./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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_943a0f35-8d05-40a7-8bcd-c253b104186a/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 13746df1a3970e1622f02d2f93a14bca6db6fbfac535cca3dbaecdc2ea14baae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:02,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:02,766 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:02:02,772 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:02,772 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:02,800 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:02,801 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:02,801 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:02,802 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:02,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:02,803 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:02,804 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:02,804 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:02,805 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:02:02,805 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:02,806 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:02,806 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:02:02,807 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:02:02,807 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:02,808 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:02:02,809 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:02:02,809 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:02:02,810 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:02,810 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:02,811 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:02,811 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:02:02,812 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:02,812 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:02,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:02,813 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:02,813 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:02,814 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:02,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:02,814 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:02,815 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:02,815 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:02,815 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:02,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:02,816 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:02,816 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:02,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:02,817 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:02:02,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:02:02,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:02,818 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:02,818 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:02,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:02,819 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_943a0f35-8d05-40a7-8bcd-c253b104186a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13746df1a3970e1622f02d2f93a14bca6db6fbfac535cca3dbaecdc2ea14baae [2023-11-25 00:02:03,069 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:03,094 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:03,098 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:03,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:03,101 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:03,103 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i [2023-11-25 00:02:06,261 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:06,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:06,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i [2023-11-25 00:02:06,497 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data/2f0eec084/0e6ec3b1f1a74bdbafb89522545672c0/FLAG79d857847 [2023-11-25 00:02:06,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data/2f0eec084/0e6ec3b1f1a74bdbafb89522545672c0 [2023-11-25 00:02:06,515 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:06,516 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:06,518 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:06,518 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:06,523 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:06,524 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,525 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d96b18b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06, skipping insertion in model container [2023-11-25 00:02:06,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,553 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:06,699 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_943a0f35-8d05-40a7-8bcd-c253b104186a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i[916,929] [2023-11-25 00:02:06,763 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:06,776 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:06,786 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_943a0f35-8d05-40a7-8bcd-c253b104186a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i[916,929] [2023-11-25 00:02:06,832 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:06,856 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:06,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06 WrapperNode [2023-11-25 00:02:06,857 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:06,858 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:06,858 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:06,858 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:06,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,878 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,930 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 397 [2023-11-25 00:02:06,930 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:06,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:06,931 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:06,931 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:06,953 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,953 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,966 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:06,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:07,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:07,016 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:07,019 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:07,028 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:07,029 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:07,030 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:07,030 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:07,031 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (1/1) ... [2023-11-25 00:02:07,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:07,052 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:07,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:07,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:07,105 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:02:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:02:07,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:02:07,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:02:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:02:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:07,110 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:02:07,110 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:07,111 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:07,265 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:07,267 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:07,803 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:08,418 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:08,418 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:08,421 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:08 BoogieIcfgContainer [2023-11-25 00:02:08,422 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:08,425 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:08,425 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:08,429 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:08,429 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:06" (1/3) ... [2023-11-25 00:02:08,431 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bef2cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:08, skipping insertion in model container [2023-11-25 00:02:08,431 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:06" (2/3) ... [2023-11-25 00:02:08,433 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@bef2cda and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:08, skipping insertion in model container [2023-11-25 00:02:08,434 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:08" (3/3) ... [2023-11-25 00:02:08,437 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-34.i [2023-11-25 00:02:08,458 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:08,458 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:08,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:08,540 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;@5d146043, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:08,541 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:08,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 55 states, 29 states have (on average 1.103448275862069) internal successors, (32), 30 states have internal predecessors, (32), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-25 00:02:08,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-25 00:02:08,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:08,572 INFO L195 NwaCegarLoop]: trace histogram [23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:08,573 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:08,581 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:08,581 INFO L85 PathProgramCache]: Analyzing trace with hash -1755896473, now seen corresponding path program 1 times [2023-11-25 00:02:08,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:02:08,593 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497496564] [2023-11-25 00:02:08,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:08,594 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:02:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:10,327 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:02:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:02:11,896 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:02:11,898 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:02:11,899 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:02:11,905 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-25 00:02:11,910 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:02:11,919 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:02:11,991 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-25 00:02:11,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-25 00:02:11,995 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-25 00:02:11,996 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-25 00:02:11,997 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-25 00:02:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-25 00:02:11,998 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-25 00:02:11,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-25 00:02:11,999 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-25 00:02:12,000 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-25 00:02:12,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-25 00:02:12,001 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-25 00:02:12,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:02:12,002 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:02:12,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:02:12,003 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:02:12,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:02:12,004 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:02:12,005 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:02:12,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:02:12,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-25 00:02:12,006 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:02:12,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-25 00:02:12,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:02:12,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:02:12,007 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-25 00:02:12,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-25 00:02:12,008 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-25 00:02:12,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:02:12,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-25 00:02:12,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-25 00:02:12,009 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-11-25 00:02:12,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-25 00:02:12,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-25 00:02:12,010 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:02:12,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:02:12,011 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:02:12,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:02:12,012 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:02:12,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-25 00:02:12,013 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:02:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-25 00:02:12,014 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:02:12,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:02:12,015 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-25 00:02:12,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-25 00:02:12,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:02:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:02:12,017 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:02:12,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-25 00:02:12,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:02:12,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-25 00:02:12,019 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:02:12,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-25 00:02:12,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-25 00:02:12,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-25 00:02:12,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-25 00:02:12,021 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated [2023-11-25 00:02:12,043 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:02:12 BoogieIcfgContainer [2023-11-25 00:02:12,044 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:02:12,044 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:02:12,045 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:02:12,045 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:02:12,046 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:08" (3/4) ... [2023-11-25 00:02:12,048 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:02:12,049 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:02:12,050 INFO L158 Benchmark]: Toolchain (without parser) took 5534.05ms. Allocated memory was 138.4MB in the beginning and 226.5MB in the end (delta: 88.1MB). Free memory was 93.8MB in the beginning and 129.5MB in the end (delta: -35.8MB). Peak memory consumption was 54.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:12,051 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:12,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 339.38ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 78.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:02:12,052 INFO L158 Benchmark]: Boogie Procedure Inliner took 72.53ms. Allocated memory is still 138.4MB. Free memory was 78.8MB in the beginning and 74.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:12,053 INFO L158 Benchmark]: Boogie Preprocessor took 98.00ms. Allocated memory is still 138.4MB. Free memory was 74.9MB in the beginning and 71.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:12,054 INFO L158 Benchmark]: RCFGBuilder took 1392.41ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 71.6MB in the beginning and 133.5MB in the end (delta: -61.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. [2023-11-25 00:02:12,055 INFO L158 Benchmark]: TraceAbstraction took 3618.85ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 133.5MB in the beginning and 130.6MB in the end (delta: 2.9MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. [2023-11-25 00:02:12,056 INFO L158 Benchmark]: Witness Printer took 4.88ms. Allocated memory is still 226.5MB. Free memory was 130.6MB in the beginning and 129.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:02:12,059 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 138.4MB. Free memory is still 86.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 339.38ms. Allocated memory is still 138.4MB. Free memory was 93.5MB in the beginning and 78.8MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 72.53ms. Allocated memory is still 138.4MB. Free memory was 78.8MB in the beginning and 74.9MB in the end (delta: 3.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 98.00ms. Allocated memory is still 138.4MB. Free memory was 74.9MB in the beginning and 71.6MB in the end (delta: 3.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1392.41ms. Allocated memory was 138.4MB in the beginning and 188.7MB in the end (delta: 50.3MB). Free memory was 71.6MB in the beginning and 133.5MB in the end (delta: -61.8MB). Peak memory consumption was 41.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3618.85ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 133.5MB in the beginning and 130.6MB in the end (delta: 2.9MB). Peak memory consumption was 117.2MB. Max. memory is 16.1GB. * Witness Printer took 4.88ms. Allocated memory is still 226.5MB. Free memory was 130.6MB in the beginning and 129.5MB 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~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - 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~short55 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~mem49 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~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 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~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem73 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 40, overapproximation of someUnaryDOUBLEoperation at line 40. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22-L24] unsigned char BOOL_unsigned_char_Array_0[2][3] = { {0, 1, 1}, {0, 0, 1} }; [L25-L27] double double_Array_0[2] = { 10.6, 16.6 }; [L28-L30] signed char signed_char_Array_0[5] = { 10, 4, 64, -4, 32 }; [L31-L33] unsigned char unsigned_char_Array_0[3] = { 64, 100, 100 }; [L34] unsigned char last_1_BOOL_unsigned_char_Array_0_1__1_ = 0; [L106] isInitial = 1 [L107] FCALL initially() [L108] COND TRUE 1 [L109] CALL updateLastVariables() [L99] EXPR BOOL_unsigned_char_Array_0[1][1] [L99] last_1_BOOL_unsigned_char_Array_0_1__1_ = BOOL_unsigned_char_Array_0[1][1] [L109] RET updateLastVariables() [L110] CALL updateVariables() [L62] BOOL_unsigned_char_Array_0[0][0] = __VERIFIER_nondet_uchar() [L63] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L63] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L63] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L64] EXPR BOOL_unsigned_char_Array_0[0][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L64] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L64] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L65] BOOL_unsigned_char_Array_0[1][0] = __VERIFIER_nondet_uchar() [L66] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L66] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L67] EXPR BOOL_unsigned_char_Array_0[1][0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L67] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L67] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][0] <= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L68] BOOL_unsigned_char_Array_0[0][1] = __VERIFIER_nondet_uchar() [L69] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L69] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] >= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L70] EXPR BOOL_unsigned_char_Array_0[0][1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L70] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L70] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][1] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L71] BOOL_unsigned_char_Array_0[0][2] = __VERIFIER_nondet_uchar() [L72] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L72] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L72] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L73] EXPR BOOL_unsigned_char_Array_0[0][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L73] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[0][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L74] BOOL_unsigned_char_Array_0[1][2] = __VERIFIER_nondet_uchar() [L75] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L75] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L76] EXPR BOOL_unsigned_char_Array_0[1][2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L76] CALL assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(BOOL_unsigned_char_Array_0[1][2] <= 1) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L77] double_Array_0[0] = __VERIFIER_nondet_double() [L78] EXPR double_Array_0[0] [L78] EXPR double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F [L78] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) [L78] EXPR double_Array_0[0] [L78] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L78] EXPR double_Array_0[0] [L78] EXPR double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F [L78] EXPR (double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F ) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L78] CALL assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not((double_Array_0[0] >= -922337.2036854765600e+13F && double_Array_0[0] <= -1.0e-20F) || (double_Array_0[0] <= 9223372.036854765600e+12F && double_Array_0[0] >= 1.0e-20F )) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L79] signed_char_Array_0[1] = __VERIFIER_nondet_char() [L80] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L80] CALL assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not(signed_char_Array_0[1] >= -127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L81] EXPR signed_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L81] CALL assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L81] RET assume_abort_if_not(signed_char_Array_0[1] <= 126) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L82] signed_char_Array_0[3] = __VERIFIER_nondet_char() [L83] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L83] CALL assume_abort_if_not(signed_char_Array_0[3] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L83] RET assume_abort_if_not(signed_char_Array_0[3] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L84] EXPR signed_char_Array_0[3] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L84] CALL assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L84] RET assume_abort_if_not(signed_char_Array_0[3] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L85] signed_char_Array_0[4] = __VERIFIER_nondet_char() [L86] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L86] CALL assume_abort_if_not(signed_char_Array_0[4] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(signed_char_Array_0[4] >= -63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L87] EXPR signed_char_Array_0[4] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L87] CALL assume_abort_if_not(signed_char_Array_0[4] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(signed_char_Array_0[4] <= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L88] unsigned_char_Array_0[0] = __VERIFIER_nondet_uchar() [L89] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L89] CALL assume_abort_if_not(unsigned_char_Array_0[0] >= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not(unsigned_char_Array_0[0] >= 64) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L90] EXPR unsigned_char_Array_0[0] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L90] CALL assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(unsigned_char_Array_0[0] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L91] unsigned_char_Array_0[1] = __VERIFIER_nondet_uchar() [L92] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L92] CALL assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(unsigned_char_Array_0[1] >= 0) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L93] EXPR unsigned_char_Array_0[1] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L93] CALL assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(unsigned_char_Array_0[1] <= 127) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L94] unsigned_char_Array_0[2] = __VERIFIER_nondet_uchar() [L95] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L95] CALL assume_abort_if_not(unsigned_char_Array_0[2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(unsigned_char_Array_0[2] >= 63) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L96] EXPR unsigned_char_Array_0[2] VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L96] CALL assume_abort_if_not(unsigned_char_Array_0[2] <= 128) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=1, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(unsigned_char_Array_0[2] <= 128) VAL [BOOL_unsigned_char_Array_0={4:0}, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L110] RET updateVariables() [L111] CALL step() [L38] COND FALSE !(\read(last_1_BOOL_unsigned_char_Array_0_1__1_)) [L43] EXPR double_Array_0[1] [L43] EXPR double_Array_0[0] [L43] EXPR double_Array_0[1] [L43] COND FALSE !(double_Array_0[1] >= (- (double_Array_0[0] * double_Array_0[1]))) [L46] EXPR BOOL_unsigned_char_Array_0[0][2] [L46] BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4)) [L46] EXPR signed_char_Array_0[2] [L46] BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4)) [L46] COND TRUE BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4)) [L47] EXPR BOOL_unsigned_char_Array_0[1][2] [L47] EXPR BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2] [L47] EXPR BOOL_unsigned_char_Array_0[0][2] [L47] EXPR BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2] [L47] EXPR (BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1] [L47] EXPR BOOL_unsigned_char_Array_0[0][1] [L47] EXPR (BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1] [L47] BOOL_unsigned_char_Array_0[1][1] = ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]) [L51] EXPR unsigned_char_Array_0[2] [L51] EXPR unsigned_char_Array_0[0] [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR ((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1) [L51] EXPR unsigned_char_Array_0[1] [L51] EXPR ((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1) [L51] signed long int stepLocal_1 = (unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1))); [L52] EXPR signed_char_Array_0[2] [L52] signed char stepLocal_0 = signed_char_Array_0[2]; [L53] COND FALSE !(-10 >= stepLocal_0) [L111] RET step() [L112] CALL, EXPR property() [L102] EXPR last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1 [L102] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0])))))) [L102] EXPR BOOL_unsigned_char_Array_0[0][2] [L102] EXPR BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4)) [L102] EXPR signed_char_Array_0[2] [L102] EXPR BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4)) [L102] EXPR (BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))) [L102] EXPR BOOL_unsigned_char_Array_0[1][1] [L102] EXPR BOOL_unsigned_char_Array_0[1][2] [L102] EXPR BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2] [L102] EXPR BOOL_unsigned_char_Array_0[0][2] [L102] EXPR BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2] [L102] EXPR (BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1] [L102] EXPR BOOL_unsigned_char_Array_0[0][1] [L102] EXPR (BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1] [L102] EXPR (BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))) [L102] EXPR (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0])))))) [L102] EXPR ((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))))) && ((-10 >= signed_char_Array_0[2]) ? ((((unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1)))) > (~ signed_char_Array_0[2])) ? (signed_char_Array_0[0] == ((signed char) (signed_char_Array_0[3] + signed_char_Array_0[4]))) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) : 1) [L102] EXPR signed_char_Array_0[2] [L102] EXPR (-10 >= signed_char_Array_0[2]) ? ((((unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1)))) > (~ signed_char_Array_0[2])) ? (signed_char_Array_0[0] == ((signed char) (signed_char_Array_0[3] + signed_char_Array_0[4]))) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) : 1 [L102] EXPR ((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))))) && ((-10 >= signed_char_Array_0[2]) ? ((((unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1)))) > (~ signed_char_Array_0[2])) ? (signed_char_Array_0[0] == ((signed char) (signed_char_Array_0[3] + signed_char_Array_0[4]))) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) : 1) [L102] EXPR (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))))) && ((-10 >= signed_char_Array_0[2]) ? ((((unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1)))) > (~ signed_char_Array_0[2])) ? (signed_char_Array_0[0] == ((signed char) (signed_char_Array_0[3] + signed_char_Array_0[4]))) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) : 1)) && ((double_Array_0[1] >= (- (double_Array_0[0] * double_Array_0[1]))) ? (signed_char_Array_0[2] == ((signed char) signed_char_Array_0[4])) : 1) [L102] EXPR double_Array_0[1] [L102] EXPR double_Array_0[0] [L102] EXPR double_Array_0[1] [L102] EXPR (double_Array_0[1] >= (- (double_Array_0[0] * double_Array_0[1]))) ? (signed_char_Array_0[2] == ((signed char) signed_char_Array_0[4])) : 1 [L102] EXPR signed_char_Array_0[2] [L102] EXPR signed_char_Array_0[4] [L102] EXPR (double_Array_0[1] >= (- (double_Array_0[0] * double_Array_0[1]))) ? (signed_char_Array_0[2] == ((signed char) signed_char_Array_0[4])) : 1 [L102] EXPR (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))))) && ((-10 >= signed_char_Array_0[2]) ? ((((unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1)))) > (~ signed_char_Array_0[2])) ? (signed_char_Array_0[0] == ((signed char) (signed_char_Array_0[3] + signed_char_Array_0[4]))) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) : 1)) && ((double_Array_0[1] >= (- (double_Array_0[0] * double_Array_0[1]))) ? (signed_char_Array_0[2] == ((signed char) signed_char_Array_0[4])) : 1) [L102-L103] return (((last_1_BOOL_unsigned_char_Array_0_1__1_ ? (last_1_BOOL_unsigned_char_Array_0_1__1_ ? (double_Array_0[1] == ((double) ((((double_Array_0[0]) < 0 ) ? -(double_Array_0[0]) : (double_Array_0[0]))))) : 1) : 1) && ((BOOL_unsigned_char_Array_0[0][2] || (256 >= (signed_char_Array_0[2] + 4))) ? (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) ((BOOL_unsigned_char_Array_0[1][2] || BOOL_unsigned_char_Array_0[0][2]) || BOOL_unsigned_char_Array_0[0][1]))) : (BOOL_unsigned_char_Array_0[1][1] == ((unsigned char) (! (! (BOOL_unsigned_char_Array_0[1][0] || BOOL_unsigned_char_Array_0[0][0]))))))) && ((-10 >= signed_char_Array_0[2]) ? ((((unsigned_char_Array_0[2] + unsigned_char_Array_0[0]) - ((((unsigned_char_Array_0[1]) < (1)) ? (unsigned_char_Array_0[1]) : (1)))) > (~ signed_char_Array_0[2])) ? (signed_char_Array_0[0] == ((signed char) (signed_char_Array_0[3] + signed_char_Array_0[4]))) : (signed_char_Array_0[0] == ((signed char) signed_char_Array_0[1]))) : 1)) && ((double_Array_0[1] >= (- (double_Array_0[0] * double_Array_0[1]))) ? (signed_char_Array_0[2] == ((signed char) signed_char_Array_0[4])) : 1) ; [L112] RET, EXPR property() [L112] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] [L19] reach_error() VAL [BOOL_unsigned_char_Array_0={4:0}, \old(cond)=0, cond=0, double_Array_0={5:0}, isInitial=1, last_1_BOOL_unsigned_char_Array_0_1__1_=0, signed_char_Array_0={6:0}, unsigned_char_Array_0={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 55 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.4s, OverallIterations: 1, TraceHistogramMax: 23, 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=55occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-25 00:02:12,100 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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_943a0f35-8d05-40a7-8bcd-c253b104186a/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 13746df1a3970e1622f02d2f93a14bca6db6fbfac535cca3dbaecdc2ea14baae --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:02:14,802 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:02:14,933 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:02:14,942 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:02:14,943 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:02:14,986 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:02:14,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:02:14,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:02:14,989 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:02:14,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:02:14,994 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:02:14,995 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:02:14,996 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:02:14,997 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:02:14,998 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:02:14,998 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:02:15,000 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:02:15,001 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:02:15,001 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:02:15,002 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:02:15,003 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:02:15,004 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:02:15,004 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:02:15,005 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:02:15,005 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:02:15,006 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:02:15,006 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:02:15,007 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:02:15,007 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:02:15,008 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:02:15,009 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:02:15,010 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:02:15,010 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:02:15,010 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:02:15,011 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:15,011 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:02:15,011 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:02:15,012 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:02:15,012 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:02:15,013 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:02:15,013 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:02:15,014 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:02:15,014 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:02:15,015 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:02:15,015 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_943a0f35-8d05-40a7-8bcd-c253b104186a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13746df1a3970e1622f02d2f93a14bca6db6fbfac535cca3dbaecdc2ea14baae [2023-11-25 00:02:15,449 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:02:15,475 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:02:15,480 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:02:15,482 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:02:15,483 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:02:15,484 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i [2023-11-25 00:02:18,615 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:02:18,904 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:02:18,905 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i [2023-11-25 00:02:18,914 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data/e44bd9cd2/2825d0bd43404a6b9005f8c8a4ccfffb/FLAG0997bf8bd [2023-11-25 00:02:18,929 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/data/e44bd9cd2/2825d0bd43404a6b9005f8c8a4ccfffb [2023-11-25 00:02:18,936 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:02:18,938 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:02:18,939 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:18,939 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:02:18,945 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:02:18,946 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:18" (1/1) ... [2023-11-25 00:02:18,947 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@64498707 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:18, skipping insertion in model container [2023-11-25 00:02:18,947 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:02:18" (1/1) ... [2023-11-25 00:02:18,976 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:02:19,180 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_943a0f35-8d05-40a7-8bcd-c253b104186a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i[916,929] [2023-11-25 00:02:19,296 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:19,311 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:02:19,337 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_943a0f35-8d05-40a7-8bcd-c253b104186a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-a_file-34.i[916,929] [2023-11-25 00:02:19,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:02:19,481 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:02:19,496 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19 WrapperNode [2023-11-25 00:02:19,496 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:02:19,498 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:19,498 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:02:19,498 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:02:19,507 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,561 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,606 INFO L138 Inliner]: procedures = 30, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 394 [2023-11-25 00:02:19,607 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:02:19,608 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:02:19,608 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:02:19,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:02:19,623 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,634 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,648 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,686 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,703 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,708 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,726 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,732 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:02:19,734 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:02:19,734 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:02:19,734 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:02:19,735 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (1/1) ... [2023-11-25 00:02:19,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:02:19,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:02:19,790 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:02:19,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:02:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:02:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-25 00:02:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-25 00:02:19,834 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:02:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:02:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-25 00:02:19,835 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:02:19,837 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:02:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:02:19,838 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:02:19,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:02:19,981 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:02:19,983 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:02:28,576 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:02:28,639 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:02:28,640 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:02:28,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:28 BoogieIcfgContainer [2023-11-25 00:02:28,641 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:02:28,643 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:02:28,643 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:02:28,647 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:02:28,647 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:02:18" (1/3) ... [2023-11-25 00:02:28,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4de24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:28, skipping insertion in model container [2023-11-25 00:02:28,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:02:19" (2/3) ... [2023-11-25 00:02:28,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a4de24a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:02:28, skipping insertion in model container [2023-11-25 00:02:28,661 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:02:28" (3/3) ... [2023-11-25 00:02:28,663 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-a_file-34.i [2023-11-25 00:02:28,686 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:02:28,686 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:02:28,753 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:02:28,759 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;@74268c8d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:02:28,760 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:02:28,765 INFO L276 IsEmpty]: Start isEmpty. Operand has 113 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 88 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-25 00:02:28,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-25 00:02:28,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:28,784 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:28,784 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:28,790 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:28,790 INFO L85 PathProgramCache]: Analyzing trace with hash 1977260690, now seen corresponding path program 1 times [2023-11-25 00:02:28,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:28,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1527201692] [2023-11-25 00:02:28,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:28,807 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:28,807 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:28,812 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:28,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-25 00:02:29,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:29,414 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:02:29,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:29,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 428 proven. 0 refuted. 0 times theorem prover too weak. 584 trivial. 0 not checked. [2023-11-25 00:02:29,476 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:29,477 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:29,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1527201692] [2023-11-25 00:02:29,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1527201692] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:29,478 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:29,479 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:02:29,481 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268578075] [2023-11-25 00:02:29,482 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:29,487 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:02:29,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:29,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:02:29,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:29,521 INFO L87 Difference]: Start difference. First operand has 113 states, 87 states have (on average 1.4022988505747127) internal successors, (122), 88 states have internal predecessors, (122), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) Second operand has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-25 00:02:29,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:29,625 INFO L93 Difference]: Finished difference Result 223 states and 357 transitions. [2023-11-25 00:02:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:02:29,628 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) Word has length 166 [2023-11-25 00:02:29,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:29,640 INFO L225 Difference]: With dead ends: 223 [2023-11-25 00:02:29,640 INFO L226 Difference]: Without dead ends: 111 [2023-11-25 00:02:29,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:02:29,649 INFO L413 NwaCegarLoop]: 159 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 159 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:29,651 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 159 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:29,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2023-11-25 00:02:29,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2023-11-25 00:02:29,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.3604651162790697) internal successors, (117), 86 states have internal predecessors, (117), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-25 00:02:29,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 163 transitions. [2023-11-25 00:02:29,733 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 163 transitions. Word has length 166 [2023-11-25 00:02:29,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:29,733 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 163 transitions. [2023-11-25 00:02:29,734 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 29.0) internal successors, (58), 2 states have internal predecessors, (58), 2 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 2 states have call predecessors, (23), 2 states have call successors, (23) [2023-11-25 00:02:29,734 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 163 transitions. [2023-11-25 00:02:29,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-25 00:02:29,742 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:29,742 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:29,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:29,943 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:29,943 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:29,944 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:29,944 INFO L85 PathProgramCache]: Analyzing trace with hash -938237928, now seen corresponding path program 1 times [2023-11-25 00:02:29,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:29,945 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1899345519] [2023-11-25 00:02:29,945 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:29,945 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:29,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:29,947 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:29,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-25 00:02:30,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:30,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:02:30,469 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:30,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-25 00:02:30,513 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:30,513 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:30,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1899345519] [2023-11-25 00:02:30,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1899345519] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:30,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:02:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15022921] [2023-11-25 00:02:30,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:30,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:30,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:30,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:30,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:30,518 INFO L87 Difference]: Start difference. First operand 111 states and 163 transitions. Second operand has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:30,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:30,601 INFO L93 Difference]: Finished difference Result 219 states and 322 transitions. [2023-11-25 00:02:30,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:30,604 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 166 [2023-11-25 00:02:30,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:30,608 INFO L225 Difference]: With dead ends: 219 [2023-11-25 00:02:30,608 INFO L226 Difference]: Without dead ends: 109 [2023-11-25 00:02:30,610 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 165 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:30,611 INFO L413 NwaCegarLoop]: 154 mSDtfsCounter, 0 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:30,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 304 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:30,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2023-11-25 00:02:30,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2023-11-25 00:02:30,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 109 states, 84 states have (on average 1.3452380952380953) internal successors, (113), 84 states have internal predecessors, (113), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-25 00:02:30,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 159 transitions. [2023-11-25 00:02:30,637 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 159 transitions. Word has length 166 [2023-11-25 00:02:30,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:30,641 INFO L495 AbstractCegarLoop]: Abstraction has 109 states and 159 transitions. [2023-11-25 00:02:30,641 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.0) internal successors, (54), 3 states have internal predecessors, (54), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:30,642 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 159 transitions. [2023-11-25 00:02:30,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-25 00:02:30,657 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:30,658 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:30,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:30,868 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:30,869 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:30,869 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:30,869 INFO L85 PathProgramCache]: Analyzing trace with hash -1668509628, now seen corresponding path program 1 times [2023-11-25 00:02:30,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:30,871 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [323869303] [2023-11-25 00:02:30,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:30,871 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:30,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:30,872 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:30,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:31,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:31,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:31,363 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:31,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-25 00:02:31,428 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:31,429 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:31,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [323869303] [2023-11-25 00:02:31,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [323869303] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:31,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:31,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:02:31,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1157247484] [2023-11-25 00:02:31,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:31,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:02:31,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:31,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:02:31,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:02:31,432 INFO L87 Difference]: Start difference. First operand 109 states and 159 transitions. Second operand has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:31,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:31,544 INFO L93 Difference]: Finished difference Result 241 states and 353 transitions. [2023-11-25 00:02:31,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:02:31,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 168 [2023-11-25 00:02:31,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:31,548 INFO L225 Difference]: With dead ends: 241 [2023-11-25 00:02:31,548 INFO L226 Difference]: Without dead ends: 133 [2023-11-25 00:02:31,549 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 168 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:02:31,551 INFO L413 NwaCegarLoop]: 171 mSDtfsCounter, 61 mSDsluCounter, 304 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:31,552 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 475 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:02:31,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2023-11-25 00:02:31,563 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 111. [2023-11-25 00:02:31,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 86 states have (on average 1.3372093023255813) internal successors, (115), 86 states have internal predecessors, (115), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2023-11-25 00:02:31,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 161 transitions. [2023-11-25 00:02:31,565 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 161 transitions. Word has length 168 [2023-11-25 00:02:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:31,566 INFO L495 AbstractCegarLoop]: Abstraction has 111 states and 161 transitions. [2023-11-25 00:02:31,567 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.0) internal successors, (56), 4 states have internal predecessors, (56), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:31,567 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 161 transitions. [2023-11-25 00:02:31,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2023-11-25 00:02:31,569 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:31,570 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:31,589 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-25 00:02:31,781 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:31,781 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:31,782 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:31,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1454650318, now seen corresponding path program 1 times [2023-11-25 00:02:31,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:31,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1584476637] [2023-11-25 00:02:31,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:31,784 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:31,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:31,785 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:31,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-25 00:02:32,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:32,370 INFO L262 TraceCheckSpWp]: Trace formula consists of 327 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:32,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:32,442 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 21 treesize of output 9 [2023-11-25 00:02:33,194 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-25 00:02:33,197 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:33,197 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:33,197 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1584476637] [2023-11-25 00:02:33,202 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1584476637] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:33,203 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:33,203 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:02:33,203 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48180019] [2023-11-25 00:02:33,206 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:33,207 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:02:33,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:33,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:02:33,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:02:33,210 INFO L87 Difference]: Start difference. First operand 111 states and 161 transitions. Second operand has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:35,684 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:38,242 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:40,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:42,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:42,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:42,670 INFO L93 Difference]: Finished difference Result 328 states and 473 transitions. [2023-11-25 00:02:42,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:02:42,670 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 170 [2023-11-25 00:02:42,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:42,673 INFO L225 Difference]: With dead ends: 328 [2023-11-25 00:02:42,674 INFO L226 Difference]: Without dead ends: 218 [2023-11-25 00:02:42,674 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 167 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:02:42,675 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 63 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 9.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 382 SdHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 9.4s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:42,676 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 382 Invalid, 122 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 4 Unknown, 0 Unchecked, 9.4s Time] [2023-11-25 00:02:42,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-25 00:02:42,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2023-11-25 00:02:42,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 138 states have (on average 1.2826086956521738) internal successors, (177), 138 states have internal predecessors, (177), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-25 00:02:42,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 269 transitions. [2023-11-25 00:02:42,728 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 269 transitions. Word has length 170 [2023-11-25 00:02:42,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:42,730 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 269 transitions. [2023-11-25 00:02:42,731 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.5) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:42,731 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 269 transitions. [2023-11-25 00:02:42,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2023-11-25 00:02:42,733 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:42,734 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:42,754 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:42,945 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:42,945 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:42,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:42,946 INFO L85 PathProgramCache]: Analyzing trace with hash -2113888136, now seen corresponding path program 1 times [2023-11-25 00:02:42,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:42,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [801592481] [2023-11-25 00:02:42,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:42,947 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:42,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:42,949 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:42,952 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:43,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:43,415 INFO L262 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-25 00:02:43,419 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:43,456 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-25 00:02:43,457 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:43,457 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:43,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [801592481] [2023-11-25 00:02:43,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [801592481] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:43,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:43,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:02:43,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761969827] [2023-11-25 00:02:43,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:43,459 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-25 00:02:43,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:43,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-25 00:02:43,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:43,460 INFO L87 Difference]: Start difference. First operand 188 states and 269 transitions. Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:43,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:43,521 INFO L93 Difference]: Finished difference Result 325 states and 468 transitions. [2023-11-25 00:02:43,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-25 00:02:43,522 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 173 [2023-11-25 00:02:43,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:43,531 INFO L225 Difference]: With dead ends: 325 [2023-11-25 00:02:43,531 INFO L226 Difference]: Without dead ends: 199 [2023-11-25 00:02:43,532 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 171 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-25 00:02:43,535 INFO L413 NwaCegarLoop]: 150 mSDtfsCounter, 26 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:43,535 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 289 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:02:43,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2023-11-25 00:02:43,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 186. [2023-11-25 00:02:43,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 186 states, 136 states have (on average 1.2720588235294117) internal successors, (173), 136 states have internal predecessors, (173), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-25 00:02:43,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 265 transitions. [2023-11-25 00:02:43,576 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 265 transitions. Word has length 173 [2023-11-25 00:02:43,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:43,577 INFO L495 AbstractCegarLoop]: Abstraction has 186 states and 265 transitions. [2023-11-25 00:02:43,577 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:43,577 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 265 transitions. [2023-11-25 00:02:43,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-25 00:02:43,580 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:43,580 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:43,597 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:43,791 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:43,792 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:43,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:43,792 INFO L85 PathProgramCache]: Analyzing trace with hash 682191306, now seen corresponding path program 1 times [2023-11-25 00:02:43,793 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:43,793 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1359182558] [2023-11-25 00:02:43,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:43,794 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:43,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:43,795 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:43,804 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:44,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:02:44,350 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:44,393 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-25 00:02:44,393 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:44,393 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:44,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1359182558] [2023-11-25 00:02:44,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1359182558] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:44,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:44,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-25 00:02:44,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506573938] [2023-11-25 00:02:44,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:44,395 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:02:44,395 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:44,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:02:44,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:02:44,397 INFO L87 Difference]: Start difference. First operand 186 states and 265 transitions. Second operand has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:44,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:02:44,499 INFO L93 Difference]: Finished difference Result 342 states and 489 transitions. [2023-11-25 00:02:44,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-25 00:02:44,500 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) Word has length 175 [2023-11-25 00:02:44,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:02:44,503 INFO L225 Difference]: With dead ends: 342 [2023-11-25 00:02:44,503 INFO L226 Difference]: Without dead ends: 218 [2023-11-25 00:02:44,504 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 175 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:02:44,505 INFO L413 NwaCegarLoop]: 148 mSDtfsCounter, 63 mSDsluCounter, 311 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 459 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:02:44,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 459 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-25 00:02:44,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2023-11-25 00:02:44,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 188. [2023-11-25 00:02:44,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 188 states, 138 states have (on average 1.2681159420289856) internal successors, (175), 138 states have internal predecessors, (175), 46 states have call successors, (46), 3 states have call predecessors, (46), 3 states have return successors, (46), 46 states have call predecessors, (46), 46 states have call successors, (46) [2023-11-25 00:02:44,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 188 states and 267 transitions. [2023-11-25 00:02:44,523 INFO L78 Accepts]: Start accepts. Automaton has 188 states and 267 transitions. Word has length 175 [2023-11-25 00:02:44,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:02:44,524 INFO L495 AbstractCegarLoop]: Abstraction has 188 states and 267 transitions. [2023-11-25 00:02:44,524 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.75) internal successors, (63), 4 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:44,524 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 267 transitions. [2023-11-25 00:02:44,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-25 00:02:44,527 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:02:44,527 INFO L195 NwaCegarLoop]: trace histogram [23, 23, 23, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-25 00:02:44,553 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:44,738 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:44,739 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:02:44,739 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:02:44,739 INFO L85 PathProgramCache]: Analyzing trace with hash 1075218316, now seen corresponding path program 1 times [2023-11-25 00:02:44,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:02:44,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1587802369] [2023-11-25 00:02:44,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:02:44,740 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-25 00:02:44,740 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:02:44,742 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/bin/utaipan-verify-SwPr7d2a91/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-25 00:02:44,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_943a0f35-8d05-40a7-8bcd-c253b104186a/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 [2023-11-25 00:02:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:02:45,184 INFO L262 TraceCheckSpWp]: Trace formula consists of 339 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-25 00:02:45,191 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:02:45,254 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 [2023-11-25 00:02:45,354 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 21 treesize of output 9 [2023-11-25 00:02:45,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1012 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1012 trivial. 0 not checked. [2023-11-25 00:02:45,641 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:02:45,641 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:02:45,641 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1587802369] [2023-11-25 00:02:45,641 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1587802369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:02:45,641 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:02:45,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-25 00:02:45,642 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038275416] [2023-11-25 00:02:45,642 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:02:45,642 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-25 00:02:45,642 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:02:45,643 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-25 00:02:45,643 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2023-11-25 00:02:45,643 INFO L87 Difference]: Start difference. First operand 188 states and 267 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 1 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 1 states have call predecessors, (23), 1 states have call successors, (23) [2023-11-25 00:02:48,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.11s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:51,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:52,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:55,111 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:57,582 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:02:59,586 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:01,592 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:03:03,595 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []