./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:45,647 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:45,726 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-25 00:10:45,732 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:45,733 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:45,762 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:45,763 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:45,763 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:45,764 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:45,765 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:45,765 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:45,766 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:45,766 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:45,767 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-25 00:10:45,768 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:45,768 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:45,769 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-25 00:10:45,769 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-25 00:10:45,770 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:45,770 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-25 00:10:45,771 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-25 00:10:45,771 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-25 00:10:45,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:45,773 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:45,773 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:45,774 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-25 00:10:45,774 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:45,775 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:45,775 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:45,775 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:45,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:45,776 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:45,777 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:45,777 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:45,778 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:45,778 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:45,779 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:45,779 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:45,780 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:45,780 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:45,780 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:45,781 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-25 00:10:45,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-25 00:10:45,781 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:45,782 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:45,782 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:45,782 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:45,782 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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 [2023-11-25 00:10:46,065 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:46,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:46,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:46,101 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:46,103 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:46,105 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-25 00:10:49,296 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:10:49,570 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:10:49,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-25 00:10:49,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data/d86061ce6/4f787ad0913740d99fddcfc1d52b1438/FLAG46353bd91 [2023-11-25 00:10:49,594 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data/d86061ce6/4f787ad0913740d99fddcfc1d52b1438 [2023-11-25 00:10:49,597 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:10:49,599 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:10:49,600 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:49,601 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:10:49,609 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:10:49,612 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:49,613 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6559214 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49, skipping insertion in model container [2023-11-25 00:10:49,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:49,658 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:10:49,835 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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-25 00:10:49,884 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:49,897 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:10:49,910 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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-25 00:10:49,946 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:10:49,966 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:10:49,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49 WrapperNode [2023-11-25 00:10:49,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:10:49,968 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:49,968 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:10:49,968 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:10:49,976 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:49,988 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,039 INFO L138 Inliner]: procedures = 29, calls = 118, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-25 00:10:50,039 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:10:50,040 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:10:50,040 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:10:50,045 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:10:50,055 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,055 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,061 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,061 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,077 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,083 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,087 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,101 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:10:50,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:10:50,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:10:50,102 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:10:50,103 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (1/1) ... [2023-11-25 00:10:50,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:50,126 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:50,169 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:10:50,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:10:50,217 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:10:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-25 00:10:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-25 00:10:50,218 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-25 00:10:50,220 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-25 00:10:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-11-25 00:10:50,221 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:10:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:10:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-25 00:10:50,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:10:50,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:10:50,388 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:10:50,391 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:10:50,948 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:10:51,563 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:10:51,563 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:10:51,565 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:51 BoogieIcfgContainer [2023-11-25 00:10:51,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:10:51,571 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:10:51,572 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:10:51,575 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:10:51,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:10:49" (1/3) ... [2023-11-25 00:10:51,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732f2369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:51, skipping insertion in model container [2023-11-25 00:10:51,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:10:49" (2/3) ... [2023-11-25 00:10:51,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@732f2369 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:10:51, skipping insertion in model container [2023-11-25 00:10:51,580 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:51" (3/3) ... [2023-11-25 00:10:51,581 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-21.i [2023-11-25 00:10:51,616 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:10:51,617 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:10:51,694 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:10:51,703 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;@7681c3aa, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:10:51,704 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:10:51,708 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 13 states have (on average 1.2307692307692308) internal successors, (16), 14 states have internal predecessors, (16), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-25 00:10:51,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-25 00:10:51,719 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:10:51,721 INFO L195 NwaCegarLoop]: trace histogram [7, 1, 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 00:10:51,721 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:10:51,729 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:10:51,729 INFO L85 PathProgramCache]: Analyzing trace with hash -1356662308, now seen corresponding path program 1 times [2023-11-25 00:10:51,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-25 00:10:51,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641008567] [2023-11-25 00:10:51,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:51,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-25 00:10:52,001 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-25 00:10:52,002 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1111256147] [2023-11-25 00:10:52,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:10:52,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-25 00:10:52,003 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:10:52,014 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-25 00:10:52,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-25 00:10:52,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:10:52,744 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-25 00:10:53,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-25 00:10:53,258 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-11-25 00:10:53,261 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-25 00:10:53,262 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-25 00:10:53,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-25 00:10:53,483 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-25 00:10:53,488 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-11-25 00:10:53,492 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-25 00:10:53,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-25 00:10:53,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-25 00:10:53,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-25 00:10:53,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-25 00:10:53,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-25 00:10:53,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-25 00:10:53,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-25 00:10:53,569 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated [2023-11-25 00:10:53,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated [2023-11-25 00:10:53,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated [2023-11-25 00:10:53,570 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated [2023-11-25 00:10:53,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated [2023-11-25 00:10:53,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-25 00:10:53,571 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-11-25 00:10:53,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-25 00:10:53,572 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-25 00:10:53,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-25 00:10:53,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:10:53,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-25 00:10:53,573 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-25 00:10:53,574 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-25 00:10:53,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated [2023-11-25 00:10:53,579 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated [2023-11-25 00:10:53,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-25 00:10:53,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-25 00:10:53,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated [2023-11-25 00:10:53,581 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-25 00:10:53,583 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-25 00:10:53,589 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:10:53,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-25 00:10:53,591 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:10:53,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:10:53,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-25 00:10:53,592 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-25 00:10:53,593 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:10:53,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-11-25 00:10:53,594 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-11-25 00:10:53,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-11-25 00:10:53,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-25 00:10:53,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-11-25 00:10:53,595 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-25 00:10:53,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-25 00:10:53,596 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:10:53,598 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated [2023-11-25 00:10:53,599 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:10:53,600 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-11-25 00:10:53,601 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:10:53,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:10:53,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:10:53,602 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:10:53,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-25 00:10:53,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-25 00:10:53,603 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:10:53,604 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-11-25 00:10:53,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-11-25 00:10:53,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated [2023-11-25 00:10:53,605 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated [2023-11-25 00:10:53,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-25 00:10:53,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated [2023-11-25 00:10:53,606 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated [2023-11-25 00:10:53,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:10:53,607 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:10:53,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:10:53,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-25 00:10:53,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-25 00:10:53,608 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:10:53,609 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:10:53,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated [2023-11-25 00:10:53,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-11-25 00:10:53,610 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-25 00:10:53,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-25 00:10:53,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated [2023-11-25 00:10:53,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-11-25 00:10:53,611 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-25 00:10:53,631 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.11 12:10:53 BoogieIcfgContainer [2023-11-25 00:10:53,631 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-25 00:10:53,632 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-25 00:10:53,632 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-25 00:10:53,632 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-25 00:10:53,633 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:10:51" (3/4) ... [2023-11-25 00:10:53,635 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-25 00:10:53,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-25 00:10:53,638 INFO L158 Benchmark]: Toolchain (without parser) took 4039.17ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 107.3MB in the beginning and 94.2MB in the end (delta: 13.1MB). Peak memory consumption was 61.2MB. Max. memory is 16.1GB. [2023-11-25 00:10:53,639 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:10:53,640 INFO L158 Benchmark]: CACSL2BoogieTranslator took 366.55ms. Allocated memory is still 146.8MB. Free memory was 107.1MB in the beginning and 93.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-25 00:10:53,640 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.73ms. Allocated memory is still 146.8MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:10:53,641 INFO L158 Benchmark]: Boogie Preprocessor took 61.02ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 88.0MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-25 00:10:53,642 INFO L158 Benchmark]: RCFGBuilder took 1463.99ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 88.0MB in the beginning and 96.4MB in the end (delta: -8.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. [2023-11-25 00:10:53,643 INFO L158 Benchmark]: TraceAbstraction took 2059.88ms. Allocated memory is still 192.9MB. Free memory was 95.4MB in the beginning and 94.2MB in the end (delta: 1.3MB). Peak memory consumption was 23.9kB. Max. memory is 16.1GB. [2023-11-25 00:10:53,643 INFO L158 Benchmark]: Witness Printer took 5.23ms. Allocated memory is still 192.9MB. Free memory is still 94.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-25 00:10:53,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 146.8MB. Free memory is still 89.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 366.55ms. Allocated memory is still 146.8MB. Free memory was 107.1MB in the beginning and 93.6MB in the end (delta: 13.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 71.73ms. Allocated memory is still 146.8MB. Free memory was 93.6MB in the beginning and 90.4MB in the end (delta: 3.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 61.02ms. Allocated memory is still 146.8MB. Free memory was 90.4MB in the beginning and 88.0MB in the end (delta: 2.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * RCFGBuilder took 1463.99ms. Allocated memory was 146.8MB in the beginning and 192.9MB in the end (delta: 46.1MB). Free memory was 88.0MB in the beginning and 96.4MB in the end (delta: -8.5MB). Peak memory consumption was 42.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2059.88ms. Allocated memory is still 192.9MB. Free memory was 95.4MB in the beginning and 94.2MB in the end (delta: 1.3MB). Peak memory consumption was 23.9kB. Max. memory is 16.1GB. * Witness Printer took 5.23ms. Allocated memory is still 192.9MB. Free memory is still 94.2MB. 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~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem27 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem28 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem30 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 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 55, overapproximation of someBinaryFLOATComparisonOperation at line 82. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] unsigned short int var_1_1 = 32; [L23] unsigned short int* var_1_1_Pointer = &(var_1_1); [L24] unsigned char var_1_7 = 0; [L25] unsigned char* var_1_7_Pointer = &(var_1_7); [L26] double var_1_8 = 15.6; [L27] double* var_1_8_Pointer = &(var_1_8); [L28] double var_1_9 = 15.4; [L29] double* var_1_9_Pointer = &(var_1_9); [L30] double var_1_10 = 32.2; [L31] double* var_1_10_Pointer = &(var_1_10); [L32] unsigned char var_1_12 = 1; [L33] unsigned char* var_1_12_Pointer = &(var_1_12); [L34] signed short int var_1_13 = 256; [L35] signed short int* var_1_13_Pointer = &(var_1_13); [L36] float var_1_14 = 5.75; [L37] float* var_1_14_Pointer = &(var_1_14); [L38] float var_1_15 = 8.6; [L39] float* var_1_15_Pointer = &(var_1_15); [L40] unsigned char last_1_var_1_7 = 0; [L41] signed short int last_1_var_1_13 = 256; [L93] isInitial = 1 [L94] FCALL initially() [L95] COND TRUE 1 [L96] CALL updateLastVariables() [L85] EXPR \read(var_1_7) [L85] last_1_var_1_7 = var_1_7 [L86] EXPR \read(var_1_13) [L86] last_1_var_1_13 = var_1_13 [L96] RET updateLastVariables() [L97] CALL updateVariables() [L70] var_1_8 = __VERIFIER_nondet_double() [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F [L71] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F [L71] EXPR \read(var_1_8) [L71] EXPR var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F [L71] EXPR (var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L71] CALL assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_8 >= -922337.2036854776000e+13F && var_1_8 <= -1.0e-20F) || (var_1_8 <= 9223372.036854776000e+12F && var_1_8 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L72] var_1_9 = __VERIFIER_nondet_double() [L73] EXPR \read(var_1_9) [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F [L73] EXPR \read(var_1_9) [L73] EXPR var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F [L73] EXPR (var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L73] CALL assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_9 >= -922337.2036854776000e+13F && var_1_9 <= -1.0e-20F) || (var_1_9 <= 9223372.036854776000e+12F && var_1_9 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L74] var_1_10 = __VERIFIER_nondet_double() [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F [L75] EXPR (var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ) [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F [L75] EXPR \read(var_1_10) [L75] EXPR var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F [L75] EXPR (var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L75] CALL assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not((var_1_10 >= -922337.2036854776000e+13F && var_1_10 <= -1.0e-20F) || (var_1_10 <= 9223372.036854776000e+12F && var_1_10 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L76] var_1_12 = __VERIFIER_nondet_uchar() [L77] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L77] CALL assume_abort_if_not(var_1_12 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L77] RET assume_abort_if_not(var_1_12 >= 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] EXPR \read(var_1_12) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L78] CALL assume_abort_if_not(var_1_12 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L78] RET assume_abort_if_not(var_1_12 <= 1) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L79] var_1_14 = __VERIFIER_nondet_float() [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F [L80] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ) [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F [L80] EXPR \read(var_1_14) [L80] EXPR var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F [L80] EXPR (var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L80] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L80] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854776000e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L81] var_1_15 = __VERIFIER_nondet_float() [L82] EXPR \read(var_1_15) [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F [L82] EXPR \read(var_1_15) [L82] EXPR var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F [L82] EXPR (var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F ) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L82] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L20] COND FALSE !(!cond) [L82] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854776000e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L97] RET updateVariables() [L98] CALL step() [L45] COND TRUE (last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13) [L46] COND FALSE !(last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) [L54] EXPR \read(*var_1_12_Pointer) [L54] COND TRUE (*(var_1_12_Pointer)) [L55] EXPR \read(*var_1_14_Pointer) [L55] EXPR \read(*var_1_15_Pointer) [L55] EXPR \read(*var_1_8_Pointer) [L55] EXPR \read(*var_1_10_Pointer) [L55] EXPR \read(*var_1_9_Pointer) [L55] COND FALSE !(((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) [L58] EXPR \read(*var_1_1_Pointer) [L58] (*(var_1_13_Pointer)) = (*(var_1_1_Pointer)) [L61] EXPR \read(*var_1_8_Pointer) [L61] EXPR \read(*var_1_9_Pointer) [L61] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L61] EXPR \read(*var_1_8_Pointer) [L61] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L61] EXPR \read(*var_1_10_Pointer) [L61] COND TRUE (((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer)) [L62] last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer))) [L62] COND FALSE !(last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) [L98] RET step() [L99] CALL, EXPR property() [L89] EXPR ((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) [L89] EXPR (last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1 [L89] EXPR ((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L89] EXPR \read(*var_1_8_Pointer) [L89] EXPR \read(*var_1_9_Pointer) [L89] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L89] EXPR \read(*var_1_9_Pointer) [L89] EXPR (((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))) [L89] EXPR \read(*var_1_10_Pointer) [L89] EXPR ((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L89] EXPR \read(*var_1_7_Pointer) [L89] EXPR \read(*var_1_12_Pointer) [L89] EXPR ((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))) [L89] EXPR (((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer))))) [L89] EXPR ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) [L89-L90] return ((((last_1_var_1_13 + ((((last_1_var_1_13) > (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))) < (last_1_var_1_13 * last_1_var_1_13)) ? ((last_1_var_1_13 < (last_1_var_1_13 - last_1_var_1_13)) ? ((last_1_var_1_13 != (((((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) < 0 ) ? -((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13))) : ((((last_1_var_1_13) < (last_1_var_1_13)) ? (last_1_var_1_13) : (last_1_var_1_13)))))) ? ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13)) : 1) : 1) : ((*(var_1_1_Pointer)) == ((unsigned short int) last_1_var_1_13))) && (((((((*(var_1_8_Pointer))) < ((*(var_1_9_Pointer)))) ? ((*(var_1_8_Pointer))) : ((*(var_1_9_Pointer))))) <= (*(var_1_10_Pointer))) ? ((last_1_var_1_7 && ((*(var_1_1_Pointer)) >= (*(var_1_1_Pointer)))) ? ((*(var_1_7_Pointer)) == ((unsigned char) 0)) : 1) : ((*(var_1_7_Pointer)) == ((unsigned char) (*(var_1_12_Pointer)))))) && ((*(var_1_12_Pointer)) ? ((((*(var_1_14_Pointer)) - (*(var_1_15_Pointer))) >= (((*(var_1_8_Pointer)) + (*(var_1_10_Pointer))) + (*(var_1_9_Pointer)))) ? ((*(var_1_13_Pointer)) == ((signed short int) (((((*(var_1_1_Pointer))) > ((*(var_1_1_Pointer)))) ? ((*(var_1_1_Pointer))) : ((*(var_1_1_Pointer))))))) : ((*(var_1_13_Pointer)) == ((signed short int) (*(var_1_1_Pointer))))) : 1) ; [L99] RET, EXPR property() [L99] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] [L19] reach_error() VAL [\old(cond)=0, cond=0, isInitial=1, last_1_var_1_13=256, last_1_var_1_7=0, var_1_10={8:0}, var_1_10_Pointer={8:0}, var_1_12={9:0}, var_1_12_Pointer={9:0}, var_1_13={10:0}, var_1_13_Pointer={10:0}, var_1_14={11:0}, var_1_14_Pointer={11:0}, var_1_15={12:0}, var_1_15_Pointer={12:0}, var_1_1={4:0}, var_1_1_Pointer={4:0}, var_1_7={5:0}, var_1_7_Pointer={5:0}, var_1_8={6:0}, var_1_8_Pointer={6:0}, var_1_9={7:0}, var_1_9_Pointer={7:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 23 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 1, TraceHistogramMax: 7, 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=23occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 32 NumberOfCodeBlocks, 32 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 00:10:53,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-25 00:10:56,424 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-25 00:10:56,516 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-11-25 00:10:56,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-25 00:10:56,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-25 00:10:56,550 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-25 00:10:56,551 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-25 00:10:56,552 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-25 00:10:56,553 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-25 00:10:56,553 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-25 00:10:56,554 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-25 00:10:56,554 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-25 00:10:56,555 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-25 00:10:56,556 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-25 00:10:56,556 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-25 00:10:56,557 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-25 00:10:56,558 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-25 00:10:56,558 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-25 00:10:56,559 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-25 00:10:56,559 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-25 00:10:56,560 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-25 00:10:56,560 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-25 00:10:56,561 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-25 00:10:56,561 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-25 00:10:56,562 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-25 00:10:56,562 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-25 00:10:56,563 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-25 00:10:56,563 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-25 00:10:56,563 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-25 00:10:56,564 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-25 00:10:56,564 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-25 00:10:56,565 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-25 00:10:56,565 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-25 00:10:56,566 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-25 00:10:56,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:10:56,567 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-25 00:10:56,567 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-25 00:10:56,567 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-25 00:10:56,568 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-25 00:10:56,568 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-25 00:10:56,569 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-25 00:10:56,572 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-25 00:10:56,572 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-25 00:10:56,572 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-25 00:10:56,573 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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cca72686861ad5f32c03321c83cb01c79fc9fe11e27ec52efe74f8c4ef5e302 [2023-11-25 00:10:56,968 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-25 00:10:56,990 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-25 00:10:56,993 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-25 00:10:56,994 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-25 00:10:56,995 INFO L274 PluginConnector]: CDTParser initialized [2023-11-25 00:10:56,997 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-25 00:11:00,161 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-25 00:11:00,498 INFO L384 CDTParser]: Found 1 translation units. [2023-11-25 00:11:00,508 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i [2023-11-25 00:11:00,521 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data/056227cd6/25d481639c674c289d7a25bdf10eb096/FLAG8acf8d28f [2023-11-25 00:11:00,541 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/data/056227cd6/25d481639c674c289d7a25bdf10eb096 [2023-11-25 00:11:00,547 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-25 00:11:00,549 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-25 00:11:00,554 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:00,554 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-25 00:11:00,559 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-25 00:11:00,560 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:00" (1/1) ... [2023-11-25 00:11:00,564 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46855ef3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:00, skipping insertion in model container [2023-11-25 00:11:00,564 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 12:11:00" (1/1) ... [2023-11-25 00:11:00,610 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-25 00:11:00,808 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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-25 00:11:00,886 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:00,918 INFO L202 MainTranslator]: Completed pre-run [2023-11-25 00:11:00,938 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_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-p_file-21.i[916,929] [2023-11-25 00:11:00,999 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-25 00:11:01,023 INFO L206 MainTranslator]: Completed translation [2023-11-25 00:11:01,023 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01 WrapperNode [2023-11-25 00:11:01,024 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-25 00:11:01,025 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:01,025 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-25 00:11:01,025 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-25 00:11:01,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,051 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,127 INFO L138 Inliner]: procedures = 36, calls = 118, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 383 [2023-11-25 00:11:01,127 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-25 00:11:01,128 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-25 00:11:01,129 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-25 00:11:01,129 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-25 00:11:01,139 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,139 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,149 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,149 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,169 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,174 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,183 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,190 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-25 00:11:01,191 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-25 00:11:01,191 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-25 00:11:01,192 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-25 00:11:01,193 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (1/1) ... [2023-11-25 00:11:01,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-25 00:11:01,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-25 00:11:01,247 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-25 00:11:01,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-25 00:11:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-25 00:11:01,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-25 00:11:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-25 00:11:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-11-25 00:11:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-11-25 00:11:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-25 00:11:01,295 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-11-25 00:11:01,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-11-25 00:11:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-11-25 00:11:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-25 00:11:01,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-11-25 00:11:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-25 00:11:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-25 00:11:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-25 00:11:01,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-25 00:11:01,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-11-25 00:11:01,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-11-25 00:11:01,502 INFO L241 CfgBuilder]: Building ICFG [2023-11-25 00:11:01,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-25 00:11:10,632 INFO L282 CfgBuilder]: Performing block encoding [2023-11-25 00:11:10,711 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-25 00:11:10,712 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-25 00:11:10,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:10 BoogieIcfgContainer [2023-11-25 00:11:10,713 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-25 00:11:10,715 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-25 00:11:10,716 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-25 00:11:10,719 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-25 00:11:10,719 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.11 12:11:00" (1/3) ... [2023-11-25 00:11:10,720 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f3426d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:10, skipping insertion in model container [2023-11-25 00:11:10,721 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 12:11:01" (2/3) ... [2023-11-25 00:11:10,722 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@49f3426d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.11 12:11:10, skipping insertion in model container [2023-11-25 00:11:10,722 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 12:11:10" (3/3) ... [2023-11-25 00:11:10,724 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-p_file-21.i [2023-11-25 00:11:10,742 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-25 00:11:10,743 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-25 00:11:10,801 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-25 00:11:10,807 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;@15e9ea, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-25 00:11:10,807 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-25 00:11:10,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-25 00:11:10,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-25 00:11:10,822 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:10,823 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:10,823 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:10,828 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:10,828 INFO L85 PathProgramCache]: Analyzing trace with hash -1647384108, now seen corresponding path program 1 times [2023-11-25 00:11:10,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:10,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1747222368] [2023-11-25 00:11:10,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:10,842 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 00:11:10,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:10,844 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:10,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:11,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:11,258 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-25 00:11:11,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:11,343 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-25 00:11:11,344 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:11,344 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:11,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1747222368] [2023-11-25 00:11:11,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1747222368] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:11,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:11,346 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-25 00:11:11,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [878225543] [2023-11-25 00:11:11,350 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:11,355 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-25 00:11:11,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:11,395 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-25 00:11:11,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-25 00:11:11,400 INFO L87 Difference]: Start difference. First operand has 89 states, 79 states have (on average 1.5316455696202531) internal successors, (121), 80 states have internal predecessors, (121), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-25 00:11:11,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:11,481 INFO L93 Difference]: Finished difference Result 175 states and 275 transitions. [2023-11-25 00:11:11,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-25 00:11:11,484 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-11-25 00:11:11,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:11,495 INFO L225 Difference]: With dead ends: 175 [2023-11-25 00:11:11,496 INFO L226 Difference]: Without dead ends: 87 [2023-11-25 00:11:11,500 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 74 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 00:11:11,503 INFO L413 NwaCegarLoop]: 126 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, 126 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 00:11:11,505 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-25 00:11:11,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-25 00:11:11,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2023-11-25 00:11:11,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 78 states have (on average 1.4871794871794872) internal successors, (116), 78 states have internal predecessors, (116), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2023-11-25 00:11:11,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 130 transitions. [2023-11-25 00:11:11,553 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 130 transitions. Word has length 75 [2023-11-25 00:11:11,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:11,554 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 130 transitions. [2023-11-25 00:11:11,554 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 1 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-25 00:11:11,554 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 130 transitions. [2023-11-25 00:11:11,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-25 00:11:11,558 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:11,559 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:11,575 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:11,767 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:11,767 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:11,768 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:11,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1170950670, now seen corresponding path program 1 times [2023-11-25 00:11:11,769 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:11,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1348959831] [2023-11-25 00:11:11,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:11,770 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 00:11:11,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:11,772 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:11,806 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:12,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:12,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-25 00:11:12,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:12,236 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 17 treesize of output 9 [2023-11-25 00:11:12,579 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-25 00:11:12,580 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:12,580 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:12,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1348959831] [2023-11-25 00:11:12,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1348959831] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:12,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:12,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-25 00:11:12,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932397928] [2023-11-25 00:11:12,581 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:12,583 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-25 00:11:12,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:12,584 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-25 00:11:12,584 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-25 00:11:12,584 INFO L87 Difference]: Start difference. First operand 87 states and 130 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-25 00:11:14,730 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:16,815 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:19,117 WARN L539 Checker$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 00:11:21,204 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:23,379 WARN L539 Checker$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 00:11:25,632 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:27,710 WARN L539 Checker$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 00:11:27,711 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:27,711 INFO L93 Difference]: Finished difference Result 257 states and 384 transitions. [2023-11-25 00:11:27,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-25 00:11:27,738 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 75 [2023-11-25 00:11:27,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:27,742 INFO L225 Difference]: With dead ends: 257 [2023-11-25 00:11:27,742 INFO L226 Difference]: Without dead ends: 171 [2023-11-25 00:11:27,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 75 GetRequests, 72 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 00:11:27,745 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 73 mSDsluCounter, 184 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 6 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 14.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 73 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 6 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 15.1s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:27,745 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [73 Valid, 306 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 6 Unknown, 0 Unchecked, 15.1s Time] [2023-11-25 00:11:27,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2023-11-25 00:11:27,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 147. [2023-11-25 00:11:27,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 130 states have (on average 1.4615384615384615) internal successors, (190), 130 states have internal predecessors, (190), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:11:27,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 218 transitions. [2023-11-25 00:11:27,770 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 218 transitions. Word has length 75 [2023-11-25 00:11:27,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:27,771 INFO L495 AbstractCegarLoop]: Abstraction has 147 states and 218 transitions. [2023-11-25 00:11:27,771 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 3 states have internal predecessors, (43), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-25 00:11:27,771 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 218 transitions. [2023-11-25 00:11:27,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2023-11-25 00:11:27,773 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:27,773 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:27,781 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:27,981 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:27,981 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:27,982 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:27,982 INFO L85 PathProgramCache]: Analyzing trace with hash -2088746051, now seen corresponding path program 1 times [2023-11-25 00:11:27,983 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:27,983 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [976464426] [2023-11-25 00:11:27,983 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:27,983 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 00:11:27,984 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:27,986 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:27,991 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:28,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:28,363 INFO L262 TraceCheckSpWp]: Trace formula consists of 228 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-25 00:11:28,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-25 00:11:28,431 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:28,431 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:28,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [976464426] [2023-11-25 00:11:28,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [976464426] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:28,432 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:28,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:11:28,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [118114147] [2023-11-25 00:11:28,434 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:28,435 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-25 00:11:28,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:28,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-25 00:11:28,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-25 00:11:28,437 INFO L87 Difference]: Start difference. First operand 147 states and 218 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-25 00:11:28,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:28,652 INFO L93 Difference]: Finished difference Result 252 states and 375 transitions. [2023-11-25 00:11:28,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-25 00:11:28,653 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) Word has length 78 [2023-11-25 00:11:28,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:28,655 INFO L225 Difference]: With dead ends: 252 [2023-11-25 00:11:28,656 INFO L226 Difference]: Without dead ends: 166 [2023-11-25 00:11:28,656 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 79 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-25 00:11:28,658 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 72 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 476 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:28,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 476 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-25 00:11:28,665 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2023-11-25 00:11:28,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 150. [2023-11-25 00:11:28,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 133 states have (on average 1.4511278195488722) internal successors, (193), 133 states have internal predecessors, (193), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:11:28,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 221 transitions. [2023-11-25 00:11:28,693 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 221 transitions. Word has length 78 [2023-11-25 00:11:28,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:28,694 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 221 transitions. [2023-11-25 00:11:28,694 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 1 states have call predecessors, (7), 1 states have call successors, (7) [2023-11-25 00:11:28,694 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 221 transitions. [2023-11-25 00:11:28,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-25 00:11:28,702 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:28,702 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:28,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:28,911 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:28,912 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:28,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:28,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1731782028, now seen corresponding path program 1 times [2023-11-25 00:11:28,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:28,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [429026880] [2023-11-25 00:11:28,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:28,922 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 00:11:28,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:28,926 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:28,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:29,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:29,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 239 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:11:29,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:29,590 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 77 treesize of output 41 [2023-11-25 00:11:29,651 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2023-11-25 00:11:29,652 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:29,652 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:29,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [429026880] [2023-11-25 00:11:29,652 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [429026880] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:29,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:29,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:11:29,653 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87110447] [2023-11-25 00:11:29,653 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:29,654 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:11:29,654 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:29,655 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:11:29,655 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:11:29,656 INFO L87 Difference]: Start difference. First operand 150 states and 221 transitions. Second operand has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-25 00:11:31,653 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:33,834 WARN L539 Checker$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 00:11:34,936 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:37,318 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:39,331 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:42,047 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:42,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-25 00:11:42,453 INFO L93 Difference]: Finished difference Result 280 states and 411 transitions. [2023-11-25 00:11:42,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-25 00:11:42,454 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 82 [2023-11-25 00:11:42,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-25 00:11:42,456 INFO L225 Difference]: With dead ends: 280 [2023-11-25 00:11:42,456 INFO L226 Difference]: Without dead ends: 162 [2023-11-25 00:11:42,457 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2023-11-25 00:11:42,458 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 115 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 152 mSolverCounterSat, 5 mSolverCounterUnsat, 3 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 12.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 160 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 152 IncrementalHoareTripleChecker+Invalid, 3 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 12.6s IncrementalHoareTripleChecker+Time [2023-11-25 00:11:42,459 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 357 Invalid, 160 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 152 Invalid, 3 Unknown, 0 Unchecked, 12.6s Time] [2023-11-25 00:11:42,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2023-11-25 00:11:42,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 150. [2023-11-25 00:11:42,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 133 states have (on average 1.4360902255639099) internal successors, (191), 133 states have internal predecessors, (191), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-25 00:11:42,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 219 transitions. [2023-11-25 00:11:42,476 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 219 transitions. Word has length 82 [2023-11-25 00:11:42,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-25 00:11:42,476 INFO L495 AbstractCegarLoop]: Abstraction has 150 states and 219 transitions. [2023-11-25 00:11:42,477 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.833333333333334) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-25 00:11:42,477 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 219 transitions. [2023-11-25 00:11:42,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2023-11-25 00:11:42,478 INFO L187 NwaCegarLoop]: Found error trace [2023-11-25 00:11:42,479 INFO L195 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 00:11:42,504 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:42,688 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:42,688 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-25 00:11:42,688 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-25 00:11:42,689 INFO L85 PathProgramCache]: Analyzing trace with hash 1286524922, now seen corresponding path program 1 times [2023-11-25 00:11:42,689 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-11-25 00:11:42,689 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1399270212] [2023-11-25 00:11:42,689 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-25 00:11:42,689 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 00:11:42,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/bin/utaipan-verify-SwPr7d2a91/mathsat [2023-11-25 00:11:42,690 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:42,692 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6aa090a5-cea0-4613-8ba3-f9460f8af2f8/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 00:11:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-25 00:11:43,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-25 00:11:43,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-25 00:11:43,320 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 77 treesize of output 41 [2023-11-25 00:11:43,367 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-25 00:11:43,367 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-25 00:11:43,367 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-11-25 00:11:43,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1399270212] [2023-11-25 00:11:43,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1399270212] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-25 00:11:43,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-25 00:11:43,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-25 00:11:43,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1436637008] [2023-11-25 00:11:43,368 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-25 00:11:43,368 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-25 00:11:43,369 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-11-25 00:11:43,369 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-25 00:11:43,370 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-25 00:11:43,370 INFO L87 Difference]: Start difference. First operand 150 states and 219 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 5 states have internal predecessors, (55), 2 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2023-11-25 00:11:46,017 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:47,120 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-25 00:11:49,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers []