./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.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_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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_305765e8-0cd4-4480-96bc-8dbf94b79665/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 f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:06,031 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:06,142 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:14:06,148 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:06,151 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:06,209 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:06,213 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:06,214 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:06,215 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:06,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:06,221 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:06,222 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:06,223 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:06,225 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:06,225 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:06,226 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:06,226 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:06,227 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:06,227 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:06,228 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:06,228 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:06,229 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:06,230 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:06,231 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:06,231 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:06,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:06,232 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:06,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:06,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:06,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:06,236 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:06,236 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:06,236 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:06,237 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:06,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:06,237 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:06,238 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:06,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:06,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:06,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:06,240 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:06,241 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:06,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:06,241 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:06,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:06,242 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:06,243 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:06,243 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_305765e8-0cd4-4480-96bc-8dbf94b79665/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 [2023-11-24 23:14:06,630 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:06,664 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:06,667 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:06,669 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:06,670 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:06,672 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-24 23:14:09,881 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:10,174 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:10,175 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-24 23:14:10,186 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data/39f831dde/199805bfca614e66b3629b412ef6a540/FLAG9378a4447 [2023-11-24 23:14:10,202 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data/39f831dde/199805bfca614e66b3629b412ef6a540 [2023-11-24 23:14:10,205 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:10,207 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:10,209 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:10,209 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:10,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:10,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,217 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2727387f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10, skipping insertion in model container [2023-11-24 23:14:10,217 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,254 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:10,420 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_305765e8-0cd4-4480-96bc-8dbf94b79665/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-24 23:14:10,495 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:10,509 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:10,525 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_305765e8-0cd4-4480-96bc-8dbf94b79665/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-24 23:14:10,585 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:10,612 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:10,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10 WrapperNode [2023-11-24 23:14:10,613 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:10,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:10,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:10,615 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:10,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,636 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,687 INFO L138 Inliner]: procedures = 26, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 227 [2023-11-24 23:14:10,688 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:10,688 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:10,689 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:10,689 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:10,699 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,717 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,721 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,725 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,727 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:10,733 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:10,733 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:10,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:10,734 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (1/1) ... [2023-11-24 23:14:10,753 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:10,787 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:10,812 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:10,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:10,866 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:10,866 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:10,869 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:10,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:11,090 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:11,092 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:11,561 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:11,941 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:11,942 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:11,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:11 BoogieIcfgContainer [2023-11-24 23:14:11,944 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:11,948 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:11,949 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:11,953 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:11,954 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:10" (1/3) ... [2023-11-24 23:14:11,955 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2905e6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:11, skipping insertion in model container [2023-11-24 23:14:11,956 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:10" (2/3) ... [2023-11-24 23:14:11,958 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2905e6b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:11, skipping insertion in model container [2023-11-24 23:14:11,958 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:11" (3/3) ... [2023-11-24 23:14:11,960 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-63.i [2023-11-24 23:14:11,985 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:11,985 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:12,063 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:12,072 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;@56608388, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:12,073 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:12,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 66 states, 27 states have (on average 1.1111111111111112) internal successors, (30), 28 states have internal predecessors, (30), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:14:12,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-24 23:14:12,100 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:12,101 INFO L195 NwaCegarLoop]: trace histogram [36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:12,102 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:12,112 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:12,113 INFO L85 PathProgramCache]: Analyzing trace with hash 1786148409, now seen corresponding path program 1 times [2023-11-24 23:14:12,125 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:12,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088688589] [2023-11-24 23:14:12,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:12,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:12,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:12,993 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:13,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:13,366 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:13,369 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:13,370 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:13,372 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:13,378 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:14:13,383 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:13,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:13 BoogieIcfgContainer [2023-11-24 23:14:13,562 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:13,564 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:13,564 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:13,565 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:13,565 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:11" (3/4) ... [2023-11-24 23:14:13,570 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:13,571 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:13,572 INFO L158 Benchmark]: Toolchain (without parser) took 3365.25ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 65.9MB in the end (delta: 80.3MB). Peak memory consumption was 77.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:13,573 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 94.4MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:13,575 INFO L158 Benchmark]: CACSL2BoogieTranslator took 404.81ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 132.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 23:14:13,576 INFO L158 Benchmark]: Boogie Procedure Inliner took 73.48ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 128.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:13,578 INFO L158 Benchmark]: Boogie Preprocessor took 43.93ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:13,582 INFO L158 Benchmark]: RCFGBuilder took 1210.86ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 96.7MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 23:14:13,584 INFO L158 Benchmark]: TraceAbstraction took 1614.05ms. Allocated memory is still 176.2MB. Free memory was 96.7MB in the beginning and 65.9MB in the end (delta: 30.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:13,584 INFO L158 Benchmark]: Witness Printer took 6.87ms. Allocated memory is still 176.2MB. Free memory is still 65.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:13,594 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 121.6MB. Free memory was 94.5MB in the beginning and 94.4MB in the end (delta: 70.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 404.81ms. Allocated memory is still 176.2MB. Free memory was 146.1MB in the beginning and 132.1MB in the end (delta: 14.0MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 73.48ms. Allocated memory is still 176.2MB. Free memory was 131.5MB in the beginning and 128.7MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.93ms. Allocated memory is still 176.2MB. Free memory was 128.7MB in the beginning and 126.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1210.86ms. Allocated memory is still 176.2MB. Free memory was 126.6MB in the beginning and 96.7MB in the end (delta: 29.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1614.05ms. Allocated memory is still 176.2MB. Free memory was 96.7MB in the beginning and 65.9MB in the end (delta: 30.8MB). Peak memory consumption was 31.2MB. Max. memory is 16.1GB. * Witness Printer took 6.87ms. Allocated memory is still 176.2MB. Free memory is still 65.9MB. 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 157, overapproximation of bitwiseOr at line 56, overapproximation of shiftRight at line 65, overapproximation of someBinaryArithmeticDOUBLEoperation at line 72, overapproximation of someBinaryDOUBLEComparisonOperation at line 72. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed long int var_1_1 = 64; [L23] unsigned long int var_1_2 = 50; [L24] unsigned long int var_1_3 = 8; [L25] signed long int var_1_4 = 25; [L26] signed long int var_1_5 = -100; [L27] signed long int var_1_6 = 8; [L28] unsigned char var_1_7 = 0; [L29] signed long int var_1_8 = 128; [L30] signed long int var_1_9 = 2; [L31] signed long int var_1_10 = 128; [L32] unsigned short int var_1_11 = 500; [L33] unsigned short int var_1_12 = 128; [L34] unsigned char var_1_13 = 64; [L35] unsigned char var_1_15 = 1; [L36] unsigned char var_1_16 = 8; [L37] double var_1_17 = 7.5; [L38] double var_1_18 = 31.125; [L39] double var_1_19 = 10.5; [L40] double var_1_20 = 0.0; [L41] double var_1_21 = 16.75; [L42] double var_1_22 = 2.5; [L43] double var_1_23 = 64.5; [L44] signed long int var_1_24 = 10; [L45] signed long int var_1_25 = -64; [L46] signed char var_1_26 = 16; [L47] signed char var_1_27 = 4; [L48] signed char var_1_28 = -10; [L49] float var_1_29 = 63.794; [L50] unsigned short int var_1_30 = 1; [L51] signed long int var_1_31 = -2; [L52] unsigned char var_1_32 = 64; [L161] isInitial = 1 [L162] FCALL initially() [L163] COND TRUE 1 [L164] FCALL updateLastVariables() [L165] CALL updateVariables() [L96] var_1_2 = __VERIFIER_nondet_ulong() [L97] CALL assume_abort_if_not(var_1_2 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(var_1_2 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L98] CALL assume_abort_if_not(var_1_2 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(var_1_2 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_3=8, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L99] var_1_3 = __VERIFIER_nondet_ulong() [L100] CALL assume_abort_if_not(var_1_3 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(var_1_3 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L101] CALL assume_abort_if_not(var_1_3 <= 4294967295) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(var_1_3 <= 4294967295) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=25, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L102] var_1_4 = __VERIFIER_nondet_long() [L103] CALL assume_abort_if_not(var_1_4 >= -1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(var_1_4 >= -1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L104] CALL assume_abort_if_not(var_1_4 <= 1073741823) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(var_1_4 <= 1073741823) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-100, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L105] var_1_5 = __VERIFIER_nondet_long() [L106] CALL assume_abort_if_not(var_1_5 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L106] RET assume_abort_if_not(var_1_5 >= -536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L107] CALL assume_abort_if_not(var_1_5 <= 536870912) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not(var_1_5 <= 536870912) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=8, var_1_7=0, var_1_8=128, var_1_9=2] [L108] var_1_6 = __VERIFIER_nondet_long() [L109] CALL assume_abort_if_not(var_1_6 >= -536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(var_1_6 >= -536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L110] CALL assume_abort_if_not(var_1_6 <= 536870911) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(var_1_6 <= 536870911) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L111] var_1_7 = __VERIFIER_nondet_uchar() [L112] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_8=128, var_1_9=2] [L113] CALL assume_abort_if_not(var_1_7 <= 1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L20] COND FALSE !(!cond) [L113] RET assume_abort_if_not(var_1_7 <= 1) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=128, var_1_9=2] [L114] var_1_8 = __VERIFIER_nondet_long() [L115] CALL assume_abort_if_not(var_1_8 >= -1) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L20] COND FALSE !(!cond) [L115] RET assume_abort_if_not(var_1_8 >= -1) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L116] CALL assume_abort_if_not(var_1_8 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L20] COND FALSE !(!cond) [L116] RET assume_abort_if_not(var_1_8 <= 2147483646) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=2] [L117] var_1_9 = __VERIFIER_nondet_long() [L118] CALL assume_abort_if_not(var_1_9 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L118] RET assume_abort_if_not(var_1_9 >= 0) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L119] CALL assume_abort_if_not(var_1_9 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L119] RET assume_abort_if_not(var_1_9 <= 2147483646) VAL [isInitial=1, var_1_10=128, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L120] var_1_10 = __VERIFIER_nondet_long() [L121] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L121] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L122] CALL assume_abort_if_not(var_1_10 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L122] RET assume_abort_if_not(var_1_10 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=128, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L123] var_1_12 = __VERIFIER_nondet_ushort() [L124] CALL assume_abort_if_not(var_1_12 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L124] RET assume_abort_if_not(var_1_12 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L125] CALL assume_abort_if_not(var_1_12 <= 65534) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L125] RET assume_abort_if_not(var_1_12 <= 65534) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=1, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L126] var_1_15 = __VERIFIER_nondet_uchar() [L127] CALL assume_abort_if_not(var_1_15 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L127] RET assume_abort_if_not(var_1_15 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L128] CALL assume_abort_if_not(var_1_15 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L128] RET assume_abort_if_not(var_1_15 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=8, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L129] var_1_16 = __VERIFIER_nondet_uchar() [L130] CALL assume_abort_if_not(var_1_16 >= 0) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L130] RET assume_abort_if_not(var_1_16 >= 0) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L131] CALL assume_abort_if_not(var_1_16 <= 254) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L131] RET assume_abort_if_not(var_1_16 <= 254) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_18=249/8, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L132] var_1_18 = __VERIFIER_nondet_double() [L133] CALL assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L133] RET assume_abort_if_not((var_1_18 >= 0.0F && var_1_18 <= -1.0e-20F) || (var_1_18 <= 4611686.018427382800e+12F && var_1_18 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_19=21/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L134] var_1_19 = __VERIFIER_nondet_double() [L135] CALL assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L135] RET assume_abort_if_not((var_1_19 >= 0.0F && var_1_19 <= -1.0e-20F) || (var_1_19 <= 4611686.018427382800e+12F && var_1_19 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_20=0, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L136] var_1_20 = __VERIFIER_nondet_double() [L137] CALL assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L137] RET assume_abort_if_not((var_1_20 >= 4611686.018427382800e+12F && var_1_20 <= -1.0e-20F) || (var_1_20 <= 9223372.036854765600e+12F && var_1_20 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_21=67/4, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L138] var_1_21 = __VERIFIER_nondet_double() [L139] CALL assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L139] RET assume_abort_if_not((var_1_21 >= 0.0F && var_1_21 <= -1.0e-20F) || (var_1_21 <= 4611686.018427382800e+12F && var_1_21 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_22=5/2, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L140] var_1_22 = __VERIFIER_nondet_double() [L141] CALL assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L141] RET assume_abort_if_not((var_1_22 >= -922337.2036854765600e+13F && var_1_22 <= -1.0e-20F) || (var_1_22 <= 9223372.036854765600e+12F && var_1_22 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_23=129/2, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L142] var_1_23 = __VERIFIER_nondet_double() [L143] CALL assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L143] RET assume_abort_if_not((var_1_23 >= -922337.2036854765600e+13F && var_1_23 <= -1.0e-20F) || (var_1_23 <= 9223372.036854765600e+12F && var_1_23 >= 1.0e-20F )) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=-64, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L144] var_1_25 = __VERIFIER_nondet_long() [L145] CALL assume_abort_if_not(var_1_25 >= -2147483647) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L145] RET assume_abort_if_not(var_1_25 >= -2147483647) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L146] CALL assume_abort_if_not(var_1_25 <= 2147483646) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L146] RET assume_abort_if_not(var_1_25 <= 2147483646) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=4, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L147] var_1_27 = __VERIFIER_nondet_char() [L148] CALL assume_abort_if_not(var_1_27 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L148] RET assume_abort_if_not(var_1_27 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L149] CALL assume_abort_if_not(var_1_27 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L149] RET assume_abort_if_not(var_1_27 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-10, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L150] var_1_28 = __VERIFIER_nondet_char() [L151] CALL assume_abort_if_not(var_1_28 >= -63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L151] RET assume_abort_if_not(var_1_28 >= -63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L152] CALL assume_abort_if_not(var_1_28 <= 63) VAL [\old(cond)=1, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L20] COND FALSE !(!cond) [L152] RET assume_abort_if_not(var_1_28 <= 63) VAL [isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=64, var_1_15=250, var_1_16=250, var_1_17=15/2, var_1_1=64, var_1_24=10, var_1_25=2147483646, var_1_26=16, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_30=1, var_1_31=-2, var_1_32=64, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L165] RET updateVariables() [L166] CALL step() [L56] EXPR (var_1_2 + 4u) | var_1_3 [L56] COND TRUE 32u < ((var_1_2 + 4u) | var_1_3) [L57] var_1_1 = (var_1_4 + (var_1_5 + var_1_6)) [L65] EXPR var_1_9 >> var_1_4 [L65] COND TRUE (var_1_9 >> var_1_4) < var_1_1 [L66] var_1_11 = var_1_12 [L68] COND TRUE var_1_2 != var_1_11 [L69] var_1_13 = ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))) [L71] COND FALSE !(\read(var_1_7)) [L74] var_1_17 = var_1_22 [L76] COND TRUE ! var_1_7 [L77] var_1_24 = (var_1_11 - ((((((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) < ((var_1_13 + var_1_15))) ? (((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) : ((var_1_13 + var_1_15))))) [L85] COND TRUE var_1_8 >= var_1_1 [L86] var_1_26 = (var_1_27 + var_1_28) [L88] COND FALSE !(\read(var_1_7)) [L91] var_1_30 = var_1_12 [L92] var_1_31 = var_1_25 [L93] var_1_32 = var_1_16 [L166] RET step() [L167] CALL, EXPR property() [L157] EXPR (var_1_2 + 4u) | var_1_3 [L157] EXPR ((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1) [L157] EXPR var_1_9 >> var_1_4 [L157] EXPR ((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1) [L157-L158] return ((((((((((32u < ((var_1_2 + 4u) | var_1_3)) ? (var_1_1 == ((signed long int) (var_1_4 + (var_1_5 + var_1_6)))) : ((! var_1_7) ? (var_1_1 == ((signed long int) ((((var_1_4) < ((var_1_8 - var_1_9))) ? (var_1_4) : ((var_1_8 - var_1_9)))))) : (var_1_1 == ((signed long int) (var_1_9 - var_1_10))))) && (((var_1_9 >> var_1_4) < var_1_1) ? (var_1_11 == ((unsigned short int) var_1_12)) : 1)) && ((var_1_2 != var_1_11) ? (var_1_13 == ((unsigned char) ((((var_1_15) < (var_1_16)) ? (var_1_15) : (var_1_16))))) : 1)) && (var_1_7 ? (var_1_17 == ((double) ((((((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) < (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23))))) ? (((var_1_18 + var_1_19) - (var_1_20 - var_1_21))) : (((((var_1_22) > (var_1_23)) ? (var_1_22) : (var_1_23)))))))) : (var_1_17 == ((double) var_1_22)))) && ((! var_1_7) ? (var_1_24 == ((signed long int) (var_1_11 - ((((((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) < ((var_1_13 + var_1_15))) ? (((((var_1_9) > (var_1_12)) ? (var_1_9) : (var_1_12)))) : ((var_1_13 + var_1_15))))))) : ((var_1_10 < var_1_9) ? (var_1_24 == ((signed long int) -4)) : (var_1_24 == ((signed long int) var_1_25))))) && ((var_1_8 >= var_1_1) ? (var_1_26 == ((signed char) (var_1_27 + var_1_28))) : 1)) && (var_1_7 ? (var_1_29 == ((float) var_1_20)) : 1)) && (var_1_30 == ((unsigned short int) var_1_12))) && (var_1_31 == ((signed long int) var_1_25))) && (var_1_32 == ((unsigned char) var_1_16)) ; [L167] RET, EXPR property() [L167] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=250, var_1_15=250, var_1_16=250, var_1_17=2147483651, var_1_1=500, var_1_20=31897/500, var_1_22=2147483651, var_1_23=2147483651, var_1_24=0, var_1_25=2147483646, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_2=29, var_1_30=500, var_1_31=2147483646, var_1_32=250, var_1_3=33, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, var_1_10=1, var_1_11=500, var_1_12=500, var_1_13=250, var_1_15=250, var_1_16=250, var_1_17=2147483651, var_1_1=500, var_1_20=31897/500, var_1_22=2147483651, var_1_23=2147483651, var_1_24=0, var_1_25=2147483646, var_1_26=-126, var_1_27=-63, var_1_28=-63, var_1_29=31897/500, var_1_2=29, var_1_30=500, var_1_31=2147483646, var_1_32=250, var_1_3=33, var_1_4=1073741823, var_1_5=-536870911, var_1_6=-536870412, var_1_7=0, var_1_8=1073742324, var_1_9=501] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 66 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 1, TraceHistogramMax: 36, 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=66occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 133 NumberOfCodeBlocks, 133 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:14:13,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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_305765e8-0cd4-4480-96bc-8dbf94b79665/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 f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:16,513 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:16,672 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:14:16,683 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:16,684 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:16,736 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:16,737 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:16,737 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:16,739 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:16,745 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:16,745 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:16,746 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:16,747 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:16,749 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:16,749 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:16,750 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:16,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:16,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:16,753 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:16,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:16,755 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:16,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:16,756 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:16,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:16,757 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:16,757 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:16,758 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:16,759 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:16,759 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:16,760 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:16,762 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:16,762 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:16,762 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:16,763 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:16,764 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:16,764 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:16,765 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:16,765 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:16,766 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:16,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:16,768 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:16,768 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:16,769 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:16,769 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:16,770 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_305765e8-0cd4-4480-96bc-8dbf94b79665/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f1a09ba425945cf4f9921928f658b88dc5effcb9f7f5fceaede4a8dcd3ed2b53 [2023-11-24 23:14:17,274 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:17,306 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:17,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:17,311 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:17,311 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:17,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-24 23:14:20,486 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:20,773 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:20,774 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i [2023-11-24 23:14:20,794 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data/b9a27efb4/9ce14bb36df64f5792480ca56e4f210a/FLAGbb1989156 [2023-11-24 23:14:20,808 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/data/b9a27efb4/9ce14bb36df64f5792480ca56e4f210a [2023-11-24 23:14:20,811 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:20,813 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:20,814 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:20,814 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:20,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:20,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:20" (1/1) ... [2023-11-24 23:14:20,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41c5e44c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:20, skipping insertion in model container [2023-11-24 23:14:20,824 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:20" (1/1) ... [2023-11-24 23:14:20,868 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:21,061 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_305765e8-0cd4-4480-96bc-8dbf94b79665/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-24 23:14:21,201 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:21,231 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:21,307 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_305765e8-0cd4-4480-96bc-8dbf94b79665/sv-benchmarks/c/hardness-nfm22/hardness_codestructure_normal_file-63.i[913,926] [2023-11-24 23:14:21,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:21,399 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:21,399 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21 WrapperNode [2023-11-24 23:14:21,400 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:21,401 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:21,401 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:21,402 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:21,410 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,490 INFO L138 Inliner]: procedures = 27, calls = 49, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 188 [2023-11-24 23:14:21,492 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:21,492 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:21,493 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:21,493 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:21,503 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,503 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,519 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,529 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,557 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,561 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,579 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,582 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,587 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:21,588 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:21,588 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:21,589 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:21,590 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (1/1) ... [2023-11-24 23:14:21,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:21,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:21,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:21,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:21,686 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:21,687 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:21,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:21,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:21,822 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:21,826 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:26,405 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:26,491 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:26,491 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:26,492 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:26 BoogieIcfgContainer [2023-11-24 23:14:26,492 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:26,494 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:26,495 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:26,498 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:26,498 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:20" (1/3) ... [2023-11-24 23:14:26,499 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c13641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:26, skipping insertion in model container [2023-11-24 23:14:26,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:21" (2/3) ... [2023-11-24 23:14:26,500 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14c13641 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:26, skipping insertion in model container [2023-11-24 23:14:26,500 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:26" (3/3) ... [2023-11-24 23:14:26,502 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_codestructure_normal_file-63.i [2023-11-24 23:14:26,523 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:26,523 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:26,579 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:26,587 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;@3d387a23, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:26,588 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:26,594 INFO L276 IsEmpty]: Start isEmpty. Operand has 79 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:14:26,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-24 23:14:26,627 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:26,628 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:26,629 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:26,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:26,637 INFO L85 PathProgramCache]: Analyzing trace with hash -1504902004, now seen corresponding path program 1 times [2023-11-24 23:14:26,653 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:26,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [447909986] [2023-11-24 23:14:26,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:26,654 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:26,655 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:26,656 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:14:26,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:14:27,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:27,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:14:27,241 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:27,356 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 1174 proven. 0 refuted. 0 times theorem prover too weak. 1346 trivial. 0 not checked. [2023-11-24 23:14:27,357 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:27,357 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:27,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [447909986] [2023-11-24 23:14:27,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [447909986] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:27,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:27,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:14:27,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [267321295] [2023-11-24 23:14:27,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:27,370 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:14:27,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:27,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:14:27,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:27,420 INFO L87 Difference]: Start difference. First operand has 79 states, 40 states have (on average 1.35) internal successors, (54), 41 states have internal predecessors, (54), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) Second operand has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-24 23:14:29,600 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:29,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:29,601 INFO L93 Difference]: Finished difference Result 155 states and 286 transitions. [2023-11-24 23:14:29,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:14:29,633 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) Word has length 213 [2023-11-24 23:14:29,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:29,643 INFO L225 Difference]: With dead ends: 155 [2023-11-24 23:14:29,643 INFO L226 Difference]: Without dead ends: 77 [2023-11-24 23:14:29,648 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 212 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:29,652 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:29,654 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 118 Invalid, 3 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 1 Unknown, 0 Unchecked, 2.1s Time] [2023-11-24 23:14:29,672 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2023-11-24 23:14:29,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2023-11-24 23:14:29,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 39 states have (on average 1.2564102564102564) internal successors, (49), 39 states have internal predecessors, (49), 36 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:14:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 121 transitions. [2023-11-24 23:14:29,726 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 121 transitions. Word has length 213 [2023-11-24 23:14:29,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:29,727 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 121 transitions. [2023-11-24 23:14:29,728 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 20.0) internal successors, (40), 2 states have internal predecessors, (40), 2 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 2 states have call predecessors, (36), 2 states have call successors, (36) [2023-11-24 23:14:29,728 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-24 23:14:29,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-24 23:14:29,740 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:29,743 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:29,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:29,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:29,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:29,955 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:29,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1096220712, now seen corresponding path program 1 times [2023-11-24 23:14:29,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:29,957 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [573883720] [2023-11-24 23:14:29,957 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:29,957 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:29,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:29,959 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:14:29,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:14:30,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:30,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:14:30,528 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:30,583 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-24 23:14:30,584 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:30,584 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:30,585 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [573883720] [2023-11-24 23:14:30,585 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [573883720] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:30,585 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:30,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:30,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1328560124] [2023-11-24 23:14:30,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:30,589 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:30,589 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:30,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:30,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:30,591 INFO L87 Difference]: Start difference. First operand 77 states and 121 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:14:32,736 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:35,007 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:37,326 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:39,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:39,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:39,379 INFO L93 Difference]: Finished difference Result 184 states and 287 transitions. [2023-11-24 23:14:39,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:39,380 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 213 [2023-11-24 23:14:39,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:39,384 INFO L225 Difference]: With dead ends: 184 [2023-11-24 23:14:39,384 INFO L226 Difference]: Without dead ends: 108 [2023-11-24 23:14:39,386 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:39,387 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 39 mSDsluCounter, 107 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 6 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 228 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:39,388 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 228 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 12 Invalid, 4 Unknown, 0 Unchecked, 8.8s Time] [2023-11-24 23:14:39,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-24 23:14:39,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 105. [2023-11-24 23:14:39,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 56 states have (on average 1.25) internal successors, (70), 57 states have internal predecessors, (70), 46 states have call successors, (46), 2 states have call predecessors, (46), 2 states have return successors, (46), 45 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-24 23:14:39,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 162 transitions. [2023-11-24 23:14:39,417 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 162 transitions. Word has length 213 [2023-11-24 23:14:39,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:39,419 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 162 transitions. [2023-11-24 23:14:39,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:14:39,420 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 162 transitions. [2023-11-24 23:14:39,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-24 23:14:39,424 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:39,425 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:39,437 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:39,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:39,635 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:39,636 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:39,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1096161130, now seen corresponding path program 1 times [2023-11-24 23:14:39,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:39,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1701265486] [2023-11-24 23:14:39,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:39,637 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:39,638 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:39,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:14:39,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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)] Waiting until timeout for monitored process [2023-11-24 23:14:40,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:40,134 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 23:14:40,141 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:40,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2520 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2520 trivial. 0 not checked. [2023-11-24 23:14:40,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:40,205 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:40,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1701265486] [2023-11-24 23:14:40,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1701265486] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:40,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:40,206 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-24 23:14:40,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043351386] [2023-11-24 23:14:40,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:40,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:14:40,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:40,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:14:40,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:40,209 INFO L87 Difference]: Start difference. First operand 105 states and 162 transitions. Second operand has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:14:42,371 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:44,748 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:46,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:48,706 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.96s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:14:48,763 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:48,763 INFO L93 Difference]: Finished difference Result 219 states and 334 transitions. [2023-11-24 23:14:48,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:14:48,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) Word has length 213 [2023-11-24 23:14:48,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:48,768 INFO L225 Difference]: With dead ends: 219 [2023-11-24 23:14:48,768 INFO L226 Difference]: Without dead ends: 115 [2023-11-24 23:14:48,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 211 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:14:48,771 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 43 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 3 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 8.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 8.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:48,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 259 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 16 Invalid, 3 Unknown, 0 Unchecked, 8.5s Time] [2023-11-24 23:14:48,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-11-24 23:14:48,789 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 90. [2023-11-24 23:14:48,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 51 states have (on average 1.2549019607843137) internal successors, (64), 51 states have internal predecessors, (64), 36 states have call successors, (36), 2 states have call predecessors, (36), 2 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2023-11-24 23:14:48,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 136 transitions. [2023-11-24 23:14:48,796 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 136 transitions. Word has length 213 [2023-11-24 23:14:48,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:48,797 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 136 transitions. [2023-11-24 23:14:48,797 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 1 states have call predecessors, (36), 1 states have call successors, (36) [2023-11-24 23:14:48,798 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 136 transitions. [2023-11-24 23:14:48,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2023-11-24 23:14:48,802 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:48,802 INFO L195 NwaCegarLoop]: trace histogram [36, 36, 36, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:14:48,818 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/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)] Forceful destruction successful, exit code 0 [2023-11-24 23:14:49,008 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:49,008 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:49,009 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:49,009 INFO L85 PathProgramCache]: Analyzing trace with hash 678846232, now seen corresponding path program 1 times [2023-11-24 23:14:49,010 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:49,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [391678804] [2023-11-24 23:14:49,011 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:49,011 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:14:49,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:49,012 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:14:49,021 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_305765e8-0cd4-4480-96bc-8dbf94b79665/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-24 23:14:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:49,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:14:49,632 INFO L285 TraceCheckSpWp]: Computing forward predicates...