./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire --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 0d3b5dee297a010530e733718cca08900e46ab18a4a35ca825ad2e8828fb51c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:31:49,501 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:31:49,594 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 20:31:49,603 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:31:49,604 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:31:49,629 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:31:49,630 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:31:49,631 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:31:49,632 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:31:49,632 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:31:49,633 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:31:49,633 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:31:49,634 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:31:49,634 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 20:31:49,635 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:31:49,636 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:31:49,636 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 20:31:49,637 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 20:31:49,637 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:31:49,638 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 20:31:49,638 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 20:31:49,641 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 20:31:49,641 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:31:49,642 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:31:49,642 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:31:49,643 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:31:49,643 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:31:49,644 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:31:49,648 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:31:49,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:31:49,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:31:49,649 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:31:49,649 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:31:49,650 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:31:49,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:31:49,651 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:31:49,651 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:31:49,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:49,652 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:31:49,652 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:31:49,653 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:31:49,654 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 20:31:49,654 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:31:49,655 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:31:49,655 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:31:49,655 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:31:49,656 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:31:49,656 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_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d3b5dee297a010530e733718cca08900e46ab18a4a35ca825ad2e8828fb51c7 [2023-11-23 20:31:49,959 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:31:49,991 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:31:49,994 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:31:49,995 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:31:49,996 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:31:49,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i [2023-11-23 20:31:53,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:31:53,400 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:31:53,401 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i [2023-11-23 20:31:53,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data/c7450b065/89d23c44c00a4bb8a59d270caabc7aaf/FLAG7fef6467e [2023-11-23 20:31:53,431 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data/c7450b065/89d23c44c00a4bb8a59d270caabc7aaf [2023-11-23 20:31:53,434 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:31:53,435 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:31:53,437 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:53,437 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:31:53,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:31:53,444 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,445 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f1178b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53, skipping insertion in model container [2023-11-23 20:31:53,446 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,477 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:31:53,642 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_64d14677-b3d9-447d-893a-c8fcd25f4049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i[915,928] [2023-11-23 20:31:53,707 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:53,721 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:31:53,738 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_64d14677-b3d9-447d-893a-c8fcd25f4049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i[915,928] [2023-11-23 20:31:53,779 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:31:53,804 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:31:53,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53 WrapperNode [2023-11-23 20:31:53,805 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:31:53,806 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:53,806 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:31:53,806 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:31:53,814 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,830 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,892 INFO L138 Inliner]: procedures = 29, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 472 [2023-11-23 20:31:53,893 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:31:53,894 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:31:53,894 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:31:53,894 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:31:53,905 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,905 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,913 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,913 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,938 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,943 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,947 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,953 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:31:53,954 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:31:53,955 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:31:53,955 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:31:53,956 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (1/1) ... [2023-11-23 20:31:53,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:31:54,000 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:54,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:31:54,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:31:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:31:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-23 20:31:54,089 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-23 20:31:54,090 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-23 20:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-23 20:31:54,092 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-23 20:31:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:31:54,093 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:31:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:31:54,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:31:54,094 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:31:54,273 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:31:54,274 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:31:54,910 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:31:55,668 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:31:55,669 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:31:55,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:55 BoogieIcfgContainer [2023-11-23 20:31:55,671 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:31:55,675 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:31:55,675 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:31:55,679 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:31:55,679 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:31:53" (1/3) ... [2023-11-23 20:31:55,681 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed426ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:55, skipping insertion in model container [2023-11-23 20:31:55,681 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:31:53" (2/3) ... [2023-11-23 20:31:55,683 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ed426ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:31:55, skipping insertion in model container [2023-11-23 20:31:55,683 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:55" (3/3) ... [2023-11-23 20:31:55,685 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-2.i [2023-11-23 20:31:55,707 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:31:55,707 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:31:55,775 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:31:55,785 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;@24e31aeb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:31:55,785 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:31:55,790 INFO L276 IsEmpty]: Start isEmpty. Operand has 33 states, 18 states have (on average 1.1666666666666667) internal successors, (21), 19 states have internal predecessors, (21), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 20:31:55,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:31:55,801 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:31:55,802 INFO L195 NwaCegarLoop]: trace histogram [12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:31:55,803 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:31:55,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:31:55,817 INFO L85 PathProgramCache]: Analyzing trace with hash -2068123776, now seen corresponding path program 1 times [2023-11-23 20:31:55,828 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 20:31:55,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106981150] [2023-11-23 20:31:55,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:55,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:56,170 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-23 20:31:56,171 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [880314025] [2023-11-23 20:31:56,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:31:56,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:31:56,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:31:56,178 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:31:56,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-23 20:31:56,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:31:56,939 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-23 20:31:57,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-23 20:31:57,989 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-23 20:31:57,992 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-23 20:31:57,994 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 20:31:58,018 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-23 20:31:58,213 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:31:58,218 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-23 20:31:58,223 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 20:31:58,315 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 20:31:58,318 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-23 20:31:58,320 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 20:31:58,322 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-23 20:31:58,323 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 20:31:58,325 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-23 20:31:58,326 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 20:31:58,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-23 20:31:58,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 20:31:58,332 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-23 20:31:58,333 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 20:31:58,335 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-23 20:31:58,336 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:31:58,338 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-23 20:31:58,339 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 20:31:58,357 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-23 20:31:58,359 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 20:31:58,361 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-23 20:31:58,362 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:31:58,364 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-23 20:31:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 20:31:58,365 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 20:31:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 20:31:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 20:31:58,366 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:31:58,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 20:31:58,367 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 20:31:58,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-23 20:31:58,374 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-23 20:31:58,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-23 20:31:58,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-23 20:31:58,375 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-23 20:31:58,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-11-23 20:31:58,376 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-23 20:31:58,377 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-23 20:31:58,379 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:31:58,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:31:58,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-23 20:31:58,380 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 20:31:58,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 20:31:58,383 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:31:58,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-23 20:31:58,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short79 could not be translated [2023-11-23 20:31:58,385 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated [2023-11-23 20:31:58,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-23 20:31:58,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-23 20:31:58,386 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated [2023-11-23 20:31:58,387 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-23 20:31:58,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 08:31:58 BoogieIcfgContainer [2023-11-23 20:31:58,427 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 20:31:58,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:58,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:58,428 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:58,429 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:31:55" (3/4) ... [2023-11-23 20:31:58,432 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-23 20:31:58,433 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:58,435 INFO L158 Benchmark]: Toolchain (without parser) took 4999.17ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 142.4MB in the beginning and 144.3MB in the end (delta: -1.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:58,436 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:58,437 INFO L158 Benchmark]: CACSL2BoogieTranslator took 368.05ms. Allocated memory is still 176.2MB. Free memory was 142.4MB in the beginning and 127.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:58,438 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.21ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 123.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:58,443 INFO L158 Benchmark]: Boogie Preprocessor took 60.07ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 121.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:58,445 INFO L158 Benchmark]: RCFGBuilder took 1717.64ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 123.9MB in the end (delta: -2.6MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. [2023-11-23 20:31:58,446 INFO L158 Benchmark]: TraceAbstraction took 2752.26ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 122.8MB in the beginning and 145.4MB in the end (delta: -22.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:58,446 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 211.8MB. Free memory was 145.4MB in the beginning and 144.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:58,455 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 132.1MB. Free memory is still 77.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 368.05ms. Allocated memory is still 176.2MB. Free memory was 142.4MB in the beginning and 127.9MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.21ms. Allocated memory is still 176.2MB. Free memory was 127.9MB in the beginning and 123.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.07ms. Allocated memory is still 176.2MB. Free memory was 123.7MB in the beginning and 121.3MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1717.64ms. Allocated memory is still 176.2MB. Free memory was 121.3MB in the beginning and 123.9MB in the end (delta: -2.6MB). Peak memory consumption was 63.9MB. Max. memory is 16.1GB. * TraceAbstraction took 2752.26ms. Allocated memory was 176.2MB in the beginning and 211.8MB in the end (delta: 35.7MB). Free memory was 122.8MB in the beginning and 145.4MB in the end (delta: -22.5MB). Peak memory consumption was 14.2MB. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 211.8MB. Free memory was 145.4MB in the beginning and 144.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short79 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~short79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short76 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~short80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 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 someBinaryFLOATComparisonOperation at line 65, overapproximation of shiftLeft at line 51, overapproximation of someUnaryDOUBLEoperation at line 36. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 10; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned short int var_1_5 = 200; [L25] unsigned short int* var_1_5_Pointer = &(var_1_5); [L26] unsigned short int var_1_6 = 56955; [L27] unsigned short int* var_1_6_Pointer = &(var_1_6); [L28] unsigned short int var_1_7 = 32; [L29] unsigned short int* var_1_7_Pointer = &(var_1_7); [L30] unsigned short int var_1_8 = 1; [L31] unsigned short int* var_1_8_Pointer = &(var_1_8); [L32] unsigned short int var_1_9 = 8; [L33] unsigned short int* var_1_9_Pointer = &(var_1_9); [L34] unsigned char var_1_10 = 1; [L35] unsigned char* var_1_10_Pointer = &(var_1_10); [L36] float var_1_11 = -0.6; [L37] float* var_1_11_Pointer = &(var_1_11); [L38] float var_1_12 = 9.125; [L39] float* var_1_12_Pointer = &(var_1_12); [L40] float var_1_13 = 50.5; [L41] float* var_1_13_Pointer = &(var_1_13); [L42] unsigned short int last_1_var_1_1 = 10; [L43] unsigned short int last_1_var_1_9 = 8; [L103] isInitial = 1 [L104] FCALL initially() [L105] COND TRUE 1 [L106] CALL updateLastVariables() [L95] EXPR \read(var_1_1) [L95] last_1_var_1_1 = var_1_1 [L96] EXPR \read(var_1_9) [L96] last_1_var_1_9 = var_1_9 [L106] RET updateLastVariables() [L107] CALL updateVariables() [L74] var_1_5 = __VERIFIER_nondet_ushort() [L75] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L75] CALL assume_abort_if_not(var_1_5 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_5 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L76] EXPR \read(var_1_5) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L76] CALL assume_abort_if_not(var_1_5 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_5 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L77] var_1_6 = __VERIFIER_nondet_ushort() [L78] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L78] CALL assume_abort_if_not(var_1_6 >= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_6 >= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L79] EXPR \read(var_1_6) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L79] CALL assume_abort_if_not(var_1_6 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L79] RET assume_abort_if_not(var_1_6 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L80] var_1_7 = __VERIFIER_nondet_ushort() [L81] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L81] CALL assume_abort_if_not(var_1_7 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(var_1_7 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L82] EXPR \read(var_1_7) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L82] CALL assume_abort_if_not(var_1_7 <= 32767) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not(var_1_7 <= 32767) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L83] var_1_8 = __VERIFIER_nondet_ushort() [L84] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L84] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] EXPR \read(var_1_8) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L85] CALL assume_abort_if_not(var_1_8 <= 65534) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(var_1_8 <= 65534) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L86] var_1_10 = __VERIFIER_nondet_uchar() [L87] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L87] CALL assume_abort_if_not(var_1_10 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(var_1_10 >= 0) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] EXPR \read(var_1_10) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L88] CALL assume_abort_if_not(var_1_10 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(var_1_10 <= 1) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L89] var_1_12 = __VERIFIER_nondet_float() [L90] EXPR \read(var_1_12) [L90] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L90] EXPR \read(var_1_12) [L90] EXPR var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F [L90] EXPR (var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L90] CALL assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not((var_1_12 >= -922337.2036854765600e+13F && var_1_12 <= -1.0e-20F) || (var_1_12 <= 9223372.036854765600e+12F && var_1_12 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L91] var_1_13 = __VERIFIER_nondet_float() [L92] EXPR \read(var_1_13) [L92] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F [L92] EXPR \read(var_1_13) [L92] EXPR var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F [L92] EXPR (var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L92] CALL assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not((var_1_13 >= -922337.2036854765600e+13F && var_1_13 <= -1.0e-20F) || (var_1_13 <= 9223372.036854765600e+12F && var_1_13 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L107] RET updateVariables() [L108] CALL step() [L47] COND TRUE last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1) [L48] EXPR \read(*var_1_5_Pointer) [L48] EXPR \read(*var_1_6_Pointer) [L48] EXPR \read(*var_1_7_Pointer) [L48] EXPR \read(*var_1_8_Pointer) [L48] EXPR ((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))) [L48] EXPR \read(*var_1_8_Pointer) [L48] EXPR ((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))) [L48] EXPR (((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))) [L48] EXPR \read(*var_1_5_Pointer) [L48] EXPR (((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))) [L48] (*(var_1_1_Pointer)) = (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))) [L50] EXPR \read(*var_1_10_Pointer) [L50] (*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer))) [L50] EXPR \read(*var_1_6_Pointer) [L50] EXPR \read(*var_1_8_Pointer) [L50] (*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer))) [L50] COND FALSE !((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) [L61] EXPR \read(*var_1_6_Pointer) [L61] (*(var_1_9_Pointer)) = (*(var_1_6_Pointer)) [L63] EXPR \read(*var_1_7_Pointer) [L63] EXPR \read(*var_1_6_Pointer) [L63] COND FALSE !((*(var_1_7_Pointer)) != (*(var_1_6_Pointer))) [L70] EXPR \read(*var_1_12_Pointer) [L70] (*(var_1_11_Pointer)) = (*(var_1_12_Pointer)) [L108] RET step() [L109] CALL, EXPR property() [L99] EXPR (last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1 [L99] EXPR \read(*var_1_1_Pointer) [L99] EXPR \read(*var_1_5_Pointer) [L99] EXPR \read(*var_1_6_Pointer) [L99] EXPR \read(*var_1_7_Pointer) [L99] EXPR \read(*var_1_8_Pointer) [L99] EXPR ((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))) [L99] EXPR \read(*var_1_8_Pointer) [L99] EXPR ((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))) [L99] EXPR (((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))) [L99] EXPR \read(*var_1_5_Pointer) [L99] EXPR (((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))) [L99] EXPR (last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1 [L99] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1) && (((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer))))) [L99] EXPR \read(*var_1_10_Pointer) [L99] EXPR (*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer))) [L99] EXPR \read(*var_1_6_Pointer) [L99] EXPR \read(*var_1_8_Pointer) [L99] EXPR (*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer))) [L99] EXPR ((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) [L99] EXPR \read(*var_1_9_Pointer) [L99] EXPR \read(*var_1_6_Pointer) [L99] EXPR ((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))) [L99] EXPR ((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1) && (((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer))))) [L99] EXPR (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1) && (((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))))) && (((*(var_1_7_Pointer)) != (*(var_1_6_Pointer))) ? (((*(var_1_7_Pointer)) <= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) [L99] EXPR \read(*var_1_7_Pointer) [L99] EXPR \read(*var_1_6_Pointer) [L99] EXPR ((*(var_1_7_Pointer)) != (*(var_1_6_Pointer))) ? (((*(var_1_7_Pointer)) <= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer)))) [L99] EXPR \read(*var_1_11_Pointer) [L99] EXPR \read(*var_1_12_Pointer) [L99] EXPR ((*(var_1_7_Pointer)) != (*(var_1_6_Pointer))) ? (((*(var_1_7_Pointer)) <= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer)))) [L99] EXPR (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1) && (((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))))) && (((*(var_1_7_Pointer)) != (*(var_1_6_Pointer))) ? (((*(var_1_7_Pointer)) <= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) [L99-L100] return (((last_1_var_1_9 <= (last_1_var_1_9 * last_1_var_1_1)) ? ((*(var_1_1_Pointer)) == ((unsigned short int) (((((*(var_1_5_Pointer))) > (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer))))))) ? ((*(var_1_5_Pointer))) : (((((((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) > ((*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) - (*(var_1_7_Pointer)))) : ((*(var_1_8_Pointer)))))))))) : 1) && (((*(var_1_10_Pointer)) || ((*(var_1_6_Pointer)) == (*(var_1_8_Pointer)))) ? (((*(var_1_6_Pointer)) <= (((((0) < ((*(var_1_1_Pointer)))) ? (0) : ((*(var_1_1_Pointer))))) << (*(var_1_1_Pointer)))) ? (((*(var_1_10_Pointer)) && ((*(var_1_1_Pointer)) == ((*(var_1_6_Pointer)) * (*(var_1_5_Pointer))))) ? ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer)))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_5_Pointer))))) : ((*(var_1_9_Pointer)) == ((unsigned short int) 2))) : ((*(var_1_9_Pointer)) == ((unsigned short int) (*(var_1_6_Pointer)))))) && (((*(var_1_7_Pointer)) != (*(var_1_6_Pointer))) ? (((*(var_1_7_Pointer)) <= (*(var_1_9_Pointer))) ? ((*(var_1_11_Pointer)) == ((float) (((((*(var_1_12_Pointer))) > ((*(var_1_13_Pointer)))) ? ((*(var_1_12_Pointer))) : ((*(var_1_13_Pointer))))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) : ((*(var_1_11_Pointer)) == ((float) (*(var_1_12_Pointer))))) ; [L109] RET, EXPR property() [L109] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_1=10, last_1_var_1_9=8, var_1_10={10:0}, var_1_10_Pointer={10:0}, var_1_11={11:0}, var_1_11_Pointer={11:0}, var_1_12={12:0}, var_1_12_Pointer={12:0}, var_1_13={13:0}, var_1_13_Pointer={13:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_5={5:0}, var_1_5_Pointer={5:0}, var_1_6={6:0}, var_1_6_Pointer={6:0}, var_1_7={7:0}, var_1_7_Pointer={7:0}, var_1_8={8:0}, var_1_8_Pointer={8:0}, var_1_9={9:0}, var_1_9_Pointer={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 33 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 1, TraceHistogramMax: 12, 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=33occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 52 NumberOfCodeBlocks, 52 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 [2023-11-23 20:31:58,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire --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 0d3b5dee297a010530e733718cca08900e46ab18a4a35ca825ad2e8828fb51c7 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:32:01,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:32:01,199 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-23 20:32:01,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:32:01,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 20:32:01,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:32:01,255 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 20:32:01,255 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 20:32:01,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:32:01,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 20:32:01,259 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 20:32:01,259 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 20:32:01,260 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 20:32:01,261 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 20:32:01,261 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 20:32:01,262 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 20:32:01,263 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:32:01,263 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:32:01,263 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:32:01,264 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:32:01,264 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:32:01,265 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:32:01,265 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:32:01,266 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:32:01,266 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-23 20:32:01,267 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-23 20:32:01,267 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-23 20:32:01,267 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:32:01,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:32:01,268 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:32:01,269 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:32:01,269 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-23 20:32:01,270 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 20:32:01,270 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 20:32:01,271 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:01,271 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:32:01,271 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:32:01,271 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:32:01,272 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-23 20:32:01,273 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:01,273 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 20:32:01,274 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:32:01,274 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 20:32:01,274 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 20:32:01,274 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_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0d3b5dee297a010530e733718cca08900e46ab18a4a35ca825ad2e8828fb51c7 [2023-11-23 20:32:01,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:32:01,713 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:32:01,716 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:32:01,717 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:32:01,718 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:32:01,719 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i [2023-11-23 20:32:04,928 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:32:05,204 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:32:05,205 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i [2023-11-23 20:32:05,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data/6a9359301/f84e7bbadf3e4d7a89edf13989ea7eb9/FLAGa24eedb95 [2023-11-23 20:32:05,236 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/data/6a9359301/f84e7bbadf3e4d7a89edf13989ea7eb9 [2023-11-23 20:32:05,239 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:32:05,241 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:32:05,242 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:05,243 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:32:05,248 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:32:05,249 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@de9c20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05, skipping insertion in model container [2023-11-23 20:32:05,251 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,304 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:32:05,485 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_64d14677-b3d9-447d-893a-c8fcd25f4049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i[915,928] [2023-11-23 20:32:05,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:05,627 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:32:05,645 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_64d14677-b3d9-447d-893a-c8fcd25f4049/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-2.i[915,928] [2023-11-23 20:32:05,690 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:32:05,712 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:32:05,713 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05 WrapperNode [2023-11-23 20:32:05,713 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:32:05,714 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:05,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:32:05,715 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:32:05,722 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,741 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,802 INFO L138 Inliner]: procedures = 33, calls = 164, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 463 [2023-11-23 20:32:05,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:32:05,815 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:32:05,816 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:32:05,816 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:32:05,826 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,827 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,849 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,864 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,898 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,912 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,915 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,922 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:32:05,923 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:32:05,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:32:05,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:32:05,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (1/1) ... [2023-11-23 20:32:05,930 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 20:32:05,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:05,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 20:32:06,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 20:32:06,047 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:32:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-23 20:32:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-23 20:32:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-23 20:32:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-23 20:32:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-23 20:32:06,048 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-23 20:32:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-23 20:32:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:32:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:32:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:32:06,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:32:06,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-23 20:32:06,050 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-23 20:32:06,227 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:32:06,229 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:32:07,053 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:32:07,108 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:32:07,108 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:32:07,108 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:07 BoogieIcfgContainer [2023-11-23 20:32:07,109 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:32:07,111 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 20:32:07,111 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 20:32:07,115 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 20:32:07,115 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 08:32:05" (1/3) ... [2023-11-23 20:32:07,116 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1304500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:07, skipping insertion in model container [2023-11-23 20:32:07,116 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:32:05" (2/3) ... [2023-11-23 20:32:07,117 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1304500f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 08:32:07, skipping insertion in model container [2023-11-23 20:32:07,117 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:32:07" (3/3) ... [2023-11-23 20:32:07,118 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-2.i [2023-11-23 20:32:07,139 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 20:32:07,139 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 20:32:07,193 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 20:32:07,199 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;@2082c80f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 20:32:07,199 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 20:32:07,204 INFO L276 IsEmpty]: Start isEmpty. Operand has 93 states, 78 states have (on average 1.5) internal successors, (117), 79 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 20:32:07,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:32:07,218 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:07,219 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:07,219 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:07,225 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:07,226 INFO L85 PathProgramCache]: Analyzing trace with hash 1177996884, now seen corresponding path program 1 times [2023-11-23 20:32:07,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:07,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1160904426] [2023-11-23 20:32:07,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:07,243 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 [2023-11-23 20:32:07,244 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:07,248 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:07,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:07,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:07,703 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-23 20:32:07,718 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:07,781 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-23 20:32:07,783 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:07,784 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:07,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1160904426] [2023-11-23 20:32:07,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1160904426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:07,786 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:07,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 20:32:07,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1732244282] [2023-11-23 20:32:07,790 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:07,797 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 20:32:07,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:07,844 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 20:32:07,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:07,850 INFO L87 Difference]: Start difference. First operand has 93 states, 78 states have (on average 1.5) internal successors, (117), 79 states have internal predecessors, (117), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 20:32:07,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:07,930 INFO L93 Difference]: Finished difference Result 183 states and 292 transitions. [2023-11-23 20:32:07,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 20:32:07,932 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 95 [2023-11-23 20:32:07,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:07,943 INFO L225 Difference]: With dead ends: 183 [2023-11-23 20:32:07,943 INFO L226 Difference]: Without dead ends: 91 [2023-11-23 20:32:07,948 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 20:32:07,953 INFO L413 NwaCegarLoop]: 132 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:07,954 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 132 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 20:32:07,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2023-11-23 20:32:08,013 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2023-11-23 20:32:08,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 77 states have (on average 1.4545454545454546) internal successors, (112), 77 states have internal predecessors, (112), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-23 20:32:08,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 136 transitions. [2023-11-23 20:32:08,025 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 136 transitions. Word has length 95 [2023-11-23 20:32:08,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:08,026 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 136 transitions. [2023-11-23 20:32:08,027 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 21.0) internal successors, (42), 2 states have internal predecessors, (42), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-23 20:32:08,027 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 136 transitions. [2023-11-23 20:32:08,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-23 20:32:08,040 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:08,040 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:08,052 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:08,246 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:08,247 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:08,248 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:08,248 INFO L85 PathProgramCache]: Analyzing trace with hash -876496088, now seen corresponding path program 1 times [2023-11-23 20:32:08,249 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:08,250 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1352880065] [2023-11-23 20:32:08,250 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:08,251 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 [2023-11-23 20:32:08,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:08,253 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:08,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:08,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:32:08,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:08,720 INFO L349 Elim1Store]: treesize reduction 3, result has 75.0 percent of original size [2023-11-23 20:32:08,721 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 33 treesize of output 26 [2023-11-23 20:32:09,431 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 20:32:09,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:09,433 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:09,437 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1352880065] [2023-11-23 20:32:09,437 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1352880065] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:09,438 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 20:32:09,438 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 20:32:09,438 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [652935196] [2023-11-23 20:32:09,438 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:09,441 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 20:32:09,441 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:09,442 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 20:32:09,443 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 20:32:09,443 INFO L87 Difference]: Start difference. First operand 91 states and 136 transitions. Second operand has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 20:32:09,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:09,937 INFO L93 Difference]: Finished difference Result 272 states and 407 transitions. [2023-11-23 20:32:09,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 20:32:09,939 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 95 [2023-11-23 20:32:09,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:09,942 INFO L225 Difference]: With dead ends: 272 [2023-11-23 20:32:09,942 INFO L226 Difference]: Without dead ends: 182 [2023-11-23 20:32:09,943 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 20:32:09,944 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 81 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:09,945 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 321 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-23 20:32:09,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2023-11-23 20:32:09,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 151. [2023-11-23 20:32:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 124 states have (on average 1.4274193548387097) internal successors, (177), 124 states have internal predecessors, (177), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:32:09,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 225 transitions. [2023-11-23 20:32:09,999 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 225 transitions. Word has length 95 [2023-11-23 20:32:10,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:10,001 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 225 transitions. [2023-11-23 20:32:10,001 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 3 states have internal predecessors, (38), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 20:32:10,002 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 225 transitions. [2023-11-23 20:32:10,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:32:10,005 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:10,005 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:10,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:10,212 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:10,212 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:10,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:10,213 INFO L85 PathProgramCache]: Analyzing trace with hash 2099252687, now seen corresponding path program 1 times [2023-11-23 20:32:10,214 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:10,214 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2100907030] [2023-11-23 20:32:10,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:10,215 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 [2023-11-23 20:32:10,215 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:10,217 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:10,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:10,622 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-23 20:32:10,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:13,215 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 18 treesize of output 13 [2023-11-23 20:32:14,344 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:15,055 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:15,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:16,070 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:16,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-23 20:32:16,903 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-23 20:32:17,058 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2023-11-23 20:32:17,212 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 246 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:32:17,212 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:17,348 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_63 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store |c_#memory_int| c_~var_1_9_Pointer~0.base v_ArrVal_63))) (= ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_6_Pointer~0.base) c_~var_1_6_Pointer~0.offset))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))))))) is different from false [2023-11-23 20:32:17,903 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:17,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2100907030] [2023-11-23 20:32:17,904 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2100907030] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:32:17,904 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1715285901] [2023-11-23 20:32:17,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:17,904 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:17,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:32:17,907 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:32:17,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-11-23 20:32:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:18,630 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-23 20:32:18,639 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:19,846 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 [2023-11-23 20:32:21,349 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 21 [2023-11-23 20:32:23,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-23 20:32:24,117 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-23 20:32:24,896 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-23 20:32:25,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 31 [2023-11-23 20:32:26,474 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2023-11-23 20:32:26,769 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 46 [2023-11-23 20:32:26,954 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2023-11-23 20:32:27,129 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 6 proven. 246 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:32:27,129 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:27,158 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_92 (Array (_ BitVec 32) (_ BitVec 32)))) (not (let ((.cse0 (store |c_#memory_int| c_~var_1_9_Pointer~0.base v_ArrVal_92))) (= ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_7_Pointer~0.base) c_~var_1_7_Pointer~0.offset))) ((_ zero_extend 16) ((_ extract 15 0) (select (select .cse0 c_~var_1_6_Pointer~0.base) c_~var_1_6_Pointer~0.offset))))))) is different from false [2023-11-23 20:32:27,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1715285901] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:32:27,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630848774] [2023-11-23 20:32:27,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:27,419 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-23 20:32:27,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 20:32:27,421 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-23 20:32:27,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-23 20:32:27,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:27,645 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:32:27,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:28,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 22 [2023-11-23 20:32:28,861 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-23 20:32:28,861 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-23 20:32:28,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630848774] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 20:32:28,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2023-11-23 20:32:28,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [21, 22] total 45 [2023-11-23 20:32:28,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118196429] [2023-11-23 20:32:28,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 20:32:28,863 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-23 20:32:28,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-23 20:32:28,864 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-23 20:32:28,866 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=256, Invalid=2278, Unknown=24, NotChecked=198, Total=2756 [2023-11-23 20:32:28,866 INFO L87 Difference]: Start difference. First operand 151 states and 225 transitions. Second operand has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 20:32:30,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 20:32:30,023 INFO L93 Difference]: Finished difference Result 297 states and 442 transitions. [2023-11-23 20:32:30,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-23 20:32:30,024 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 101 [2023-11-23 20:32:30,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 20:32:30,028 INFO L225 Difference]: With dead ends: 297 [2023-11-23 20:32:30,028 INFO L226 Difference]: Without dead ends: 207 [2023-11-23 20:32:30,031 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 293 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 1144 ImplicationChecksByTransitivity, 6.0s TimeCoverageRelationStatistics Valid=268, Invalid=2472, Unknown=24, NotChecked=206, Total=2970 [2023-11-23 20:32:30,032 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 203 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 355 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 355 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 355 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-23 20:32:30,032 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 222 Invalid, 355 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 355 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-23 20:32:30,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 207 states. [2023-11-23 20:32:30,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 207 to 156. [2023-11-23 20:32:30,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 129 states have (on average 1.4186046511627908) internal successors, (183), 129 states have internal predecessors, (183), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-23 20:32:30,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 231 transitions. [2023-11-23 20:32:30,057 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 231 transitions. Word has length 101 [2023-11-23 20:32:30,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 20:32:30,058 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 231 transitions. [2023-11-23 20:32:30,058 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.333333333333333) internal successors, (44), 5 states have internal predecessors, (44), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-23 20:32:30,059 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 231 transitions. [2023-11-23 20:32:30,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-23 20:32:30,060 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 20:32:30,061 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 20:32:30,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:30,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:30,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2023-11-23 20:32:30,670 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/z3 -smt2 -in SMTLIB2_COMPLIANT=true,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:30,670 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 20:32:30,671 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:32:30,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1706225677, now seen corresponding path program 1 times [2023-11-23 20:32:30,672 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-23 20:32:30,672 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1854120965] [2023-11-23 20:32:30,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:30,672 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 [2023-11-23 20:32:30,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/mathsat [2023-11-23 20:32:30,673 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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) [2023-11-23 20:32:30,675 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/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 [2023-11-23 20:32:30,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:31,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-23 20:32:31,012 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:31,948 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 [2023-11-23 20:32:32,855 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 18 treesize of output 13 [2023-11-23 20:32:33,747 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:34,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:34,761 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:35,096 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-23 20:32:35,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-23 20:32:35,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 40 [2023-11-23 20:32:36,007 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 30 [2023-11-23 20:32:36,141 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 2 proven. 246 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-23 20:32:36,141 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-23 20:32:37,047 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-23 20:32:37,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1854120965] [2023-11-23 20:32:37,047 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1854120965] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-23 20:32:37,047 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1638367794] [2023-11-23 20:32:37,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 20:32:37,048 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-23 20:32:37,048 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 [2023-11-23 20:32:37,049 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-23 20:32:37,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_64d14677-b3d9-447d-893a-c8fcd25f4049/bin/utaipan-verify-mE87zJ7Ire/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-11-23 20:32:37,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:32:37,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 276 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-23 20:32:37,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:32:38,763 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 12 treesize of output 8 [2023-11-23 20:32:40,254 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 30 treesize of output 25 [2023-11-23 20:32:42,276 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-23 20:32:43,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37 [2023-11-23 20:32:44,061 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 37