./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 e1928f1269d04d8b5de337525ff72bdfae3247245ae6db35e73e266008ad3a3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:35,001 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:35,123 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:14:35,131 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:35,132 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:35,172 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:35,173 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:35,173 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:35,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:35,179 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:35,180 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:35,181 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:35,181 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:35,183 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:14:35,183 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:35,184 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:35,184 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:14:35,184 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:14:35,185 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:35,185 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:14:35,186 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:14:35,186 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:14:35,187 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:35,188 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:35,188 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:35,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:14:35,189 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:35,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:35,190 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:35,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:35,191 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:35,191 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:35,192 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:35,192 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:35,192 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:35,192 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:35,192 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:35,193 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:35,193 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:35,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:35,193 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:35,194 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:14:35,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:14:35,194 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:35,195 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:35,195 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:35,195 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:35,195 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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1928f1269d04d8b5de337525ff72bdfae3247245ae6db35e73e266008ad3a3d [2023-11-24 23:14:35,508 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:35,545 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:35,548 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:35,550 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:35,551 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:35,552 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i [2023-11-24 23:14:38,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:39,004 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:39,005 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i [2023-11-24 23:14:39,024 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data/35bbfbc54/6e539f22f11848f39a5a163204a31cbb/FLAG91e5b3802 [2023-11-24 23:14:39,048 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data/35bbfbc54/6e539f22f11848f39a5a163204a31cbb [2023-11-24 23:14:39,054 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:39,056 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:39,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:39,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:39,067 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:39,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,069 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55168d20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39, skipping insertion in model container [2023-11-24 23:14:39,069 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,116 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:39,310 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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i[916,929] [2023-11-24 23:14:39,391 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:39,406 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:39,419 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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i[916,929] [2023-11-24 23:14:39,468 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:39,490 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:39,491 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39 WrapperNode [2023-11-24 23:14:39,491 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:39,493 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:39,493 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:39,493 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:39,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,577 INFO L138 Inliner]: procedures = 29, calls = 179, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 447 [2023-11-24 23:14:39,577 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:39,578 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:39,578 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:39,578 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:39,588 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,588 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,596 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,597 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,653 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,661 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,685 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:39,687 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:39,687 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:39,687 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:39,688 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (1/1) ... [2023-11-24 23:14:39,700 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:39,723 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:39,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:39,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:39,798 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:14:39,804 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:14:39,806 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:39,807 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:39,807 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:14:39,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:39,808 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:39,922 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:39,925 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:40,566 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:41,288 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:41,289 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:41,290 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:41 BoogieIcfgContainer [2023-11-24 23:14:41,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:41,294 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:41,294 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:41,299 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:41,299 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:39" (1/3) ... [2023-11-24 23:14:41,301 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c68d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:41, skipping insertion in model container [2023-11-24 23:14:41,302 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:39" (2/3) ... [2023-11-24 23:14:41,305 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c68d4be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:41, skipping insertion in model container [2023-11-24 23:14:41,305 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:41" (3/3) ... [2023-11-24 23:14:41,307 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-10.i [2023-11-24 23:14:41,332 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:41,333 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:41,404 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:41,412 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;@696d2887, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:41,413 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:41,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 25 states have (on average 1.12) internal successors, (28), 26 states have internal predecessors, (28), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:14:41,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2023-11-24 23:14:41,432 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:41,433 INFO L195 NwaCegarLoop]: trace histogram [19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:41,434 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:41,441 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:41,441 INFO L85 PathProgramCache]: Analyzing trace with hash -450602843, now seen corresponding path program 1 times [2023-11-24 23:14:41,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:14:41,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [471094771] [2023-11-24 23:14:41,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:41,455 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:14:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:44,135 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:14:46,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:14:46,271 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:14:46,274 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:14:46,275 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:14:46,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:14:46,282 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:14:46,287 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:14:46,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:14:46,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-24 23:14:46,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-24 23:14:46,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-24 23:14:46,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:14:46,381 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:14:46,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:14:46,382 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:14:46,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-24 23:14:46,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-24 23:14:46,384 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:14:46,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-24 23:14:46,390 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-24 23:14:46,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-24 23:14:46,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-24 23:14:46,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-24 23:14:46,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated [2023-11-24 23:14:46,391 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated [2023-11-24 23:14:46,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:14:46,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-24 23:14:46,393 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:14:46,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:14:46,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:14:46,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-24 23:14:46,394 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:14:46,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:14:46,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-24 23:14:46,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-24 23:14:46,396 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:14:46,398 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:14:46,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:14:46,399 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:14:46,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:14:46,400 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:14:46,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:14:46,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:14:46,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:14:46,401 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:14:46,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:14:46,402 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:14:46,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:14:46,403 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:14:46,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:14:46,404 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:14:46,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:14:46,406 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:14:46,410 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:14:46,413 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:14:46,414 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:14:46,415 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:14:46,418 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:14:46,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:14:46,419 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:14:46,420 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:14:46,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:14:46,421 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-24 23:14:46,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:14:46,422 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-24 23:14:46,423 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:14:46,424 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:14:46,425 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:14:46,426 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:14:46,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:14:46,428 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:14:46,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:14:46,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:14:46,430 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:14:46,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated [2023-11-24 23:14:46,431 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:14:46,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:14:46,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:14:46,432 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-24 23:14:46,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:14:46,433 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:14:46,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:14:46 BoogieIcfgContainer [2023-11-24 23:14:46,466 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:14:46,468 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:14:46,469 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:14:46,469 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:14:46,470 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:41" (3/4) ... [2023-11-24 23:14:46,475 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:14:46,476 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:14:46,478 INFO L158 Benchmark]: Toolchain (without parser) took 7421.87ms. Allocated memory was 144.7MB in the beginning and 310.4MB in the end (delta: 165.7MB). Free memory was 98.1MB in the beginning and 223.1MB in the end (delta: -124.9MB). Peak memory consumption was 43.1MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,479 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:46,480 INFO L158 Benchmark]: CACSL2BoogieTranslator took 431.33ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 83.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 84.67ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 79.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,482 INFO L158 Benchmark]: Boogie Preprocessor took 107.93ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 75.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,487 INFO L158 Benchmark]: RCFGBuilder took 1604.52ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 75.5MB in the beginning and 141.4MB in the end (delta: -65.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,489 INFO L158 Benchmark]: TraceAbstraction took 5172.34ms. Allocated memory was 195.0MB in the beginning and 310.4MB in the end (delta: 115.3MB). Free memory was 140.4MB in the beginning and 223.1MB in the end (delta: -82.7MB). Peak memory consumption was 154.8MB. Max. memory is 16.1GB. [2023-11-24 23:14:46,489 INFO L158 Benchmark]: Witness Printer took 8.21ms. Allocated memory is still 310.4MB. Free memory is still 223.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:14:46,497 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 144.7MB. Free memory is still 120.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 431.33ms. Allocated memory is still 144.7MB. Free memory was 97.9MB in the beginning and 83.1MB in the end (delta: 14.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 84.67ms. Allocated memory is still 144.7MB. Free memory was 82.9MB in the beginning and 79.1MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 107.93ms. Allocated memory is still 144.7MB. Free memory was 79.1MB in the beginning and 75.8MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1604.52ms. Allocated memory was 144.7MB in the beginning and 195.0MB in the end (delta: 50.3MB). Free memory was 75.5MB in the beginning and 141.4MB in the end (delta: -65.9MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB. * TraceAbstraction took 5172.34ms. Allocated memory was 195.0MB in the beginning and 310.4MB in the end (delta: 115.3MB). Free memory was 140.4MB in the beginning and 223.1MB in the end (delta: -82.7MB). Peak memory consumption was 154.8MB. Max. memory is 16.1GB. * Witness Printer took 8.21ms. Allocated memory is still 310.4MB. Free memory is still 223.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 66, overapproximation of someBinaryFLOATComparisonOperation at line 109, overapproximation of someUnaryDOUBLEoperation at line 64. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2] = { 0, 0 }; [L25-L27] double double_Array_0[2][2] = { {-0.8, 1000000.875}, {49.25, 9.15} }; [L28-L30] float float_Array_0[1] = { -0.5 }; [L31-L33] signed char signed_char_Array_0[5] = { 32, -10, 16, 2, 2 }; [L34-L36] signed long int signed_long_int_Array_0[2] = { 1000000000, 32 }; [L37-L39] unsigned long int unsigned_long_int_Array_0[2] = { 8, 5 }; [L40-L42] unsigned short int unsigned_short_int_Array_0[2] = { 58996, 32 }; [L43] double last_1_double_Array_0_1__1_ = 9.15; [L113] isInitial = 1 [L114] FCALL initially() [L115] COND TRUE 1 [L116] CALL updateLastVariables() [L106] EXPR double_Array_0[1][1] [L106] last_1_double_Array_0_1__1_ = double_Array_0[1][1] [L116] RET updateLastVariables() [L117] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L76] EXPR BOOL_unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L77] double_Array_0[0][0] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[0][0] [L78] EXPR double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F [L78] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) [L78] EXPR double_Array_0[0][0] [L78] EXPR double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F [L78] EXPR double_Array_0[0][0] [L78] EXPR double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F [L78] EXPR (double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L78] CALL assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((double_Array_0[0][0] >= -922337.2036854765600e+13F && double_Array_0[0][0] <= -1.0e-20F) || (double_Array_0[0][0] <= 9223372.036854765600e+12F && double_Array_0[0][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L79] double_Array_0[1][0] = __VERIFIER_nondet_double() [L80] EXPR double_Array_0[1][0] [L80] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L80] EXPR double_Array_0[1][0] [L80] EXPR double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F [L80] EXPR (double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L80] CALL assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((double_Array_0[1][0] >= 0.0F && double_Array_0[1][0] <= -1.0e-20F) || (double_Array_0[1][0] <= 9223372.036854776000e+12F && double_Array_0[1][0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L81] double_Array_0[0][1] = __VERIFIER_nondet_double() [L82] EXPR double_Array_0[0][1] [L82] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L82] EXPR double_Array_0[0][1] [L82] EXPR double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F [L82] EXPR (double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L82] CALL assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((double_Array_0[0][1] >= 0.0F && double_Array_0[0][1] <= -1.0e-20F) || (double_Array_0[0][1] <= 9223372.036854776000e+12F && double_Array_0[0][1] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L83] signed_char_Array_0[0] = __VERIFIER_nondet_char() [L84] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[0] >= -1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] EXPR signed_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L85] CALL assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_char_Array_0[0] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L86] signed_char_Array_0[2] = __VERIFIER_nondet_char() [L87] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L88] EXPR signed_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L88] CALL assume_abort_if_not(signed_char_Array_0[2] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_char_Array_0[2] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L89] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L90] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L90] CALL assume_abort_if_not(signed_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_char_Array_0[3] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L91] CALL assume_abort_if_not(signed_char_Array_0[3] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L91] RET assume_abort_if_not(signed_char_Array_0[3] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L92] signed_long_int_Array_0[0] = __VERIFIER_nondet_long() [L93] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L93] CALL assume_abort_if_not(signed_long_int_Array_0[0] >= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(signed_long_int_Array_0[0] >= 536870911) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] EXPR signed_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L94] CALL assume_abort_if_not(signed_long_int_Array_0[0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L94] RET assume_abort_if_not(signed_long_int_Array_0[0] <= 1073741823) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L95] unsigned_long_int_Array_0[0] = __VERIFIER_nondet_ulong() [L96] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L96] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_long_int_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] EXPR unsigned_long_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L97] CALL assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(unsigned_long_int_Array_0[0] <= 4294967294) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L98] unsigned_short_int_Array_0[0] = __VERIFIER_nondet_ushort() [L99] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L99] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_short_int_Array_0[0] >= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L100] EXPR unsigned_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L100] CALL assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(unsigned_short_int_Array_0[0] <= 65535) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L101] unsigned_short_int_Array_0[1] = __VERIFIER_nondet_ushort() [L102] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L102] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(unsigned_short_int_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L103] EXPR unsigned_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L103] CALL assume_abort_if_not(unsigned_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(unsigned_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L117] RET updateVariables() [L118] CALL step() [L47] EXPR unsigned_long_int_Array_0[0] [L47] unsigned_long_int_Array_0[1] = unsigned_long_int_Array_0[0] [L48] EXPR double_Array_0[0][0] [L48] float_Array_0[0] = double_Array_0[0][0] [L49] EXPR signed_char_Array_0[0] [L49] signed_char_Array_0[4] = signed_char_Array_0[0] [L50] EXPR BOOL_unsigned_char_Array_0[1] [L50] BOOL_unsigned_char_Array_0[0] = BOOL_unsigned_char_Array_0[1] [L51] EXPR signed_char_Array_0[4] [L51] signed char stepLocal_1 = signed_char_Array_0[4]; [L52] EXPR unsigned_short_int_Array_0[0] [L52] EXPR unsigned_short_int_Array_0[1] [L52] COND TRUE (- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= stepLocal_1 [L53] EXPR signed_char_Array_0[0] [L53] EXPR signed_char_Array_0[2] [L53] EXPR signed_char_Array_0[3] [L53] EXPR ((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3]) [L53] EXPR signed_char_Array_0[3] [L53] EXPR ((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3]) [L53] signed_char_Array_0[1] = (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))) [L57] BOOL_unsigned_char_Array_0[0] [L57] COND TRUE BOOL_unsigned_char_Array_0[0] [L58] EXPR signed_char_Array_0[0] [L58] EXPR signed_char_Array_0[3] [L58] signed_long_int_Array_0[1] = (signed_char_Array_0[0] - signed_char_Array_0[3]) [L62] EXPR signed_long_int_Array_0[1] [L62] signed long int stepLocal_0 = signed_long_int_Array_0[1]; [L63] EXPR unsigned_long_int_Array_0[1] [L63] COND FALSE !(stepLocal_0 < unsigned_long_int_Array_0[1]) [L66] EXPR double_Array_0[0][1] [L66] EXPR double_Array_0[1][0] [L66] COND TRUE (- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0]) [L67] EXPR double_Array_0[0][0] [L67] double_Array_0[1][1] = double_Array_0[0][0] [L118] RET step() [L119] CALL, EXPR property() [L109] EXPR unsigned_long_int_Array_0[1] [L109] EXPR unsigned_long_int_Array_0[0] [L109] EXPR (unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0])))) [L109] EXPR signed_long_int_Array_0[1] [L109] EXPR unsigned_long_int_Array_0[1] [L109] EXPR (signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))) [L109] EXPR double_Array_0[0][1] [L109] EXPR double_Array_0[1][0] [L109] EXPR ((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0])) [L109] EXPR double_Array_0[1][1] [L109] EXPR double_Array_0[0][0] [L109] EXPR ((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0])) [L109] EXPR (signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))) [L109] EXPR (unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0])))) [L109] EXPR ((unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))))) && (((- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= signed_char_Array_0[4]) ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))))) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[3])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[3])))))) [L109] EXPR (((unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))))) && (((- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= signed_char_Array_0[4]) ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))))) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[3])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[3]))))))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[0] - signed_char_Array_0[3]))) : (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[2] - ((signed_long_int_Array_0[0] - 4) + ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1])))))))) [L109] EXPR ((((unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))))) && (((- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= signed_char_Array_0[4]) ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))))) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[3])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[3]))))))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[0] - signed_char_Array_0[3]))) : (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[2] - ((signed_long_int_Array_0[0] - 4) + ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))))))) && (float_Array_0[0] == ((float) double_Array_0[0][0])) [L109] EXPR (((((unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))))) && (((- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= signed_char_Array_0[4]) ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))))) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[3])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[3]))))))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[0] - signed_char_Array_0[3]))) : (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[2] - ((signed_long_int_Array_0[0] - 4) + ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))))))) && (float_Array_0[0] == ((float) double_Array_0[0][0]))) && (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[0])) [L109] EXPR ((((((unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))))) && (((- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= signed_char_Array_0[4]) ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))))) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[3])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[3]))))))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[0] - signed_char_Array_0[3]))) : (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[2] - ((signed_long_int_Array_0[0] - 4) + ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))))))) && (float_Array_0[0] == ((float) double_Array_0[0][0]))) && (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) [L109-L110] return ((((((unsigned_long_int_Array_0[1] == ((unsigned long int) unsigned_long_int_Array_0[0])) && ((signed_long_int_Array_0[1] < unsigned_long_int_Array_0[1]) ? (double_Array_0[1][1] == ((double) -0.5)) : (((- last_1_double_Array_0_1__1_) == (double_Array_0[0][1] - double_Array_0[1][0])) ? (double_Array_0[1][1] == ((double) double_Array_0[0][0])) : (double_Array_0[1][1] == ((double) double_Array_0[0][0]))))) && (((- (unsigned_short_int_Array_0[0] - unsigned_short_int_Array_0[1])) >= signed_char_Array_0[4]) ? (signed_char_Array_0[1] == ((signed char) (signed_char_Array_0[0] - ((((signed_char_Array_0[2]) > (signed_char_Array_0[3])) ? (signed_char_Array_0[2]) : (signed_char_Array_0[3])))))) : (signed_char_Array_0[1] == ((signed char) ((((signed_char_Array_0[0]) < (signed_char_Array_0[3])) ? (signed_char_Array_0[0]) : (signed_char_Array_0[3]))))))) && (BOOL_unsigned_char_Array_0[0] ? (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[0] - signed_char_Array_0[3]))) : (signed_long_int_Array_0[1] == ((signed long int) (signed_char_Array_0[2] - ((signed_long_int_Array_0[0] - 4) + ((((unsigned_short_int_Array_0[1]) < 0 ) ? -(unsigned_short_int_Array_0[1]) : (unsigned_short_int_Array_0[1]))))))))) && (float_Array_0[0] == ((float) double_Array_0[0][0]))) && (signed_char_Array_0[4] == ((signed char) signed_char_Array_0[0]))) && (BOOL_unsigned_char_Array_0[0] == ((unsigned char) BOOL_unsigned_char_Array_0[1])) ; [L119] RET, EXPR property() [L119] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, float_Array_0={6:0}, isInitial=1, last_1_double_Array_0_1__1_=183/20, signed_char_Array_0={7:0}, signed_long_int_Array_0={8:0}, unsigned_long_int_Array_0={9:0}, unsigned_short_int_Array_0={10:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 47 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.9s, OverallIterations: 1, TraceHistogramMax: 19, 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=47occurred 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, 2.5s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 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 23:14:46,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 e1928f1269d04d8b5de337525ff72bdfae3247245ae6db35e73e266008ad3a3d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:14:49,385 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:14:49,512 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:14:49,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:14:49,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:14:49,594 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:14:49,595 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:14:49,595 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:14:49,596 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:14:49,602 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:14:49,602 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:14:49,603 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:14:49,603 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:14:49,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:14:49,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:14:49,606 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:14:49,607 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:14:49,608 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:14:49,608 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:14:49,610 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:14:49,610 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:14:49,611 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:14:49,611 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:14:49,612 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:14:49,612 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:14:49,613 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:14:49,613 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:14:49,614 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:14:49,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:14:49,614 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:14:49,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:14:49,616 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:14:49,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:14:49,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:14:49,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:49,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:14:49,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:14:49,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:14:49,619 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:14:49,620 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:14:49,620 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:14:49,621 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:14:49,621 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:14:49,621 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:14:49,622 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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e1928f1269d04d8b5de337525ff72bdfae3247245ae6db35e73e266008ad3a3d [2023-11-24 23:14:50,058 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:14:50,091 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:14:50,094 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:14:50,096 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:14:50,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:14:50,098 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i [2023-11-24 23:14:53,378 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:14:53,682 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:14:53,682 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i [2023-11-24 23:14:53,706 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data/92db6e2bc/1a5b92adf4074655b84f08db77147dcf/FLAG21ec5c0d4 [2023-11-24 23:14:53,726 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/data/92db6e2bc/1a5b92adf4074655b84f08db77147dcf [2023-11-24 23:14:53,734 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:14:53,738 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:14:53,743 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:53,744 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:14:53,749 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:14:53,750 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,751 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106a9cfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:53, skipping insertion in model container [2023-11-24 23:14:53,752 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:14:53" (1/1) ... [2023-11-24 23:14:53,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:14:54,000 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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i[916,929] [2023-11-24 23:14:54,070 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:54,086 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:14:54,099 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_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-10.i[916,929] [2023-11-24 23:14:54,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:14:54,195 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:14:54,196 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54 WrapperNode [2023-11-24 23:14:54,196 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:14:54,198 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:54,198 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:14:54,198 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:14:54,207 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,335 INFO L138 Inliner]: procedures = 39, calls = 179, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 443 [2023-11-24 23:14:54,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:14:54,338 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:14:54,338 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:14:54,339 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:14:54,350 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,350 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,373 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,431 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,453 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,472 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,476 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,484 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:14:54,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:14:54,491 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:14:54,492 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:14:54,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (1/1) ... [2023-11-24 23:14:54,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:14:54,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:14:54,543 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:14:54,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:14:54,591 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:14:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:14:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:14:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:14:54,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:14:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:14:54,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:14:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:14:54,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-24 23:14:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:14:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:14:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:14:54,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:14:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:14:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:14:54,597 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:14:54,597 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:14:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:14:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:14:54,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:14:54,737 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:14:54,740 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:14:56,696 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:14:56,798 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:14:56,799 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:14:56,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:56 BoogieIcfgContainer [2023-11-24 23:14:56,799 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:14:56,802 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:14:56,803 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:14:56,808 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:14:56,812 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:14:53" (1/3) ... [2023-11-24 23:14:56,813 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b021fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:56, skipping insertion in model container [2023-11-24 23:14:56,813 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:14:54" (2/3) ... [2023-11-24 23:14:56,814 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b021fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:14:56, skipping insertion in model container [2023-11-24 23:14:56,816 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:14:56" (3/3) ... [2023-11-24 23:14:56,818 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-10.i [2023-11-24 23:14:56,844 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:14:56,845 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:14:56,917 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:14:56,925 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;@302f25f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:14:56,926 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:14:56,934 INFO L276 IsEmpty]: Start isEmpty. Operand has 104 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 83 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:14:56,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:14:56,976 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:56,976 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:56,977 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:56,983 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:56,983 INFO L85 PathProgramCache]: Analyzing trace with hash 842837506, now seen corresponding path program 1 times [2023-11-24 23:14:57,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:57,009 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [896217566] [2023-11-24 23:14:57,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:57,009 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 23:14:57,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:57,012 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:57,049 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:57,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:57,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:14:57,552 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:57,604 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 344 proven. 0 refuted. 0 times theorem prover too weak. 340 trivial. 0 not checked. [2023-11-24 23:14:57,604 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:57,605 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:57,605 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [896217566] [2023-11-24 23:14:57,606 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [896217566] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:57,606 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:57,607 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:14:57,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726577405] [2023-11-24 23:14:57,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:57,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:14:57,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:57,648 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:14:57,649 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:14:57,652 INFO L87 Difference]: Start difference. First operand has 104 states, 82 states have (on average 1.4146341463414633) internal successors, (116), 83 states have internal predecessors, (116), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) Second operand has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:14:57,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:57,986 INFO L93 Difference]: Finished difference Result 205 states and 325 transitions. [2023-11-24 23:14:57,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:14:57,989 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-11-24 23:14:57,990 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:58,000 INFO L225 Difference]: With dead ends: 205 [2023-11-24 23:14:58,000 INFO L226 Difference]: Without dead ends: 102 [2023-11-24 23:14:58,005 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 146 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 23:14:58,009 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:58,010 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 143 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-24 23:14:58,040 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-24 23:14:58,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 102. [2023-11-24 23:14:58,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 102 states, 81 states have (on average 1.345679012345679) internal successors, (109), 81 states have internal predecessors, (109), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:14:58,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 147 transitions. [2023-11-24 23:14:58,081 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 147 transitions. Word has length 147 [2023-11-24 23:14:58,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:58,081 INFO L495 AbstractCegarLoop]: Abstraction has 102 states and 147 transitions. [2023-11-24 23:14:58,082 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.5) internal successors, (59), 2 states have internal predecessors, (59), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:14:58,082 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 147 transitions. [2023-11-24 23:14:58,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:14:58,087 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:58,087 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:58,099 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:58,295 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:58,296 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:58,296 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:58,296 INFO L85 PathProgramCache]: Analyzing trace with hash 1622074856, now seen corresponding path program 1 times [2023-11-24 23:14:58,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:58,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [129034323] [2023-11-24 23:14:58,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:58,298 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 23:14:58,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:58,300 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:58,314 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:14:58,792 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:14:58,801 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:14:58,882 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-24 23:14:58,891 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:14:58,892 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:14:58,892 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [129034323] [2023-11-24 23:14:58,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [129034323] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:14:58,893 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:14:58,894 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:14:58,894 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948218049] [2023-11-24 23:14:58,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:14:58,897 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:14:58,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:14:58,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:14:58,903 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:14:58,903 INFO L87 Difference]: Start difference. First operand 102 states and 147 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:14:59,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:14:59,398 INFO L93 Difference]: Finished difference Result 209 states and 302 transitions. [2023-11-24 23:14:59,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:14:59,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-11-24 23:14:59,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:14:59,407 INFO L225 Difference]: With dead ends: 209 [2023-11-24 23:14:59,407 INFO L226 Difference]: Without dead ends: 108 [2023-11-24 23:14:59,409 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:14:59,410 INFO L413 NwaCegarLoop]: 144 mSDtfsCounter, 10 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:14:59,411 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 421 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-24 23:14:59,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2023-11-24 23:14:59,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 104. [2023-11-24 23:14:59,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 83 states have (on average 1.3373493975903614) internal successors, (111), 83 states have internal predecessors, (111), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:14:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 149 transitions. [2023-11-24 23:14:59,461 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 149 transitions. Word has length 147 [2023-11-24 23:14:59,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:14:59,464 INFO L495 AbstractCegarLoop]: Abstraction has 104 states and 149 transitions. [2023-11-24 23:14:59,464 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 4 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:14:59,464 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2023-11-24 23:14:59,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:14:59,475 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:14:59,476 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:14:59,487 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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)] Ended with exit code 0 [2023-11-24 23:14:59,684 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:59,685 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:14:59,685 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:14:59,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1258608358, now seen corresponding path program 1 times [2023-11-24 23:14:59,687 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:14:59,687 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1215933750] [2023-11-24 23:14:59,687 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:14:59,688 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 23:14:59,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:14:59,690 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:14:59,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:00,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 23:15:00,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:00,204 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-24 23:15:00,204 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:00,204 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:00,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1215933750] [2023-11-24 23:15:00,208 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1215933750] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:00,211 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:00,211 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-24 23:15:00,211 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183663393] [2023-11-24 23:15:00,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:00,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:00,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:00,219 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:00,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:00,221 INFO L87 Difference]: Start difference. First operand 104 states and 149 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-24 23:15:01,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:01,323 INFO L93 Difference]: Finished difference Result 239 states and 343 transitions. [2023-11-24 23:15:01,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-24 23:15:01,324 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2023-11-24 23:15:01,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:01,328 INFO L225 Difference]: With dead ends: 239 [2023-11-24 23:15:01,328 INFO L226 Difference]: Without dead ends: 136 [2023-11-24 23:15:01,330 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-24 23:15:01,331 INFO L413 NwaCegarLoop]: 136 mSDtfsCounter, 83 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 677 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:01,332 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 677 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-24 23:15:01,333 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2023-11-24 23:15:01,346 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 110. [2023-11-24 23:15:01,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 89 states have (on average 1.3146067415730338) internal successors, (117), 89 states have internal predecessors, (117), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:15:01,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 155 transitions. [2023-11-24 23:15:01,349 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 155 transitions. Word has length 147 [2023-11-24 23:15:01,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:01,350 INFO L495 AbstractCegarLoop]: Abstraction has 110 states and 155 transitions. [2023-11-24 23:15:01,351 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-24 23:15:01,351 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 155 transitions. [2023-11-24 23:15:01,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:15:01,354 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:01,354 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:01,372 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:01,568 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:01,569 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:01,569 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:01,569 INFO L85 PathProgramCache]: Analyzing trace with hash 449261732, now seen corresponding path program 1 times [2023-11-24 23:15:01,571 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:01,571 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [61033005] [2023-11-24 23:15:01,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:01,571 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 23:15:01,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:01,573 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:01,592 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:02,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:02,047 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 23:15:02,054 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:02,134 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-24 23:15:02,135 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:02,135 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:02,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [61033005] [2023-11-24 23:15:02,136 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [61033005] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:02,136 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:02,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-24 23:15:02,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581521272] [2023-11-24 23:15:02,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:02,138 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-24 23:15:02,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:02,139 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-24 23:15:02,140 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:15:02,140 INFO L87 Difference]: Start difference. First operand 110 states and 155 transitions. Second operand has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-24 23:15:03,542 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:03,542 INFO L93 Difference]: Finished difference Result 248 states and 347 transitions. [2023-11-24 23:15:03,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-24 23:15:03,544 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2023-11-24 23:15:03,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:03,547 INFO L225 Difference]: With dead ends: 248 [2023-11-24 23:15:03,547 INFO L226 Difference]: Without dead ends: 139 [2023-11-24 23:15:03,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-24 23:15:03,550 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 85 mSDsluCounter, 670 mSDsCounter, 0 mSdLazyCounter, 84 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 804 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 84 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:03,551 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 804 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 84 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2023-11-24 23:15:03,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2023-11-24 23:15:03,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 112. [2023-11-24 23:15:03,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 91 states have (on average 1.3076923076923077) internal successors, (119), 91 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:15:03,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 157 transitions. [2023-11-24 23:15:03,580 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 157 transitions. Word has length 147 [2023-11-24 23:15:03,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:03,582 INFO L495 AbstractCegarLoop]: Abstraction has 112 states and 157 transitions. [2023-11-24 23:15:03,582 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.857142857142857) internal successors, (55), 7 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-24 23:15:03,582 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 157 transitions. [2023-11-24 23:15:03,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:15:03,585 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:03,585 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:03,601 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:03,795 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:03,796 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:03,796 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:03,796 INFO L85 PathProgramCache]: Analyzing trace with hash 506520034, now seen corresponding path program 1 times [2023-11-24 23:15:03,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:03,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [77866980] [2023-11-24 23:15:03,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:03,798 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 23:15:03,798 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:03,799 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:03,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:15:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:04,215 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 23:15:04,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:04,332 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 684 trivial. 0 not checked. [2023-11-24 23:15:04,333 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:04,333 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:04,333 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [77866980] [2023-11-24 23:15:04,333 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [77866980] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:04,333 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:04,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 23:15:04,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404277904] [2023-11-24 23:15:04,334 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:04,335 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-24 23:15:04,335 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:04,336 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-24 23:15:04,336 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:15:04,337 INFO L87 Difference]: Start difference. First operand 112 states and 157 transitions. Second operand has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-24 23:15:05,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:05,379 INFO L93 Difference]: Finished difference Result 251 states and 346 transitions. [2023-11-24 23:15:05,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2023-11-24 23:15:05,380 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) Word has length 147 [2023-11-24 23:15:05,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:05,382 INFO L225 Difference]: With dead ends: 251 [2023-11-24 23:15:05,383 INFO L226 Difference]: Without dead ends: 140 [2023-11-24 23:15:05,384 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 161 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 91 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=148, Invalid=358, Unknown=0, NotChecked=0, Total=506 [2023-11-24 23:15:05,385 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 71 mSDsluCounter, 793 mSDsCounter, 0 mSdLazyCounter, 105 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 71 SdHoareTripleChecker+Valid, 926 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 105 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:05,385 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [71 Valid, 926 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-24 23:15:05,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2023-11-24 23:15:05,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 114. [2023-11-24 23:15:05,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 93 states have (on average 1.3010752688172043) internal successors, (121), 93 states have internal predecessors, (121), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:15:05,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 159 transitions. [2023-11-24 23:15:05,398 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 159 transitions. Word has length 147 [2023-11-24 23:15:05,398 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:05,399 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 159 transitions. [2023-11-24 23:15:05,399 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.875) internal successors, (55), 8 states have internal predecessors, (55), 1 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 1 states have call predecessors, (19), 1 states have call successors, (19) [2023-11-24 23:15:05,399 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 159 transitions. [2023-11-24 23:15:05,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2023-11-24 23:15:05,401 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:05,402 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:05,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:05,609 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:05,610 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:05,610 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:05,611 INFO L85 PathProgramCache]: Analyzing trace with hash 506579616, now seen corresponding path program 1 times [2023-11-24 23:15:05,611 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:05,611 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1478104827] [2023-11-24 23:15:05,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:05,612 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 23:15:05,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:05,613 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:05,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 (7)] Waiting until timeout for monitored process [2023-11-24 23:15:05,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:05,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:05,964 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:06,168 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:06,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-24 23:15:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 492 trivial. 0 not checked. [2023-11-24 23:15:06,222 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:06,222 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:06,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1478104827] [2023-11-24 23:15:06,223 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1478104827] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:06,223 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:06,223 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:06,224 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [553879641] [2023-11-24 23:15:06,224 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:06,225 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:06,225 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:06,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:06,229 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:06,229 INFO L87 Difference]: Start difference. First operand 114 states and 159 transitions. Second operand has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:15:09,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:09,079 INFO L93 Difference]: Finished difference Result 233 states and 326 transitions. [2023-11-24 23:15:09,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:15:09,081 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 147 [2023-11-24 23:15:09,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:09,082 INFO L225 Difference]: With dead ends: 233 [2023-11-24 23:15:09,082 INFO L226 Difference]: Without dead ends: 120 [2023-11-24 23:15:09,083 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:15:09,084 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 142 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 182 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 182 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.7s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:09,084 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 398 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 182 Invalid, 0 Unknown, 0 Unchecked, 2.7s Time] [2023-11-24 23:15:09,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-24 23:15:09,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2023-11-24 23:15:09,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 93 states have (on average 1.2903225806451613) internal successors, (120), 93 states have internal predecessors, (120), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:15:09,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 158 transitions. [2023-11-24 23:15:09,096 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 158 transitions. Word has length 147 [2023-11-24 23:15:09,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:09,096 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 158 transitions. [2023-11-24 23:15:09,097 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.666666666666666) internal successors, (58), 5 states have internal predecessors, (58), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:15:09,097 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 158 transitions. [2023-11-24 23:15:09,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2023-11-24 23:15:09,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:09,099 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:09,116 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 (7)] Ended with exit code 0 [2023-11-24 23:15:09,311 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:09,312 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:09,312 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:09,312 INFO L85 PathProgramCache]: Analyzing trace with hash 1182800666, now seen corresponding path program 1 times [2023-11-24 23:15:09,313 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:09,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1665487099] [2023-11-24 23:15:09,313 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:09,313 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 23:15:09,313 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:09,314 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:09,317 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-24 23:15:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:09,710 INFO L262 TraceCheckSpWp]: Trace formula consists of 340 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:15:09,715 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:09,897 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:15:09,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 173 treesize of output 65 [2023-11-24 23:15:09,936 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 240 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2023-11-24 23:15:09,937 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:15:09,937 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:09,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1665487099] [2023-11-24 23:15:09,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1665487099] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:15:09,937 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:15:09,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:15:09,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [948803887] [2023-11-24 23:15:09,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:15:09,938 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:15:09,938 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:15:09,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:15:09,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:15:09,940 INFO L87 Difference]: Start difference. First operand 114 states and 158 transitions. Second operand has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:15:12,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:15:12,117 INFO L93 Difference]: Finished difference Result 233 states and 324 transitions. [2023-11-24 23:15:12,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:15:12,118 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) Word has length 149 [2023-11-24 23:15:12,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:15:12,119 INFO L225 Difference]: With dead ends: 233 [2023-11-24 23:15:12,119 INFO L226 Difference]: Without dead ends: 120 [2023-11-24 23:15:12,120 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 152 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:15:12,121 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 133 mSDsluCounter, 270 mSDsCounter, 0 mSdLazyCounter, 190 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 392 SdHoareTripleChecker+Invalid, 194 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 190 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:15:12,121 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 392 Invalid, 194 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 190 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2023-11-24 23:15:12,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2023-11-24 23:15:12,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 114. [2023-11-24 23:15:12,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 93 states have (on average 1.2795698924731183) internal successors, (119), 93 states have internal predecessors, (119), 19 states have call successors, (19), 1 states have call predecessors, (19), 1 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2023-11-24 23:15:12,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 157 transitions. [2023-11-24 23:15:12,141 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 157 transitions. Word has length 149 [2023-11-24 23:15:12,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:15:12,141 INFO L495 AbstractCegarLoop]: Abstraction has 114 states and 157 transitions. [2023-11-24 23:15:12,141 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.0) internal successors, (60), 5 states have internal predecessors, (60), 2 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 2 states have call predecessors, (19), 2 states have call successors, (19) [2023-11-24 23:15:12,142 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 157 transitions. [2023-11-24 23:15:12,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-24 23:15:12,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:15:12,144 INFO L195 NwaCegarLoop]: trace histogram [19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 23:15:12,156 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-24 23:15:12,352 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:12,353 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:15:12,353 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:15:12,353 INFO L85 PathProgramCache]: Analyzing trace with hash -2140759328, now seen corresponding path program 1 times [2023-11-24 23:15:12,354 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:15:12,354 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [533621991] [2023-11-24 23:15:12,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:12,355 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 23:15:12,360 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:15:12,377 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 23:15:12,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/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 (9)] Waiting until timeout for monitored process [2023-11-24 23:15:13,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:13,163 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-24 23:15:13,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:16,741 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:15:17,175 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:15:17,566 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:15:17,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 37 [2023-11-24 23:15:17,917 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 37 [2023-11-24 23:15:17,926 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 29 [2023-11-24 23:15:17,931 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 1 [2023-11-24 23:15:17,937 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 17 [2023-11-24 23:15:18,066 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-24 23:15:18,136 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-24 23:15:18,189 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 15 [2023-11-24 23:15:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-24 23:15:18,256 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:15:18,312 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_330 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_330) |c_~#unsigned_long_int_Array_0~0.base|))) (= (select .cse0 |c_~#unsigned_long_int_Array_0~0.offset|) (select .cse0 (bvadd (_ bv4 32) |c_~#unsigned_long_int_Array_0~0.offset|))))) is different from false [2023-11-24 23:15:18,334 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_330 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_329 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_329) |c_~#double_Array_0~0.base| v_ArrVal_330) |c_~#unsigned_long_int_Array_0~0.base|))) (= (select .cse0 (bvadd (_ bv4 32) |c_~#unsigned_long_int_Array_0~0.offset|)) (select .cse0 |c_~#unsigned_long_int_Array_0~0.offset|)))) is different from false [2023-11-24 23:15:18,730 WARN L854 $PredicateComparison]: unable to prove that (forall ((|~#float_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_330 (Array (_ BitVec 32) (_ BitVec 32))) (|v_skolemized_q#valueAsBitvector_69| (_ BitVec 32)) (v_ArrVal_329 (Array (_ BitVec 32) (_ BitVec 32))) (|~#unsigned_long_int_Array_0~0.offset| (_ BitVec 32)) (v_ArrVal_325 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_328 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse1 (bvadd (_ bv4 32) |~#unsigned_long_int_Array_0~0.offset|))) (let ((.cse0 (select (store (store (store (store (let ((.cse2 (store |c_#memory_int| |c_~#unsigned_long_int_Array_0~0.base| (let ((.cse3 (select |c_#memory_int| |c_~#unsigned_long_int_Array_0~0.base|))) (store .cse3 .cse1 (select .cse3 |~#unsigned_long_int_Array_0~0.offset|)))))) (store .cse2 |c_~#float_Array_0~0.base| (store (select .cse2 |c_~#float_Array_0~0.base|) |~#float_Array_0~0.offset| |v_skolemized_q#valueAsBitvector_69|))) |c_~#BOOL_unsigned_char_Array_0~0.base| v_ArrVal_325) |c_~#signed_char_Array_0~0.base| v_ArrVal_328) |c_~#signed_long_int_Array_0~0.base| v_ArrVal_329) |c_~#double_Array_0~0.base| v_ArrVal_330) |c_~#unsigned_long_int_Array_0~0.base|))) (= (select .cse0 .cse1) (select .cse0 |~#unsigned_long_int_Array_0~0.offset|))))) is different from false [2023-11-24 23:15:18,777 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:15:18,777 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [533621991] [2023-11-24 23:15:18,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [533621991] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:15:18,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1914663807] [2023-11-24 23:15:18,778 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:18,778 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:15:18,778 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:15:18,784 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:15:18,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-11-24 23:15:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:20,426 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:15:20,435 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:15:23,927 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 23:15:24,339 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:15:24,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:15:25,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 33 [2023-11-24 23:15:25,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 6 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 13 [2023-11-24 23:15:25,298 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2023-11-24 23:15:25,377 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2023-11-24 23:15:25,452 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 13 [2023-11-24 23:15:25,509 INFO L134 CoverageAnalysis]: Checked inductivity of 684 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 548 trivial. 0 not checked. [2023-11-24 23:15:25,509 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:15:25,545 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_381 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store |c_#memory_int| |c_~#double_Array_0~0.base| v_ArrVal_381) |c_~#unsigned_long_int_Array_0~0.base|))) (= (select .cse0 |c_~#unsigned_long_int_Array_0~0.offset|) (select .cse0 (bvadd (_ bv4 32) |c_~#unsigned_long_int_Array_0~0.offset|))))) is different from false [2023-11-24 23:15:25,566 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_380 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_381 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select (store (store |c_#memory_int| |c_~#signed_long_int_Array_0~0.base| v_ArrVal_380) |c_~#double_Array_0~0.base| v_ArrVal_381) |c_~#unsigned_long_int_Array_0~0.base|))) (= (select .cse0 |c_~#unsigned_long_int_Array_0~0.offset|) (select .cse0 (bvadd (_ bv4 32) |c_~#unsigned_long_int_Array_0~0.offset|))))) is different from false [2023-11-24 23:15:25,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1914663807] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:15:25,859 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773263203] [2023-11-24 23:15:25,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:15:25,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:15:25,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:15:25,864 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:15:25,865 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d1ac223c-7f4d-41c7-a6b4-6552a40fa27a/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-24 23:15:26,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:15:26,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-24 23:15:26,643 INFO L285 TraceCheckSpWp]: Computing forward predicates...