./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b58d24144d549c81ae478cdbe56bd6625ad814c6ede850dce7ec3284e5d3039 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:56:50,826 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:56:50,966 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-24 23:56:50,972 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:56:50,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:56:51,020 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:56:51,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:56:51,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:56:51,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:56:51,031 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:56:51,031 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:56:51,033 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:56:51,034 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:56:51,036 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:56:51,037 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:56:51,037 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:56:51,038 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:56:51,039 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:56:51,039 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:56:51,040 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:56:51,040 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:56:51,041 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:56:51,043 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:56:51,044 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:56:51,044 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:56:51,045 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:56:51,045 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:56:51,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:56:51,047 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:56:51,047 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:56:51,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:56:51,049 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:56:51,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:56:51,050 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:56:51,051 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:56:51,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:56:51,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:56:51,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:51,053 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:56:51,054 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:56:51,054 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:56:51,055 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:56:51,055 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:56:51,055 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:56:51,056 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:56:51,057 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:56:51,057 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:56:51,058 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_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b58d24144d549c81ae478cdbe56bd6625ad814c6ede850dce7ec3284e5d3039 [2023-11-24 23:56:51,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:56:51,451 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:56:51,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:56:51,457 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:56:51,458 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:56:51,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i [2023-11-24 23:56:54,594 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:56:54,982 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:56:54,984 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i [2023-11-24 23:56:54,996 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data/7d84984f5/ec4b0cc24f114efa8f02c5d12ac4887c/FLAG464dce657 [2023-11-24 23:56:55,017 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data/7d84984f5/ec4b0cc24f114efa8f02c5d12ac4887c [2023-11-24 23:56:55,025 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:56:55,027 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:56:55,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:55,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:56:55,036 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:56:55,037 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,038 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60276e41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55, skipping insertion in model container [2023-11-24 23:56:55,038 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,085 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:56:55,286 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_915ad983-6b0d-4c3b-95f3-c618b0670050/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i[916,929] [2023-11-24 23:56:55,368 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:55,383 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:56:55,398 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_915ad983-6b0d-4c3b-95f3-c618b0670050/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i[916,929] [2023-11-24 23:56:55,487 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:56:55,516 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:56:55,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55 WrapperNode [2023-11-24 23:56:55,517 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:56:55,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:55,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:56:55,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:56:55,529 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,607 INFO L138 Inliner]: procedures = 29, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 461 [2023-11-24 23:56:55,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:56:55,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:56:55,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:56:55,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:56:55,618 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,655 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,661 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,665 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,678 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:56:55,679 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:56:55,680 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:56:55,680 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:56:55,681 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (1/1) ... [2023-11-24 23:56:55,705 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:56:55,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:55,735 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:56:55,769 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:56:55,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:56:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:56:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:56:55,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:56:55,786 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:56:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-24 23:56:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:56:55,787 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:56:55,787 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:56:55,788 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:56:55,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:56:55,949 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:56:55,951 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:56:56,759 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:56:57,586 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:56:57,586 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:56:57,588 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:57 BoogieIcfgContainer [2023-11-24 23:56:57,588 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:56:57,591 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:56:57,591 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:56:57,595 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:56:57,595 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:56:55" (1/3) ... [2023-11-24 23:56:57,596 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62599bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:57, skipping insertion in model container [2023-11-24 23:56:57,597 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:56:55" (2/3) ... [2023-11-24 23:56:57,598 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62599bda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:56:57, skipping insertion in model container [2023-11-24 23:56:57,599 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:57" (3/3) ... [2023-11-24 23:56:57,601 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-30.i [2023-11-24 23:56:57,622 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:56:57,622 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:56:57,688 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:56:57,699 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;@2f396ca2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:56:57,700 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:56:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:56:57,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-24 23:56:57,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:56:57,720 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:56:57,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:56:57,725 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:56:57,726 INFO L85 PathProgramCache]: Analyzing trace with hash 150805852, now seen corresponding path program 1 times [2023-11-24 23:56:57,736 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:56:57,737 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1697079771] [2023-11-24 23:56:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:57,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:56:58,071 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-24 23:56:58,072 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1730074473] [2023-11-24 23:56:58,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:56:58,072 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:56:58,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:56:58,076 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:56:58,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-24 23:56:59,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:56:59,314 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:57:00,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:57:00,286 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-24 23:57:00,289 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-24 23:57:00,290 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-24 23:57:00,315 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:00,506 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:00,510 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-24 23:57:00,514 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-24 23:57:00,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:57:00,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-24 23:57:00,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:57:00,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-24 23:57:00,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:57:00,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-24 23:57:00,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:57:00,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:57:00,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:57:00,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:57:00,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-24 23:57:00,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-24 23:57:00,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-24 23:57:00,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-24 23:57:00,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-24 23:57:00,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-24 23:57:00,612 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-24 23:57:00,614 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-24 23:57:00,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:57:00,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:57:00,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:57:00,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:57:00,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:57:00,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:57:00,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:57:00,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-24 23:57:00,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-24 23:57:00,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-24 23:57:00,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated [2023-11-24 23:57:00,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-24 23:57:00,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-24 23:57:00,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-24 23:57:00,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:57:00,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:57:00,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:57:00,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:57:00,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:57:00,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:57:00,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:57:00,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-24 23:57:00,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated [2023-11-24 23:57:00,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-24 23:57:00,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-24 23:57:00,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-24 23:57:00,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-24 23:57:00,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated [2023-11-24 23:57:00,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:57:00,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-24 23:57:00,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:57:00,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated [2023-11-24 23:57:00,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:57:00,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-11-24 23:57:00,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:57:00,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated [2023-11-24 23:57:00,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:57:00,654 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-24 23:57:00,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:57:00,656 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated [2023-11-24 23:57:00,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:57:00,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-24 23:57:00,657 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:57:00,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated [2023-11-24 23:57:00,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:57:00,658 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated [2023-11-24 23:57:00,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-24 23:57:00,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated [2023-11-24 23:57:00,659 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-24 23:57:00,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated [2023-11-24 23:57:00,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-24 23:57:00,660 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated [2023-11-24 23:57:00,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 11:57:00 BoogieIcfgContainer [2023-11-24 23:57:00,683 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-24 23:57:00,683 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:57:00,684 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:57:00,684 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:57:00,684 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:56:57" (3/4) ... [2023-11-24 23:57:00,687 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:57:00,689 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:57:00,690 INFO L158 Benchmark]: Toolchain (without parser) took 5663.11ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 87.8MB in the beginning and 95.0MB in the end (delta: -7.2MB). Peak memory consumption was 48.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:00,691 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 119.5MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:00,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 487.61ms. Allocated memory is still 119.5MB. Free memory was 87.3MB in the beginning and 72.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-24 23:57:00,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 87.83ms. Allocated memory is still 119.5MB. Free memory was 72.0MB in the beginning and 66.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:00,693 INFO L158 Benchmark]: Boogie Preprocessor took 70.61ms. Allocated memory is still 119.5MB. Free memory was 66.9MB in the beginning and 63.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 23:57:00,695 INFO L158 Benchmark]: RCFGBuilder took 1908.77ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 63.2MB in the beginning and 95.1MB in the end (delta: -31.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. [2023-11-24 23:57:00,695 INFO L158 Benchmark]: TraceAbstraction took 3092.17ms. Allocated memory is still 174.1MB. Free memory was 94.1MB in the beginning and 96.1MB in the end (delta: -2.0MB). Peak memory consumption was 87.8kB. Max. memory is 16.1GB. [2023-11-24 23:57:00,696 INFO L158 Benchmark]: Witness Printer took 5.57ms. Allocated memory is still 174.1MB. Free memory was 96.1MB in the beginning and 95.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:57:00,700 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 119.5MB. Free memory is still 67.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 487.61ms. Allocated memory is still 119.5MB. Free memory was 87.3MB in the beginning and 72.0MB in the end (delta: 15.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 87.83ms. Allocated memory is still 119.5MB. Free memory was 72.0MB in the beginning and 66.9MB in the end (delta: 5.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 70.61ms. Allocated memory is still 119.5MB. Free memory was 66.9MB in the beginning and 63.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1908.77ms. Allocated memory was 119.5MB in the beginning and 174.1MB in the end (delta: 54.5MB). Free memory was 63.2MB in the beginning and 95.1MB in the end (delta: -31.9MB). Peak memory consumption was 58.4MB. Max. memory is 16.1GB. * TraceAbstraction took 3092.17ms. Allocated memory is still 174.1MB. Free memory was 94.1MB in the beginning and 96.1MB in the end (delta: -2.0MB). Peak memory consumption was 87.8kB. Max. memory is 16.1GB. * Witness Printer took 5.57ms. Allocated memory is still 174.1MB. Free memory was 96.1MB in the beginning and 95.0MB 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~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 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~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 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~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem79 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem84 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem85 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem87 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem88 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 69, overapproximation of shiftLeft at line 63, overapproximation of someUnaryFLOAToperation at line 69, overapproximation of someBinaryArithmeticFLOAToperation at line 69. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[1] = { 0 }; [L25-L27] float float_Array_0[5] = { 127.8, 32.5, 256.6, 999.25, 1000000000.5 }; [L28-L30] signed long int signed_long_int_Array_0[1] = { 0 }; [L31-L33] signed short int signed_short_int_Array_0[2] = { -32, 8 }; [L34-L36] unsigned char unsigned_char_Array_0[2][2] = { {2, 128}, {10, 64} }; [L37] signed long int last_1_signed_long_int_Array_0_0_ = 0; [L109] isInitial = 1 [L110] FCALL initially() [L111] COND TRUE 1 [L112] CALL updateLastVariables() [L102] EXPR signed_long_int_Array_0[0] [L102] last_1_signed_long_int_Array_0_0_ = signed_long_int_Array_0[0] [L112] RET updateLastVariables() [L113] CALL updateVariables() [L74] BOOL_unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] EXPR BOOL_unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L77] float_Array_0[0] = __VERIFIER_nondet_float() [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F [L78] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F [L78] EXPR float_Array_0[0] [L78] EXPR float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F [L78] EXPR (float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L78] CALL assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((float_Array_0[0] >= -461168.6018427382800e+13F && float_Array_0[0] <= -1.0e-20F) || (float_Array_0[0] <= 4611686.018427382800e+12F && float_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L79] float_Array_0[3] = __VERIFIER_nondet_float() [L80] EXPR float_Array_0[3] [L80] EXPR float_Array_0[3] >= -461168.6018427382800e+13F && float_Array_0[3] <= -1.0e-20F [L80] EXPR float_Array_0[3] [L80] EXPR float_Array_0[3] >= -461168.6018427382800e+13F && float_Array_0[3] <= -1.0e-20F [L80] EXPR (float_Array_0[3] >= -461168.6018427382800e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 4611686.018427382800e+12F && float_Array_0[3] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L80] CALL assume_abort_if_not((float_Array_0[3] >= -461168.6018427382800e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 4611686.018427382800e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((float_Array_0[3] >= -461168.6018427382800e+13F && float_Array_0[3] <= -1.0e-20F) || (float_Array_0[3] <= 4611686.018427382800e+12F && float_Array_0[3] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L81] float_Array_0[4] = __VERIFIER_nondet_float() [L82] EXPR float_Array_0[4] [L82] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L82] EXPR float_Array_0[4] [L82] EXPR float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F [L82] EXPR (float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L82] CALL assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((float_Array_0[4] >= 0.0F && float_Array_0[4] <= -1.0e-20F) || (float_Array_0[4] <= 9223372.036854765600e+12F && float_Array_0[4] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L83] signed_short_int_Array_0[0] = __VERIFIER_nondet_short() [L84] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L84] CALL assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_short_int_Array_0[0] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L85] CALL assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L85] RET assume_abort_if_not(signed_short_int_Array_0[0] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] EXPR signed_short_int_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L86] CALL assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_short_int_Array_0[0] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L87] signed_short_int_Array_0[1] = __VERIFIER_nondet_short() [L88] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L88] CALL assume_abort_if_not(signed_short_int_Array_0[1] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L88] RET assume_abort_if_not(signed_short_int_Array_0[1] >= -32768) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L89] CALL assume_abort_if_not(signed_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(signed_short_int_Array_0[1] <= 32767) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] EXPR signed_short_int_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L90] CALL assume_abort_if_not(signed_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(signed_short_int_Array_0[1] != 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L91] unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L92] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] EXPR unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_char_Array_0[0][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L94] unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L95] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L96] EXPR unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_char_Array_0[1][0] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L97] unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L98] EXPR unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L98] CALL assume_abort_if_not(unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(unsigned_char_Array_0[0][1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L99] EXPR unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L99] CALL assume_abort_if_not(unsigned_char_Array_0[0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(unsigned_char_Array_0[0][1] <= 254) VAL [BOOL_unsigned_char_Array_0={4:0}, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L113] RET updateVariables() [L114] CALL step() [L41] EXPR signed_short_int_Array_0[1] [L41] EXPR signed_short_int_Array_0[0] [L41] signed long int stepLocal_0 = (last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0]; [L42] BOOL_unsigned_char_Array_0[0] [L42] COND FALSE !(BOOL_unsigned_char_Array_0[0]) [L47] EXPR unsigned_char_Array_0[0][0] [L47] unsigned_char_Array_0[1][1] = unsigned_char_Array_0[0][0] [L49] EXPR unsigned_char_Array_0[1][1] [L49] unsigned char stepLocal_2 = unsigned_char_Array_0[1][1]; [L50] EXPR unsigned_char_Array_0[1][1] [L50] EXPR unsigned_char_Array_0[1][1] [L50] signed long int stepLocal_1 = unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]; [L51] EXPR signed_short_int_Array_0[0] [L51] COND FALSE !(stepLocal_1 < signed_short_int_Array_0[0]) [L60] EXPR unsigned_char_Array_0[0][0] [L60] signed_long_int_Array_0[0] = unsigned_char_Array_0[0][0] [L62] EXPR unsigned_char_Array_0[1][1] [L62] unsigned char stepLocal_4 = unsigned_char_Array_0[1][1]; [L63] EXPR unsigned_char_Array_0[0][0] [L63] EXPR signed_short_int_Array_0[1] [L63] EXPR signed_short_int_Array_0[0] [L63] EXPR (unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0] [L63] signed long int stepLocal_3 = (unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0]; [L64] EXPR signed_long_int_Array_0[0] [L64] COND FALSE !(stepLocal_4 > signed_long_int_Array_0[0]) [L69] EXPR float_Array_0[0] [L69] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L69] EXPR float_Array_0[0] [L69] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L69] EXPR float_Array_0[4] [L69] float_Array_0[1] = (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4]) [L71] EXPR float_Array_0[4] [L71] float_Array_0[2] = float_Array_0[4] [L114] RET step() [L115] CALL, EXPR property() [L105] EXPR BOOL_unsigned_char_Array_0[0] [L105] EXPR BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0])) [L105] EXPR unsigned_char_Array_0[1][1] [L105] EXPR unsigned_char_Array_0[0][0] [L105] EXPR BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0])) [L105] EXPR (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) && (((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0]))) [L105] EXPR unsigned_char_Array_0[1][1] [L105] EXPR unsigned_char_Array_0[1][1] [L105] EXPR signed_short_int_Array_0[0] [L105] EXPR ((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0])) [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR unsigned_char_Array_0[0][0] [L105] EXPR ((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0])) [L105] EXPR (BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) && (((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0]))) [L105] EXPR ((BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) && (((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0])))) && ((unsigned_char_Array_0[1][1] > signed_long_int_Array_0[0]) ? ((unsigned_char_Array_0[1][1] <= ((unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0])) ? (float_Array_0[1] == ((float) (float_Array_0[0] + float_Array_0[3]))) : 1) : (float_Array_0[1] == ((float) (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4])))) [L105] EXPR unsigned_char_Array_0[1][1] [L105] EXPR signed_long_int_Array_0[0] [L105] EXPR (unsigned_char_Array_0[1][1] > signed_long_int_Array_0[0]) ? ((unsigned_char_Array_0[1][1] <= ((unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0])) ? (float_Array_0[1] == ((float) (float_Array_0[0] + float_Array_0[3]))) : 1) : (float_Array_0[1] == ((float) (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4]))) [L105] EXPR float_Array_0[1] [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[0] [L105] EXPR ((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]) [L105] EXPR float_Array_0[4] [L105] EXPR (unsigned_char_Array_0[1][1] > signed_long_int_Array_0[0]) ? ((unsigned_char_Array_0[1][1] <= ((unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0])) ? (float_Array_0[1] == ((float) (float_Array_0[0] + float_Array_0[3]))) : 1) : (float_Array_0[1] == ((float) (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4]))) [L105] EXPR ((BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) && (((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0])))) && ((unsigned_char_Array_0[1][1] > signed_long_int_Array_0[0]) ? ((unsigned_char_Array_0[1][1] <= ((unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0])) ? (float_Array_0[1] == ((float) (float_Array_0[0] + float_Array_0[3]))) : 1) : (float_Array_0[1] == ((float) (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4])))) [L105] EXPR (((BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) && (((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0])))) && ((unsigned_char_Array_0[1][1] > signed_long_int_Array_0[0]) ? ((unsigned_char_Array_0[1][1] <= ((unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0])) ? (float_Array_0[1] == ((float) (float_Array_0[0] + float_Array_0[3]))) : 1) : (float_Array_0[1] == ((float) (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4]))))) && (float_Array_0[2] == ((float) float_Array_0[4])) [L105-L106] return (((BOOL_unsigned_char_Array_0[0] ? ((last_1_signed_long_int_Array_0_0_ > ((last_1_signed_long_int_Array_0_0_ / signed_short_int_Array_0[1]) % signed_short_int_Array_0[0])) ? (unsigned_char_Array_0[1][1] == ((unsigned char) ((((((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) > (unsigned_char_Array_0[0][0])) ? (((((unsigned_char_Array_0[0][1]) < (unsigned_char_Array_0[1][0])) ? (unsigned_char_Array_0[0][1]) : (unsigned_char_Array_0[1][0])))) : (unsigned_char_Array_0[0][0]))))) : 1) : (unsigned_char_Array_0[1][1] == ((unsigned char) unsigned_char_Array_0[0][0]))) && (((unsigned_char_Array_0[1][1] + unsigned_char_Array_0[1][1]) < signed_short_int_Array_0[0]) ? (BOOL_unsigned_char_Array_0[0] ? ((signed_short_int_Array_0[1] > unsigned_char_Array_0[1][1]) ? (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][1])) : 1) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[1][0]))) : (signed_long_int_Array_0[0] == ((signed long int) unsigned_char_Array_0[0][0])))) && ((unsigned_char_Array_0[1][1] > signed_long_int_Array_0[0]) ? ((unsigned_char_Array_0[1][1] <= ((unsigned_char_Array_0[0][0] / signed_short_int_Array_0[1]) << signed_short_int_Array_0[0])) ? (float_Array_0[1] == ((float) (float_Array_0[0] + float_Array_0[3]))) : 1) : (float_Array_0[1] == ((float) (((((float_Array_0[0]) < 0 ) ? -(float_Array_0[0]) : (float_Array_0[0]))) - float_Array_0[4]))))) && (float_Array_0[2] == ((float) float_Array_0[4])) ; [L115] RET, EXPR property() [L115] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, float_Array_0={5:0}, isInitial=1, last_1_signed_long_int_Array_0_0_=0, signed_long_int_Array_0={6:0}, signed_short_int_Array_0={7:0}, unsigned_char_Array_0={8:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 1, TraceHistogramMax: 17, 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=43occurred 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, 1.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:57:00,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6b58d24144d549c81ae478cdbe56bd6625ad814c6ede850dce7ec3284e5d3039 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:57:03,522 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:57:03,657 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-24 23:57:03,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:57:03,682 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:57:03,721 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:57:03,722 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:57:03,723 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:57:03,724 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:57:03,729 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:57:03,730 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:57:03,730 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:57:03,731 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:57:03,733 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:57:03,733 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:57:03,734 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:57:03,735 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:57:03,736 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:57:03,736 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:57:03,737 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:57:03,737 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:57:03,738 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:57:03,738 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:57:03,739 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:57:03,739 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:57:03,740 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:57:03,740 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:57:03,741 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:57:03,741 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:57:03,742 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:57:03,743 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:57:03,743 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-24 23:57:03,744 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:57:03,744 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:57:03,745 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:03,745 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:57:03,745 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:57:03,746 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:57:03,746 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:57:03,747 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:03,747 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:57:03,748 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:57:03,748 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:57:03,748 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:57:03,749 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_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6b58d24144d549c81ae478cdbe56bd6625ad814c6ede850dce7ec3284e5d3039 [2023-11-24 23:57:04,176 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:57:04,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:57:04,216 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:57:04,218 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:57:04,219 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:57:04,220 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i [2023-11-24 23:57:07,448 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:57:07,728 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:57:07,741 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i [2023-11-24 23:57:07,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data/2db9b2504/5ed31fd21e3649509de4c380f139f768/FLAG8cff77747 [2023-11-24 23:57:07,768 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/data/2db9b2504/5ed31fd21e3649509de4c380f139f768 [2023-11-24 23:57:07,771 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:57:07,773 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:57:07,774 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:07,775 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:57:07,781 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:57:07,782 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,783 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@164a71c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:07, skipping insertion in model container [2023-11-24 23:57:07,783 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:57:07" (1/1) ... [2023-11-24 23:57:07,834 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:57:08,004 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_915ad983-6b0d-4c3b-95f3-c618b0670050/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i[916,929] [2023-11-24 23:57:08,151 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:08,178 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:57:08,198 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_915ad983-6b0d-4c3b-95f3-c618b0670050/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-30.i[916,929] [2023-11-24 23:57:08,294 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:57:08,318 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:57:08,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08 WrapperNode [2023-11-24 23:57:08,318 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:57:08,320 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:08,320 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:57:08,320 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:57:08,329 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,351 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,455 INFO L138 Inliner]: procedures = 36, calls = 172, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 451 [2023-11-24 23:57:08,458 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:57:08,459 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:57:08,460 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:57:08,460 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:57:08,488 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,488 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,522 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,545 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,601 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,605 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,609 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,616 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:57:08,618 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:57:08,618 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:57:08,618 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:57:08,619 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (1/1) ... [2023-11-24 23:57:08,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:57:08,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:08,676 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:57:08,714 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:57:08,731 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:57:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-24 23:57:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-24 23:57:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:57:08,732 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-11-24 23:57:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-24 23:57:08,733 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:57:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-24 23:57:08,735 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 23:57:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-24 23:57:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-24 23:57:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-24 23:57:08,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:57:08,736 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:57:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-24 23:57:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-24 23:57:08,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:57:08,885 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:57:08,888 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:57:10,259 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:57:10,329 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:57:10,329 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:57:10,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:10 BoogieIcfgContainer [2023-11-24 23:57:10,330 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:57:10,332 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:57:10,333 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:57:10,336 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:57:10,337 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:57:07" (1/3) ... [2023-11-24 23:57:10,337 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4ada7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:10, skipping insertion in model container [2023-11-24 23:57:10,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:57:08" (2/3) ... [2023-11-24 23:57:10,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b4ada7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:57:10, skipping insertion in model container [2023-11-24 23:57:10,342 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:57:10" (3/3) ... [2023-11-24 23:57:10,343 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-30.i [2023-11-24 23:57:10,362 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:57:10,363 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:57:10,416 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:57:10,423 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;@ab068f6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:57:10,423 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:57:10,428 INFO L276 IsEmpty]: Start isEmpty. Operand has 107 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:10,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:57:10,444 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:10,445 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:10,446 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:10,452 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:10,452 INFO L85 PathProgramCache]: Analyzing trace with hash 549758872, now seen corresponding path program 1 times [2023-11-24 23:57:10,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:10,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [543400950] [2023-11-24 23:57:10,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:10,469 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:10,469 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:10,472 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:10,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-24 23:57:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:11,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:57:11,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-24 23:57:11,225 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:11,226 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:11,226 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [543400950] [2023-11-24 23:57:11,227 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [543400950] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:11,227 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:11,227 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:57:11,229 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212181057] [2023-11-24 23:57:11,230 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:11,237 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-24 23:57:11,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:11,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-24 23:57:11,277 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:11,281 INFO L87 Difference]: Start difference. First operand has 107 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 88 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:11,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:11,410 INFO L93 Difference]: Finished difference Result 211 states and 335 transitions. [2023-11-24 23:57:11,412 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-24 23:57:11,413 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2023-11-24 23:57:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:11,422 INFO L225 Difference]: With dead ends: 211 [2023-11-24 23:57:11,422 INFO L226 Difference]: Without dead ends: 105 [2023-11-24 23:57:11,426 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 129 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-24 23:57:11,430 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:11,431 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 150 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-24 23:57:11,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-11-24 23:57:11,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 105. [2023-11-24 23:57:11,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 105 states, 86 states have (on average 1.4069767441860466) internal successors, (121), 86 states have internal predecessors, (121), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:11,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 105 states and 155 transitions. [2023-11-24 23:57:11,498 INFO L78 Accepts]: Start accepts. Automaton has 105 states and 155 transitions. Word has length 130 [2023-11-24 23:57:11,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:11,499 INFO L495 AbstractCegarLoop]: Abstraction has 105 states and 155 transitions. [2023-11-24 23:57:11,499 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.0) internal successors, (52), 2 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:11,499 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 155 transitions. [2023-11-24 23:57:11,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:57:11,503 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:11,503 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:11,514 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Ended with exit code 0 [2023-11-24 23:57:11,709 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:11,710 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:11,710 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:11,711 INFO L85 PathProgramCache]: Analyzing trace with hash -1341186962, now seen corresponding path program 1 times [2023-11-24 23:57:11,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:11,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [927048198] [2023-11-24 23:57:11,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:11,713 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:11,713 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:11,714 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:11,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-24 23:57:12,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:12,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 23:57:12,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:12,287 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-11-24 23:57:12,287 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:12,288 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:12,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [927048198] [2023-11-24 23:57:12,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [927048198] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:12,289 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:12,289 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-24 23:57:12,290 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885777432] [2023-11-24 23:57:12,290 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:12,292 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-24 23:57:12,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:12,294 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-24 23:57:12,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-24 23:57:12,316 INFO L87 Difference]: Start difference. First operand 105 states and 155 transitions. Second operand has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:12,589 INFO L93 Difference]: Finished difference Result 215 states and 318 transitions. [2023-11-24 23:57:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-24 23:57:12,590 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2023-11-24 23:57:12,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:12,593 INFO L225 Difference]: With dead ends: 215 [2023-11-24 23:57:12,595 INFO L226 Difference]: Without dead ends: 111 [2023-11-24 23:57:12,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:57:12,601 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 10 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:12,602 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 439 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:57:12,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-24 23:57:12,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2023-11-24 23:57:12,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 88 states have (on average 1.3977272727272727) internal successors, (123), 88 states have internal predecessors, (123), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:12,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 157 transitions. [2023-11-24 23:57:12,639 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 157 transitions. Word has length 130 [2023-11-24 23:57:12,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:12,643 INFO L495 AbstractCegarLoop]: Abstraction has 107 states and 157 transitions. [2023-11-24 23:57:12,644 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.75) internal successors, (51), 4 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:12,644 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 157 transitions. [2023-11-24 23:57:12,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:57:12,654 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:12,654 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:12,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-24 23:57:12,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:12,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:12,870 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:12,870 INFO L85 PathProgramCache]: Analyzing trace with hash -1008543824, now seen corresponding path program 1 times [2023-11-24 23:57:12,871 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:12,872 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1933467043] [2023-11-24 23:57:12,872 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:12,872 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:12,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:12,875 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:12,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-24 23:57:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:13,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 23:57:13,397 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:13,472 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-24 23:57:13,477 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:13,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:13,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1933467043] [2023-11-24 23:57:13,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1933467043] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:13,480 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:13,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:57:13,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173409826] [2023-11-24 23:57:13,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:13,483 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-24 23:57:13,485 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:13,486 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-24 23:57:13,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-24 23:57:13,489 INFO L87 Difference]: Start difference. First operand 107 states and 157 transitions. Second operand has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-24 23:57:13,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:13,778 INFO L93 Difference]: Finished difference Result 222 states and 325 transitions. [2023-11-24 23:57:13,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:57:13,780 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 130 [2023-11-24 23:57:13,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:13,783 INFO L225 Difference]: With dead ends: 222 [2023-11-24 23:57:13,783 INFO L226 Difference]: Without dead ends: 116 [2023-11-24 23:57:13,785 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-24 23:57:13,787 INFO L413 NwaCegarLoop]: 146 mSDtfsCounter, 10 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 579 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:13,788 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 579 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-24 23:57:13,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2023-11-24 23:57:13,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 111. [2023-11-24 23:57:13,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 92 states have (on average 1.3804347826086956) internal successors, (127), 92 states have internal predecessors, (127), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:13,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-11-24 23:57:13,802 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 130 [2023-11-24 23:57:13,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:13,804 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-11-24 23:57:13,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.6) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-24 23:57:13,805 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-24 23:57:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-24 23:57:13,807 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:13,808 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:13,826 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-24 23:57:14,021 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:14,021 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:14,022 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:14,022 INFO L85 PathProgramCache]: Analyzing trace with hash -1008484242, now seen corresponding path program 1 times [2023-11-24 23:57:14,023 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:14,023 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1825951925] [2023-11-24 23:57:14,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:14,024 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:14,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:14,025 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:14,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-24 23:57:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:14,529 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 23:57:14,536 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:14,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 41 [2023-11-24 23:57:14,818 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-24 23:57:14,819 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:14,819 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:14,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1825951925] [2023-11-24 23:57:14,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1825951925] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:14,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:14,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:57:14,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779062912] [2023-11-24 23:57:14,825 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:14,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:57:14,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:14,830 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:57:14,830 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:57:14,830 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:16,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:16,481 INFO L93 Difference]: Finished difference Result 227 states and 330 transitions. [2023-11-24 23:57:16,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-24 23:57:16,486 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 130 [2023-11-24 23:57:16,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:16,488 INFO L225 Difference]: With dead ends: 227 [2023-11-24 23:57:16,488 INFO L226 Difference]: Without dead ends: 117 [2023-11-24 23:57:16,489 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-24 23:57:16,490 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 143 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:16,491 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 420 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-24 23:57:16,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2023-11-24 23:57:16,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 111. [2023-11-24 23:57:16,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 92 states have (on average 1.3695652173913044) internal successors, (126), 92 states have internal predecessors, (126), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:16,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 160 transitions. [2023-11-24 23:57:16,505 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 160 transitions. Word has length 130 [2023-11-24 23:57:16,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:16,505 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 160 transitions. [2023-11-24 23:57:16,506 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:16,506 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 160 transitions. [2023-11-24 23:57:16,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2023-11-24 23:57:16,508 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:16,508 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:16,523 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:16,721 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:16,722 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:16,722 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:16,722 INFO L85 PathProgramCache]: Analyzing trace with hash 1305869992, now seen corresponding path program 1 times [2023-11-24 23:57:16,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:16,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1536521158] [2023-11-24 23:57:16,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:16,723 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:16,724 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:16,724 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:16,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-24 23:57:17,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:17,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 283 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 23:57:17,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:18,375 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:18,491 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 19 [2023-11-24 23:57:18,570 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:18,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 31 [2023-11-24 23:57:18,648 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:18,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 18 [2023-11-24 23:57:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-11-24 23:57:18,697 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:18,697 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:18,697 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1536521158] [2023-11-24 23:57:18,698 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1536521158] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:18,698 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:18,698 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-24 23:57:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171855763] [2023-11-24 23:57:18,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:18,699 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-24 23:57:18,699 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:18,700 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-24 23:57:18,700 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2023-11-24 23:57:18,701 INFO L87 Difference]: Start difference. First operand 111 states and 160 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-24 23:57:20,649 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:20,650 INFO L93 Difference]: Finished difference Result 235 states and 341 transitions. [2023-11-24 23:57:20,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-24 23:57:20,651 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 132 [2023-11-24 23:57:20,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:20,653 INFO L225 Difference]: With dead ends: 235 [2023-11-24 23:57:20,654 INFO L226 Difference]: Without dead ends: 125 [2023-11-24 23:57:20,654 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2023-11-24 23:57:20,655 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 117 mSDsluCounter, 190 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 117 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:20,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [117 Valid, 294 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2023-11-24 23:57:20,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2023-11-24 23:57:20,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 117. [2023-11-24 23:57:20,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 98 states have (on average 1.3775510204081634) internal successors, (135), 98 states have internal predecessors, (135), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:20,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 169 transitions. [2023-11-24 23:57:20,670 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 169 transitions. Word has length 132 [2023-11-24 23:57:20,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:20,671 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 169 transitions. [2023-11-24 23:57:20,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) internal successors, (50), 5 states have internal predecessors, (50), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-11-24 23:57:20,672 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 169 transitions. [2023-11-24 23:57:20,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-24 23:57:20,674 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:20,674 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:20,687 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:20,887 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:20,887 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:20,888 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:20,888 INFO L85 PathProgramCache]: Analyzing trace with hash -215833220, now seen corresponding path program 1 times [2023-11-24 23:57:20,888 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:20,889 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1022476936] [2023-11-24 23:57:20,889 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:20,890 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:20,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:20,891 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:20,932 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-24 23:57:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:21,477 INFO L262 TraceCheckSpWp]: Trace formula consists of 285 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:57:21,486 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:22,510 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 23:57:22,666 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 14 treesize of output 10 [2023-11-24 23:57:22,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 14 [2023-11-24 23:57:23,244 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:23,244 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 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 30 treesize of output 32 [2023-11-24 23:57:23,375 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 34 treesize of output 25 [2023-11-24 23:57:23,542 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 34 treesize of output 25 [2023-11-24 23:57:23,575 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 34 treesize of output 25 [2023-11-24 23:57:23,650 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-24 23:57:23,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 70 treesize of output 34 [2023-11-24 23:57:23,713 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 208 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2023-11-24 23:57:23,713 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-24 23:57:23,713 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:23,713 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1022476936] [2023-11-24 23:57:23,713 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1022476936] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:57:23,713 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:57:23,714 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-24 23:57:23,714 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1257073402] [2023-11-24 23:57:23,714 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:57:23,714 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-11-24 23:57:23,714 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:23,715 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-11-24 23:57:23,715 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2023-11-24 23:57:23,716 INFO L87 Difference]: Start difference. First operand 117 states and 169 transitions. Second operand has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:26,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:57:26,783 INFO L93 Difference]: Finished difference Result 301 states and 430 transitions. [2023-11-24 23:57:26,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-24 23:57:26,786 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 133 [2023-11-24 23:57:26,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:57:26,788 INFO L225 Difference]: With dead ends: 301 [2023-11-24 23:57:26,789 INFO L226 Difference]: Without dead ends: 185 [2023-11-24 23:57:26,790 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2023-11-24 23:57:26,791 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 305 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 305 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 398 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.8s IncrementalHoareTripleChecker+Time [2023-11-24 23:57:26,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [305 Valid, 314 Invalid, 398 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 2.8s Time] [2023-11-24 23:57:26,793 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2023-11-24 23:57:26,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 130. [2023-11-24 23:57:26,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 130 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-11-24 23:57:26,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 185 transitions. [2023-11-24 23:57:26,814 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 185 transitions. Word has length 133 [2023-11-24 23:57:26,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:57:26,815 INFO L495 AbstractCegarLoop]: Abstraction has 130 states and 185 transitions. [2023-11-24 23:57:26,816 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 6.0) internal successors, (54), 8 states have internal predecessors, (54), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-11-24 23:57:26,816 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 185 transitions. [2023-11-24 23:57:26,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2023-11-24 23:57:26,823 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:57:26,823 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:57:26,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2023-11-24 23:57:27,024 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:27,024 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:57:27,024 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:57:27,025 INFO L85 PathProgramCache]: Analyzing trace with hash 476540879, now seen corresponding path program 1 times [2023-11-24 23:57:27,025 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-24 23:57:27,025 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [186720257] [2023-11-24 23:57:27,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:27,025 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-24 23:57:27,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-24 23:57:27,026 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-24 23:57:27,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-24 23:57:27,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:27,576 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-24 23:57:27,583 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:27,651 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:27,932 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:28,138 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:28,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:28,555 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:28,955 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:29,296 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:29,466 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:29,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:29,953 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 [2023-11-24 23:57:30,030 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 [2023-11-24 23:57:30,049 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-24 23:57:30,080 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 344 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-24 23:57:30,081 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:31,023 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-24 23:57:31,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [186720257] [2023-11-24 23:57:31,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [186720257] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:31,024 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [46090255] [2023-11-24 23:57:31,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:31,024 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:57:31,024 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/cvc4 [2023-11-24 23:57:31,053 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:57:31,059 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-11-24 23:57:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:32,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-24 23:57:32,239 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:32,293 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-24 23:57:32,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:32,742 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:32,939 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:33,179 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:33,588 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:33,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:34,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:34,281 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-24 23:57:34,473 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 [2023-11-24 23:57:34,520 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 [2023-11-24 23:57:34,543 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2023-11-24 23:57:34,698 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 344 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-24 23:57:34,698 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:35,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [46090255] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:35,116 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1020702829] [2023-11-24 23:57:35,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:57:35,117 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-24 23:57:35,117 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:57:35,120 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-24 23:57:35,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_915ad983-6b0d-4c3b-95f3-c618b0670050/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-24 23:57:35,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:57:35,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 281 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-24 23:57:35,826 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:57:35,874 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 [2023-11-24 23:57:36,685 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 26 treesize of output 19 [2023-11-24 23:57:36,998 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 26 treesize of output 19 [2023-11-24 23:57:37,334 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 26 treesize of output 19 [2023-11-24 23:57:37,735 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 26 treesize of output 19 [2023-11-24 23:57:38,319 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 26 treesize of output 19 [2023-11-24 23:57:38,889 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 26 treesize of output 19 [2023-11-24 23:57:39,239 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 26 treesize of output 19 [2023-11-24 23:57:39,607 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 26 treesize of output 19 [2023-11-24 23:57:40,310 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 35 treesize of output 26 [2023-11-24 23:57:40,687 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 35 treesize of output 26 [2023-11-24 23:57:40,716 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 19 [2023-11-24 23:57:40,793 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 33 proven. 362 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2023-11-24 23:57:40,793 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-24 23:57:40,807 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_280 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= ((_ extract 7 0) (select (select (store |c_#memory_int| |c_~#float_Array_0~0.base| v_ArrVal_280) |c_~#BOOL_unsigned_char_Array_0~0.base|) |c_~#BOOL_unsigned_char_Array_0~0.offset|)) (_ bv0 8)))) is different from false [2023-11-24 23:57:41,214 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1020702829] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-24 23:57:41,215 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-24 23:57:41,215 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 13] total 20 [2023-11-24 23:57:41,215 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1063122130] [2023-11-24 23:57:41,215 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-24 23:57:41,216 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2023-11-24 23:57:41,216 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-24 23:57:41,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2023-11-24 23:57:41,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=179, Invalid=693, Unknown=62, NotChecked=58, Total=992 [2023-11-24 23:57:41,219 INFO L87 Difference]: Start difference. First operand 130 states and 185 transitions. Second operand has 21 states, 20 states have (on average 5.6) internal successors, (112), 20 states have internal predecessors, (112), 8 states have call successors, (34), 7 states have call predecessors, (34), 8 states have return successors, (34), 7 states have call predecessors, (34), 8 states have call successors, (34)