume_abort_if_not(var_1_33 >= -63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L194] RET assume_abort_if_not(var_1_33 >= -63) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L195] CALL assume_abort_if_not(var_1_33 <= 63) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L195] RET assume_abort_if_not(var_1_33 <= 63) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=64, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L196] var_1_35 = __VERIFIER_nondet_ushort() [L197] CALL assume_abort_if_not(var_1_35 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L197] RET assume_abort_if_not(var_1_35 >= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L198] CALL assume_abort_if_not(var_1_35 <= 32768) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L198] RET assume_abort_if_not(var_1_35 <= 32768) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=8, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L199] var_1_36 = __VERIFIER_nondet_ushort() [L200] CALL assume_abort_if_not(var_1_36 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=32767, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L200] RET assume_abort_if_not(var_1_36 >= 1) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=32767, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L201] CALL assume_abort_if_not(var_1_36 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=32767, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L20] COND FALSE !(!cond) [L201] RET assume_abort_if_not(var_1_36 <= 32767) VAL [isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=7/5, var_1_15=101/2, var_1_19=0, var_1_1=833/50, var_1_20=0, var_1_21=0, var_1_22=0, var_1_25=1, var_1_26=-128, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=-10, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=32767, var_1_3=127, var_1_7=3/8, var_1_8=2147483648, var_1_9=2] [L221] RET updateVariables() [L222] CALL step() [L61] signed long int stepLocal_4 = last_1_var_1_31 * last_1_var_1_34; [L62] signed long int stepLocal_3 = ((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11; [L63] EXPR var_1_21 | last_1_var_1_34 [L63] unsigned char stepLocal_2 = (var_1_21 | last_1_var_1_34) == var_1_20; [L64] COND FALSE !(stepLocal_2 && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) [L75] var_1_22 = var_1_25 [L77] unsigned char stepLocal_6 = last_1_var_1_1 < (var_1_18 + 128.9f); [L78] signed long int stepLocal_5 = last_1_var_1_26; [L79] COND TRUE stepLocal_6 || (var_1_14 > (var_1_16 * last_1_var_1_12)) [L80] COND TRUE 16u <= stepLocal_5 [L81] var_1_28 = var_1_25 [L88] COND FALSE !(! var_1_28) [L91] COND TRUE \read(var_1_22) [L92] COND TRUE last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18)) [L93] COND TRUE \read(var_1_22) [L94] var_1_15 = ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))) [L102] var_1_19 = (var_1_20 - var_1_21) [L103] COND FALSE !((var_1_19 % (var_1_35 + var_1_36)) == var_1_27) [L108] var_1_26 = ((var_1_27 - var_1_34) + var_1_10) [L109] unsigned long int stepLocal_1 = ((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)); [L110] unsigned char stepLocal_0 = var_1_3; [L111] COND TRUE stepLocal_0 >= var_1_34 [L112] COND TRUE \read(var_1_28) [L113] COND TRUE (var_1_8 - (1212980845u - var_1_34)) >= stepLocal_1 [L114] var_1_7 = var_1_4 [L122] COND TRUE var_1_19 <= (128 - var_1_3) [L123] var_1_1 = var_1_4 [L129] COND TRUE \read(var_1_28) [L130] COND TRUE ((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12)))) [L131] COND TRUE (! var_1_28) || var_1_22 [L132] var_1_12 = 100000.6f [L142] COND TRUE var_1_22 || var_1_22 [L143] COND FALSE !(var_1_7 > var_1_17) [L146] var_1_31 = var_1_21 [L222] RET step() [L223] CALL, EXPR property() [L213] EXPR (((((((var_1_19 <= (128 - var_1_3)) ? (var_1_1 == ((double) var_1_4)) : ((var_1_22 || var_1_28) ? (var_1_1 == ((double) var_1_4)) : 1)) && ((var_1_3 >= var_1_34) ? (var_1_28 ? (((var_1_8 - (1212980845u - var_1_34)) >= (((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)))) ? (var_1_7 == ((double) var_1_4)) : 1) : (var_1_7 == ((double) var_1_4))) : (var_1_7 == ((double) var_1_4)))) && ((! var_1_28) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1)) && (var_1_28 ? ((((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12))))) ? (((! var_1_28) || var_1_22) ? (var_1_12 == ((float) 100000.6f)) : (var_1_12 == ((float) var_1_4))) : (var_1_12 == ((float) var_1_14))) : (var_1_12 == ((float) var_1_4)))) && (var_1_22 ? ((last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18))) ? (var_1_22 ? (var_1_15 == ((double) ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))))) : (var_1_15 == ((double) ((((var_1_14) > (63.25)) ? (var_1_14) : (63.25)))))) : 1) : (var_1_15 == ((double) 0.1)))) && (var_1_19 == ((signed char) (var_1_20 - var_1_21)))) && ((((var_1_21 | last_1_var_1_34) == var_1_20) && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) ? (((last_1_var_1_34 * (var_1_21 & last_1_var_1_34)) >= (last_1_var_1_31 * last_1_var_1_34)) ? ((last_1_var_1_34 > (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11)) ? (last_1_var_1_28 ? (var_1_22 == ((unsigned char) (! var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) [L213] EXPR var_1_21 | last_1_var_1_34 [L213] EXPR (((var_1_21 | last_1_var_1_34) == var_1_20) && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) ? (((last_1_var_1_34 * (var_1_21 & last_1_var_1_34)) >= (last_1_var_1_31 * last_1_var_1_34)) ? ((last_1_var_1_34 > (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11)) ? (last_1_var_1_28 ? (var_1_22 == ((unsigned char) (! var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25)) [L213] EXPR (((((((var_1_19 <= (128 - var_1_3)) ? (var_1_1 == ((double) var_1_4)) : ((var_1_22 || var_1_28) ? (var_1_1 == ((double) var_1_4)) : 1)) && ((var_1_3 >= var_1_34) ? (var_1_28 ? (((var_1_8 - (1212980845u - var_1_34)) >= (((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)))) ? (var_1_7 == ((double) var_1_4)) : 1) : (var_1_7 == ((double) var_1_4))) : (var_1_7 == ((double) var_1_4)))) && ((! var_1_28) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1)) && (var_1_28 ? ((((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12))))) ? (((! var_1_28) || var_1_22) ? (var_1_12 == ((float) 100000.6f)) : (var_1_12 == ((float) var_1_4))) : (var_1_12 == ((float) var_1_14))) : (var_1_12 == ((float) var_1_4)))) && (var_1_22 ? ((last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18))) ? (var_1_22 ? (var_1_15 == ((double) ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))))) : (var_1_15 == ((double) ((((var_1_14) > (63.25)) ? (var_1_14) : (63.25)))))) : 1) : (var_1_15 == ((double) 0.1)))) && (var_1_19 == ((signed char) (var_1_20 - var_1_21)))) && ((((var_1_21 | last_1_var_1_34) == var_1_20) && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) ? (((last_1_var_1_34 * (var_1_21 & last_1_var_1_34)) >= (last_1_var_1_31 * last_1_var_1_34)) ? ((last_1_var_1_34 > (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11)) ? (last_1_var_1_28 ? (var_1_22 == ((unsigned char) (! var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) [L213-L214] return (((((((((((var_1_19 <= (128 - var_1_3)) ? (var_1_1 == ((double) var_1_4)) : ((var_1_22 || var_1_28) ? (var_1_1 == ((double) var_1_4)) : 1)) && ((var_1_3 >= var_1_34) ? (var_1_28 ? (((var_1_8 - (1212980845u - var_1_34)) >= (((((- 128u)) < (var_1_3)) ? ((- 128u)) : (var_1_3)))) ? (var_1_7 == ((double) var_1_4)) : 1) : (var_1_7 == ((double) var_1_4))) : (var_1_7 == ((double) var_1_4)))) && ((! var_1_28) ? (var_1_9 == ((signed char) ((((var_1_10) < (var_1_11)) ? (var_1_10) : (var_1_11))))) : 1)) && (var_1_28 ? ((((((- var_1_7) < 0 ) ? -(- var_1_7) : (- var_1_7))) <= ((((var_1_4) < ((- last_1_var_1_12))) ? (var_1_4) : ((- last_1_var_1_12))))) ? (((! var_1_28) || var_1_22) ? (var_1_12 == ((float) 100000.6f)) : (var_1_12 == ((float) var_1_4))) : (var_1_12 == ((float) var_1_14))) : (var_1_12 == ((float) var_1_4)))) && (var_1_22 ? ((last_1_var_1_15 < (var_1_16 - (var_1_17 - var_1_18))) ? (var_1_22 ? (var_1_15 == ((double) ((((var_1_4) > ((255.4 - var_1_18))) ? (var_1_4) : ((255.4 - var_1_18)))))) : (var_1_15 == ((double) ((((var_1_14) > (63.25)) ? (var_1_14) : (63.25)))))) : 1) : (var_1_15 == ((double) 0.1)))) && (var_1_19 == ((signed char) (var_1_20 - var_1_21)))) && ((((var_1_21 | last_1_var_1_34) == var_1_20) && ((- var_1_8) <= ((((last_1_var_1_34) < 0 ) ? -(last_1_var_1_34) : (last_1_var_1_34))))) ? (((last_1_var_1_34 * (var_1_21 & last_1_var_1_34)) >= (last_1_var_1_31 * last_1_var_1_34)) ? ((last_1_var_1_34 > (((((var_1_20) < 0 ) ? -(var_1_20) : (var_1_20))) * var_1_11)) ? (last_1_var_1_28 ? (var_1_22 == ((unsigned char) (! var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25))) : 1) : (var_1_22 == ((unsigned char) var_1_25)))) && (var_1_26 == ((signed long int) ((var_1_27 - var_1_34) + var_1_10)))) && (((last_1_var_1_1 < (var_1_18 + 128.9f)) || (var_1_14 > (var_1_16 * last_1_var_1_12))) ? ((16u <= last_1_var_1_26) ? (var_1_28 == ((unsigned char) var_1_25)) : (var_1_28 == ((unsigned char) 0))) : (var_1_28 == ((unsigned char) var_1_30)))) && ((var_1_22 || var_1_22) ? ((var_1_7 > var_1_17) ? (var_1_31 == ((signed char) ((var_1_32 - 2) + var_1_33))) : (var_1_31 == ((signed char) var_1_21))) : (var_1_31 == ((signed char) var_1_11)))) && (((var_1_19 % (var_1_35 + var_1_36)) == var_1_27) ? (var_1_30 ? (var_1_34 == ((signed short int) var_1_10)) : 1) : 1) ; [L223] RET, EXPR property() [L223] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=500003/5, var_1_14=500003/5, var_1_15=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_22=1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=32767, var_1_3=127, var_1_4=2, var_1_7=2, var_1_8=2147483648, var_1_9=2] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_12=7/5, last_1_var_1_15=101/2, last_1_var_1_1=833/50, last_1_var_1_26=-128, last_1_var_1_28=1, last_1_var_1_31=-10, last_1_var_1_34=-16, var_1_10=-17, var_1_11=126, var_1_12=500003/5, var_1_14=500003/5, var_1_15=2, var_1_19=0, var_1_1=2, var_1_20=0, var_1_21=0, var_1_22=1, var_1_25=1, var_1_26=0, var_1_27=1, var_1_28=1, var_1_30=0, var_1_31=0, var_1_32=0, var_1_33=3, var_1_34=-16, var_1_35=1, var_1_36=32767, var_1_3=127, var_1_4=2, var_1_7=2, var_1_8=2147483648, var_1_9=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 58 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, 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=58occurred 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, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:06:41,719 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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_399743ed-2f9c-43a1-b1bc-4a879615a19d/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 031eee2265093292144122e0f1a293b04b1caeff9c992804964b82eb079f4a31 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:06:44,205 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:06:44,338 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:06:44,346 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:06:44,347 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:06:44,391 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:06:44,392 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:06:44,392 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:06:44,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:06:44,398 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:06:44,399 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:06:44,399 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:06:44,400 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:06:44,401 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:06:44,402 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:06:44,402 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:06:44,403 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:06:44,404 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:06:44,404 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:06:44,405 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:06:44,406 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:06:44,406 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:06:44,407 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:06:44,407 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:06:44,408 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:06:44,408 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:06:44,409 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:06:44,409 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:06:44,409 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:06:44,410 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:06:44,411 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:06:44,411 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:06:44,412 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:06:44,412 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:06:44,412 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:44,413 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:06:44,413 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:06:44,413 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:06:44,413 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:06:44,414 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:06:44,415 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:06:44,415 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:06:44,415 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:06:44,415 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:06:44,415 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_399743ed-2f9c-43a1-b1bc-4a879615a19d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 031eee2265093292144122e0f1a293b04b1caeff9c992804964b82eb079f4a31 [2023-11-25 00:06:44,830 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:06:44,855 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:06:44,858 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:06:44,859 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:06:44,862 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:06:44,864 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i [2023-11-25 00:06:48,035 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:06:48,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:06:48,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i [2023-11-25 00:06:48,356 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data/c57bbece6/28e39651f25a4da2929c36f137577cbf/FLAG2ee24de54 [2023-11-25 00:06:48,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/data/c57bbece6/28e39651f25a4da2929c36f137577cbf [2023-11-25 00:06:48,373 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:06:48,375 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:06:48,376 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:48,376 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:06:48,382 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:06:48,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,384 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55efc269 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48, skipping insertion in model container [2023-11-25 00:06:48,384 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,424 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:06:48,565 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_399743ed-2f9c-43a1-b1bc-4a879615a19d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i[916,929] [2023-11-25 00:06:48,652 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:48,669 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:06:48,682 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_399743ed-2f9c-43a1-b1bc-4a879615a19d/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_100-while_file-74.i[916,929] [2023-11-25 00:06:48,757 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:06:48,787 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:06:48,787 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48 WrapperNode [2023-11-25 00:06:48,787 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:06:48,789 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:48,789 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:06:48,789 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:06:48,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,836 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,930 INFO L138 Inliner]: procedures = 27, calls = 44, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 216 [2023-11-25 00:06:48,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:06:48,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:06:48,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:06:48,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:06:48,941 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,941 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,947 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:48,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:49,017 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:49,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:49,039 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:49,044 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:06:49,045 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:06:49,045 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:06:49,046 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:06:49,046 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (1/1) ... [2023-11-25 00:06:49,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:06:49,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:06:49,104 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:06:49,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:06:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:06:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:06:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:06:49,154 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:06:49,154 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:06:49,155 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:06:49,300 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:06:49,304 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:06:58,846 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:06:58,944 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:06:58,946 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:06:58,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:58 BoogieIcfgContainer [2023-11-25 00:06:58,947 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:06:58,950 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:06:58,952 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:06:58,955 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:06:58,955 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:06:48" (1/3) ... [2023-11-25 00:06:58,956 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4c76f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:58, skipping insertion in model container [2023-11-25 00:06:58,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:06:48" (2/3) ... [2023-11-25 00:06:58,961 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3c4c76f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:06:58, skipping insertion in model container [2023-11-25 00:06:58,961 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:06:58" (3/3) ... [2023-11-25 00:06:58,962 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_loopvsstraightlinecode_100-while_file-74.i [2023-11-25 00:06:58,977 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:06:58,977 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:06:59,025 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:06:59,032 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;@3fa55acc, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:06:59,033 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:06:59,037 INFO L276 IsEmpty]: Start isEmpty. Operand has 87 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 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) [2023-11-25 00:06:59,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-25 00:06:59,059 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:06:59,060 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:06:59,060 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:06:59,066 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:06:59,066 INFO L85 PathProgramCache]: Analyzing trace with hash 617230197, now seen corresponding path program 1 times [2023-11-25 00:06:59,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:06:59,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [141073899] [2023-11-25 00:06:59,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:06:59,082 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:06:59,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:06:59,085 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:06:59,094 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:06:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:06:59,959 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:06:59,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:00,086 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 860 proven. 0 refuted. 0 times theorem prover too weak. 1000 trivial. 0 not checked. [2023-11-25 00:07:00,097 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:00,098 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:00,098 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [141073899] [2023-11-25 00:07:00,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [141073899] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:00,099 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:07:00,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:07:00,101 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121259307] [2023-11-25 00:07:00,102 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:00,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:07:00,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:00,152 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:07:00,152 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:07:00,154 INFO L87 Difference]: Start difference. First operand has 87 states, 53 states have (on average 1.509433962264151) internal successors, (80), 54 states have internal predecessors, (80), 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 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-11-25 00:07:02,574 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:02,575 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:02,575 INFO L93 Difference]: Finished difference Result 171 states and 313 transitions. [2023-11-25 00:07:02,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:07:02,652 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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 190 [2023-11-25 00:07:02,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:02,661 INFO L225 Difference]: With dead ends: 171 [2023-11-25 00:07:02,661 INFO L226 Difference]: Without dead ends: 85 [2023-11-25 00:07:02,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 189 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:07:02,669 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:02,670 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 134 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.4s Time] [2023-11-25 00:07:02,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2023-11-25 00:07:02,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2023-11-25 00:07:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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) [2023-11-25 00:07:02,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 137 transitions. [2023-11-25 00:07:02,730 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 137 transitions. Word has length 190 [2023-11-25 00:07:02,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:02,731 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 137 transitions. [2023-11-25 00:07:02,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 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) [2023-11-25 00:07:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 137 transitions. [2023-11-25 00:07:02,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-25 00:07:02,737 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:02,737 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, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:02,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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)] Ended with exit code 0 [2023-11-25 00:07:02,949 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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 [2023-11-25 00:07:02,950 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:02,950 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:02,951 INFO L85 PathProgramCache]: Analyzing trace with hash -1905177809, now seen corresponding path program 1 times [2023-11-25 00:07:02,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:02,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1420359296] [2023-11-25 00:07:02,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:02,953 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:07:02,953 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:02,956 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:07:02,957 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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 [2023-11-25 00:07:03,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:03,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:07:03,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:05,705 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 963 proven. 72 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2023-11-25 00:07:05,705 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:07:06,597 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 51 proven. 39 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-25 00:07:06,598 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:06,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1420359296] [2023-11-25 00:07:06,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1420359296] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:07:06,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1748758170] [2023-11-25 00:07:06,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:06,606 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:07:06,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:07:06,612 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:07:06,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-25 00:07:08,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:08,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:07:08,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:10,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:07:10,462 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:10,462 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1748758170] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:10,463 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-25 00:07:10,463 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [9, 6] total 13 [2023-11-25 00:07:10,464 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548279586] [2023-11-25 00:07:10,464 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:10,466 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:07:10,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:10,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:07:10,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-25 00:07:10,468 INFO L87 Difference]: Start difference. First operand 85 states and 137 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2023-11-25 00:07:13,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:15,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:17,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:17,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:07:17,441 INFO L93 Difference]: Finished difference Result 253 states and 409 transitions. [2023-11-25 00:07:17,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:07:17,451 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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 190 [2023-11-25 00:07:17,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:07:17,457 INFO L225 Difference]: With dead ends: 253 [2023-11-25 00:07:17,457 INFO L226 Difference]: Without dead ends: 169 [2023-11-25 00:07:17,459 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 567 GetRequests, 555 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2023-11-25 00:07:17,461 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 42 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 13 mSolverCounterSat, 0 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 276 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 13 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.9s IncrementalHoareTripleChecker+Time [2023-11-25 00:07:17,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 276 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 13 Invalid, 3 Unknown, 0 Unchecked, 6.9s Time] [2023-11-25 00:07:17,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2023-11-25 00:07:17,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 167. [2023-11-25 00:07:17,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 102 states have (on average 1.4411764705882353) internal successors, (147), 102 states have internal predecessors, (147), 62 states have call successors, (62), 2 states have call predecessors, (62), 2 states have return successors, (62), 62 states have call predecessors, (62), 62 states have call successors, (62) [2023-11-25 00:07:17,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 271 transitions. [2023-11-25 00:07:17,509 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 271 transitions. Word has length 190 [2023-11-25 00:07:17,511 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:07:17,511 INFO L495 AbstractCegarLoop]: Abstraction has 167 states and 271 transitions. [2023-11-25 00:07:17,512 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 2 states have internal predecessors, (38), 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) [2023-11-25 00:07:17,512 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 271 transitions. [2023-11-25 00:07:17,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-25 00:07:17,516 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:07:17,517 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:07:17,539 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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 [2023-11-25 00:07:17,746 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:07:17,935 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/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_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt [2023-11-25 00:07:17,936 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:07:17,936 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:07:17,936 INFO L85 PathProgramCache]: Analyzing trace with hash -1434129518, now seen corresponding path program 1 times [2023-11-25 00:07:17,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:07:17,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1696676037] [2023-11-25 00:07:17,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:17,938 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:07:17,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:07:17,939 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:07:17,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-25 00:07:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:18,688 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:07:18,695 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:20,570 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 963 proven. 72 refuted. 0 times theorem prover too weak. 825 trivial. 0 not checked. [2023-11-25 00:07:20,570 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-25 00:07:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 51 proven. 39 refuted. 0 times theorem prover too weak. 1770 trivial. 0 not checked. [2023-11-25 00:07:21,475 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:07:21,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1696676037] [2023-11-25 00:07:21,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1696676037] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-25 00:07:21,476 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [139517162] [2023-11-25 00:07:21,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:07:21,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-25 00:07:21,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-25 00:07:21,478 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-25 00:07:21,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_399743ed-2f9c-43a1-b1bc-4a879615a19d/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-11-25 00:07:22,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:07:22,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 326 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:07:22,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:07:22,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1860 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1860 trivial. 0 not checked. [2023-11-25 00:07:22,532 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:07:22,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [139517162] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:07:22,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-25 00:07:22,533 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9, 6] total 14 [2023-11-25 00:07:22,533 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134559707] [2023-11-25 00:07:22,533 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:07:22,534 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:07:22,535 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:07:22,536 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:07:22,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2023-11-25 00:07:22,537 INFO L87 Difference]: Start difference. First operand 167 states and 271 transitions. Second operand has 4 states, 4 states have (on average 9.75) internal successors, (39), 4 states have internal predecessors, (39), 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) [2023-11-25 00:07:25,278 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:28,320 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.23s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:30,324 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:32,332 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:34,338 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-25 00:07:36,346 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers []