./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.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_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh --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 aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:35:16,713 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:35:16,777 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 13:35:16,781 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:35:16,782 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:35:16,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:35:16,806 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:35:16,807 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:35:16,808 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:35:16,808 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:35:16,809 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:35:16,809 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:35:16,810 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:35:16,810 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 13:35:16,811 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:35:16,811 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:35:16,812 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 13:35:16,812 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 13:35:16,813 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:35:16,814 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 13:35:16,814 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 13:35:16,815 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 13:35:16,816 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:35:16,817 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:35:16,817 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:35:16,818 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 13:35:16,818 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:35:16,819 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:35:16,819 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:35:16,820 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:35:16,820 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:35:16,821 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:35:16,821 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:35:16,821 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:35:16,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:35:16,822 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:35:16,822 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:35:16,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:35:16,822 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:35:16,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:35:16,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:35:16,823 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 13:35:16,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 13:35:16,823 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:35:16,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:35:16,824 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:35:16,824 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:35:16,824 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc [2023-12-02 13:35:17,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:35:17,056 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:35:17,059 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:35:17,060 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:35:17,061 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:35:17,062 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2023-12-02 13:35:20,384 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:35:20,570 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:35:20,570 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2023-12-02 13:35:20,581 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data/668491006/54c9eb360ca14f909c90cf6cf1aab393/FLAG0a0a6daba [2023-12-02 13:35:20,593 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data/668491006/54c9eb360ca14f909c90cf6cf1aab393 [2023-12-02 13:35:20,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:35:20,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:35:20,599 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:35:20,599 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:35:20,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:35:20,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2aa26dc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20, skipping insertion in model container [2023-12-02 13:35:20,605 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,632 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:35:20,751 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2023-12-02 13:35:20,806 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:35:20,817 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:35:20,827 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2023-12-02 13:35:20,888 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:35:20,909 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:35:20,909 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20 WrapperNode [2023-12-02 13:35:20,910 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:35:20,910 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:35:20,911 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:35:20,911 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:35:20,916 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,930 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,973 INFO L138 Inliner]: procedures = 29, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 406 [2023-12-02 13:35:20,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:35:20,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:35:20,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:35:20,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:35:20,982 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,982 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,987 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:20,987 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:21,007 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:21,011 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:21,014 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:21,017 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:21,023 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:35:21,024 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:35:21,024 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:35:21,024 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:35:21,025 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (1/1) ... [2023-12-02 13:35:21,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:35:21,045 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:35:21,058 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:35:21,073 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:35:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:35:21,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 13:35:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 13:35:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 13:35:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 13:35:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 13:35:21,100 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:35:21,100 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:35:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 13:35:21,101 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:35:21,101 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:35:21,198 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:35:21,200 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:35:21,639 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:35:22,151 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:35:22,152 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:35:22,153 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:22 BoogieIcfgContainer [2023-12-02 13:35:22,154 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:35:22,157 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:35:22,157 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:35:22,160 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:35:22,160 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:35:20" (1/3) ... [2023-12-02 13:35:22,161 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492f5e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:22, skipping insertion in model container [2023-12-02 13:35:22,161 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:20" (2/3) ... [2023-12-02 13:35:22,162 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@492f5e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:22, skipping insertion in model container [2023-12-02 13:35:22,162 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:22" (3/3) ... [2023-12-02 13:35:22,163 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-75.i [2023-12-02 13:35:22,181 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:35:22,181 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:35:22,231 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:35:22,238 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;@28a797eb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:35:22,238 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:35:22,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 43 states, 23 states have (on average 1.1304347826086956) internal successors, (26), 24 states have internal predecessors, (26), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:35:22,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-12-02 13:35:22,253 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:22,254 INFO L195 NwaCegarLoop]: trace histogram [17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:22,255 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:22,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:22,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1664410656, now seen corresponding path program 1 times [2023-12-02 13:35:22,269 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 13:35:22,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1486978709] [2023-12-02 13:35:22,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:22,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 13:35:22,527 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 13:35:22,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [875979598] [2023-12-02 13:35:22,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:22,529 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 13:35:22,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:35:22,530 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 13:35:22,533 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 13:35:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:35:24,458 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 13:35:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 13:35:25,648 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 13:35:25,651 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 13:35:25,652 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 13:35:25,678 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 13:35:25,869 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 13:35:25,875 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 13:35:25,879 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 13:35:25,919 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 13:35:25,920 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-12-02 13:35:25,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 13:35:25,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-12-02 13:35:25,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 13:35:25,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 13:35:25,921 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 13:35:25,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-12-02 13:35:25,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 13:35:25,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-12-02 13:35:25,922 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-12-02 13:35:25,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short48 could not be translated [2023-12-02 13:35:25,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short49 could not be translated [2023-12-02 13:35:25,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated [2023-12-02 13:35:25,923 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-12-02 13:35:25,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-12-02 13:35:25,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated [2023-12-02 13:35:25,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-12-02 13:35:25,924 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 13:35:25,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 13:35:25,925 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:35:25,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 13:35:25,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 13:35:25,926 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 13:35:25,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 13:35:25,927 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 13:35:25,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 13:35:25,928 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 13:35:25,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:35:25,929 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem58 could not be translated [2023-12-02 13:35:25,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 13:35:25,930 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 13:35:25,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 13:35:25,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-12-02 13:35:25,931 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 13:35:25,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 13:35:25,932 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 13:35:25,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-12-02 13:35:25,933 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:35:25,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-12-02 13:35:25,934 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:35:25,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-12-02 13:35:25,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 13:35:25,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 13:35:25,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 13:35:25,935 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-12-02 13:35:25,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:35:25,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 13:35:25,936 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-12-02 13:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 13:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 13:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-12-02 13:35:25,937 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 13:35:25,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 13:35:25,938 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 13:35:25,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 13:35:25,939 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 13:35:25,940 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 13:35:25,962 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 01:35:25 BoogieIcfgContainer [2023-12-02 13:35:25,963 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 13:35:25,963 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 13:35:25,963 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 13:35:25,964 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 13:35:25,964 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:22" (3/4) ... [2023-12-02 13:35:25,967 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 13:35:25,968 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 13:35:25,970 INFO L158 Benchmark]: Toolchain (without parser) took 5372.59ms. Allocated memory is still 144.7MB. Free memory was 85.1MB in the beginning and 53.1MB in the end (delta: 32.1MB). Peak memory consumption was 34.0MB. Max. memory is 16.1GB. [2023-12-02 13:35:25,970 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:35:25,971 INFO L158 Benchmark]: CACSL2BoogieTranslator took 311.28ms. Allocated memory is still 144.7MB. Free memory was 85.0MB in the beginning and 116.3MB in the end (delta: -31.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. [2023-12-02 13:35:25,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.18ms. Allocated memory is still 144.7MB. Free memory was 116.3MB in the beginning and 112.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:35:25,973 INFO L158 Benchmark]: Boogie Preprocessor took 48.82ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 108.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:35:25,974 INFO L158 Benchmark]: RCFGBuilder took 1130.21ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 67.0MB in the end (delta: 41.8MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. [2023-12-02 13:35:25,975 INFO L158 Benchmark]: TraceAbstraction took 3805.92ms. Allocated memory is still 144.7MB. Free memory was 66.2MB in the beginning and 53.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-02 13:35:25,975 INFO L158 Benchmark]: Witness Printer took 5.16ms. Allocated memory is still 144.7MB. Free memory was 53.4MB in the beginning and 53.1MB in the end (delta: 300.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:35:25,979 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 94.4MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 311.28ms. Allocated memory is still 144.7MB. Free memory was 85.0MB in the beginning and 116.3MB in the end (delta: -31.3MB). Peak memory consumption was 23.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.18ms. Allocated memory is still 144.7MB. Free memory was 116.3MB in the beginning and 112.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.82ms. Allocated memory is still 144.7MB. Free memory was 112.5MB in the beginning and 108.8MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1130.21ms. Allocated memory is still 144.7MB. Free memory was 108.8MB in the beginning and 67.0MB in the end (delta: 41.8MB). Peak memory consumption was 56.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3805.92ms. Allocated memory is still 144.7MB. Free memory was 66.2MB in the beginning and 53.4MB in the end (delta: 12.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 5.16ms. Allocated memory is still 144.7MB. Free memory was 53.4MB in the beginning and 53.1MB in the end (delta: 300.8kB). 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~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short48 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~short49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem44 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 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~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem76 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 61, overapproximation of someBinaryFLOATComparisonOperation at line 116. Possible FailurePath: [L38] unsigned char isInitial = 0; [L39-L54] struct WrapperStruct00 WrapperStruct00 = { 32, 32, -100, 5.95, 128, 200, 8, 0, 128, 1, 2.25, 16.875, -4, 10 }; [L55] signed long int last_1_WrapperStruct00_var_1_8 = -100; [L120] isInitial = 1 [L121] FCALL initially() [L122] COND TRUE 1 [L123] CALL updateLastVariables() [L113] EXPR WrapperStruct00.var_1_8 [L113] last_1_WrapperStruct00_var_1_8 = WrapperStruct00.var_1_8 [L123] RET updateLastVariables() [L124] CALL updateVariables() [L85] WrapperStruct00.var_1_7 = __VERIFIER_nondet_uchar() [L86] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L86] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L87] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L88] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L89] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L89] EXPR WrapperStruct00.var_1_10 [L89] EXPR WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F [L89] EXPR (WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L89] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L89] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_10 != 0.0F) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L90] RET assume_abort_if_not(WrapperStruct00.var_1_10 != 0.0F) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L91] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L92] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L92] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L92] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 255) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L93] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 255) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L94] WrapperStruct00.var_1_14 = __VERIFIER_nondet_uchar() [L95] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L95] CALL assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L95] RET assume_abort_if_not(WrapperStruct00.var_1_14 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_14 <= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L96] RET assume_abort_if_not(WrapperStruct00.var_1_14 <= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L97] WrapperStruct00.var_1_15 = __VERIFIER_nondet_uchar() [L98] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_15 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] EXPR WrapperStruct00.var_1_15 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L99] RET assume_abort_if_not(WrapperStruct00.var_1_15 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L100] WrapperStruct00.var_1_16 = __VERIFIER_nondet_uchar() [L101] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= 127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= 127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L102] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L102] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L103] WrapperStruct00.var_1_17 = __VERIFIER_nondet_uchar() [L104] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_17 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] EXPR WrapperStruct00.var_1_17 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_17 <= 254) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L106] WrapperStruct00.var_1_19 = __VERIFIER_nondet_float() [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F [L107] EXPR WrapperStruct00.var_1_19 [L107] EXPR WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F [L107] EXPR (WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_19 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_19 <= -1.0e-20F) || (WrapperStruct00.var_1_19 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_19 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L108] WrapperStruct00.var_1_21 = __VERIFIER_nondet_char() [L109] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L109] CALL assume_abort_if_not(WrapperStruct00.var_1_21 >= -127) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not(WrapperStruct00.var_1_21 >= -127) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] EXPR WrapperStruct00.var_1_21 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L110] CALL assume_abort_if_not(WrapperStruct00.var_1_21 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L20] COND FALSE !(!cond) [L110] RET assume_abort_if_not(WrapperStruct00.var_1_21 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L124] RET updateVariables() [L125] CALL step() [L59] EXPR WrapperStruct00.var_1_19 [L59] WrapperStruct00.var_1_18 = WrapperStruct00.var_1_19 [L60] EXPR WrapperStruct00.var_1_21 [L60] WrapperStruct00.var_1_20 = WrapperStruct00.var_1_21 [L61] EXPR WrapperStruct00.var_1_18 [L61] EXPR WrapperStruct00.var_1_10 [L61] EXPR WrapperStruct00.var_1_18 [L61] COND TRUE (WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6) [L62] EXPR WrapperStruct00.var_1_20 [L62] EXPR WrapperStruct00.var_1_7 [L62] EXPR WrapperStruct00.var_1_20 [L62] WrapperStruct00.var_1_8 = ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20) [L70] EXPR WrapperStruct00.var_1_8 [L70] EXPR WrapperStruct00.var_1_20 [L70] EXPR WrapperStruct00.var_1_8 [L70] signed long int stepLocal_0 = (WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8; [L71] EXPR WrapperStruct00.var_1_20 [L71] EXPR WrapperStruct00.var_1_8 [L71] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L71] EXPR WrapperStruct00.var_1_20 [L71] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L71] COND FALSE !(stepLocal_0 < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) [L74] EXPR WrapperStruct00.var_1_7 [L74] WrapperStruct00.var_1_1 = WrapperStruct00.var_1_7 [L76] EXPR WrapperStruct00.var_1_1 [L76] EXPR WrapperStruct00.var_1_13 [L76] EXPR WrapperStruct00.var_1_14 [L76] (WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15 [L76] COND FALSE !((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) [L81] EXPR WrapperStruct00.var_1_17 [L81] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_17 [L125] RET step() [L126] CALL, EXPR property() [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR ((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8) [L116] EXPR (((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L116] EXPR WrapperStruct00.var_1_1 [L116] EXPR WrapperStruct00.var_1_7 [L116] EXPR (((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) [L116] EXPR WrapperStruct00.var_1_18 [L116] EXPR WrapperStruct00.var_1_10 [L116] EXPR WrapperStruct00.var_1_18 [L116] EXPR ((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))) [L116] EXPR WrapperStruct00.var_1_18 [L116] EXPR WrapperStruct00.var_1_10 [L116] EXPR (WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)) [L116] EXPR WrapperStruct00.var_1_8 [L116] EXPR WrapperStruct00.var_1_20 [L116] EXPR (WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)) [L116] EXPR ((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))) [L116] EXPR ((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20)))) [L116] EXPR (((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17))) [L116] EXPR ((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19)) [L116] EXPR (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) [L116-L117] return (((((((WrapperStruct00.var_1_8 * WrapperStruct00.var_1_20) * WrapperStruct00.var_1_8) < ((((WrapperStruct00.var_1_20) > (WrapperStruct00.var_1_8)) ? (WrapperStruct00.var_1_20) : (WrapperStruct00.var_1_8)))) ? (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7)) : (WrapperStruct00.var_1_1 == ((unsigned char) WrapperStruct00.var_1_7))) && (((WrapperStruct00.var_1_18 / WrapperStruct00.var_1_10) >= (WrapperStruct00.var_1_18 / 128.6)) ? (WrapperStruct00.var_1_8 == ((signed long int) ((WrapperStruct00.var_1_20 + (WrapperStruct00.var_1_7 + last_1_WrapperStruct00_var_1_8)) - WrapperStruct00.var_1_20))) : ((WrapperStruct00.var_1_18 <= WrapperStruct00.var_1_10) ? (WrapperStruct00.var_1_8 == ((signed long int) 256)) : (WrapperStruct00.var_1_8 == ((signed long int) WrapperStruct00.var_1_20))))) && (((WrapperStruct00.var_1_1 == (WrapperStruct00.var_1_13 - WrapperStruct00.var_1_14)) && WrapperStruct00.var_1_15) ? (WrapperStruct00.var_1_15 ? (WrapperStruct00.var_1_12 == ((unsigned char) (((((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) > (WrapperStruct00.var_1_7)) ? ((WrapperStruct00.var_1_16 - WrapperStruct00.var_1_14)) : (WrapperStruct00.var_1_7))))) : 1) : (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_17)))) && (WrapperStruct00.var_1_18 == ((float) WrapperStruct00.var_1_19))) && (WrapperStruct00.var_1_20 == ((signed char) WrapperStruct00.var_1_21)) ; [L126] RET, EXPR property() [L126] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_8=-100] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 43 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 3.7s, OverallIterations: 1, TraceHistogramMax: 17, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 72 NumberOfCodeBlocks, 72 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 13:35:26,034 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh --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 aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 13:35:28,307 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 13:35:28,390 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 13:35:28,398 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 13:35:28,399 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 13:35:28,432 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 13:35:28,433 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 13:35:28,434 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 13:35:28,435 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 13:35:28,435 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 13:35:28,436 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 13:35:28,437 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 13:35:28,437 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 13:35:28,438 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 13:35:28,438 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 13:35:28,439 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 13:35:28,440 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 13:35:28,441 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 13:35:28,441 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 13:35:28,442 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 13:35:28,442 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 13:35:28,443 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 13:35:28,443 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 13:35:28,444 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 13:35:28,444 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 13:35:28,445 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 13:35:28,445 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 13:35:28,446 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 13:35:28,446 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 13:35:28,446 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 13:35:28,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 13:35:28,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 13:35:28,448 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 13:35:28,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 13:35:28,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:35:28,449 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 13:35:28,449 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 13:35:28,449 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 13:35:28,449 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 13:35:28,450 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 13:35:28,450 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 13:35:28,450 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 13:35:28,451 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 13:35:28,451 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 13:35:28,466 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> aae2fa1a6f385f97337cc2b739ec0b65ccf727ece5077a08bd3db09419c3a3cc [2023-12-02 13:35:28,855 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 13:35:28,880 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 13:35:28,883 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 13:35:28,884 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 13:35:28,885 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 13:35:28,886 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2023-12-02 13:35:32,082 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 13:35:32,347 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 13:35:32,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i [2023-12-02 13:35:32,358 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data/28df7043d/106aa2f2686f46018f05838d5d8c2d43/FLAGe63f6e59a [2023-12-02 13:35:32,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/data/28df7043d/106aa2f2686f46018f05838d5d8c2d43 [2023-12-02 13:35:32,380 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 13:35:32,382 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 13:35:32,384 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 13:35:32,384 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 13:35:32,390 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 13:35:32,391 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,393 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29399306 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32, skipping insertion in model container [2023-12-02 13:35:32,393 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,432 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 13:35:32,626 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2023-12-02 13:35:32,696 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:35:32,717 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 13:35:32,733 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_7a75815c-e984-4b76-ba76-55abd6ed51ea/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-75.i[916,929] [2023-12-02 13:35:32,801 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 13:35:32,856 INFO L206 MainTranslator]: Completed translation [2023-12-02 13:35:32,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32 WrapperNode [2023-12-02 13:35:32,858 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 13:35:32,859 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 13:35:32,859 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 13:35:32,859 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 13:35:32,869 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,891 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,937 INFO L138 Inliner]: procedures = 36, calls = 160, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 405 [2023-12-02 13:35:32,937 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 13:35:32,938 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 13:35:32,938 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 13:35:32,938 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 13:35:32,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,961 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,962 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,991 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:32,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:33,001 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:33,006 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:33,015 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 13:35:33,016 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 13:35:33,016 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 13:35:33,016 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 13:35:33,017 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (1/1) ... [2023-12-02 13:35:33,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 13:35:33,050 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 13:35:33,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 13:35:33,071 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 13:35:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 13:35:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 13:35:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 13:35:33,109 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 13:35:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 13:35:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2023-12-02 13:35:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 13:35:33,110 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 13:35:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 13:35:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 13:35:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 13:35:33,111 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 13:35:33,111 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 13:35:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 13:35:33,112 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 13:35:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 13:35:33,112 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 13:35:33,253 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 13:35:33,256 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 13:35:49,935 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 13:35:49,986 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 13:35:49,987 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 13:35:49,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:49 BoogieIcfgContainer [2023-12-02 13:35:49,987 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 13:35:49,990 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 13:35:49,991 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 13:35:49,995 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 13:35:49,995 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 01:35:32" (1/3) ... [2023-12-02 13:35:49,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3018ecc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:49, skipping insertion in model container [2023-12-02 13:35:49,996 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:35:32" (2/3) ... [2023-12-02 13:35:49,996 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3018ecc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 01:35:49, skipping insertion in model container [2023-12-02 13:35:49,997 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:35:49" (3/3) ... [2023-12-02 13:35:49,998 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-75.i [2023-12-02 13:35:50,020 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 13:35:50,020 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 13:35:50,067 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 13:35:50,073 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;@42166aab, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 13:35:50,074 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 13:35:50,078 INFO L276 IsEmpty]: Start isEmpty. Operand has 90 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 71 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:35:50,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 13:35:50,093 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:50,094 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:50,094 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:50,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:50,099 INFO L85 PathProgramCache]: Analyzing trace with hash -950670421, now seen corresponding path program 1 times [2023-12-02 13:35:50,111 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:35:50,111 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [37507558] [2023-12-02 13:35:50,111 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:50,112 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 [2023-12-02 13:35:50,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:35:50,113 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:35:50,114 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:51,770 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 13:35:51,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:35:51,816 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2023-12-02 13:35:51,817 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:35:51,818 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:35:51,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [37507558] [2023-12-02 13:35:51,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [37507558] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:51,819 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:51,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 13:35:51,821 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [149522079] [2023-12-02 13:35:51,822 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:51,827 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 13:35:51,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:35:51,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 13:35:51,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:35:51,858 INFO L87 Difference]: Start difference. First operand has 90 states, 70 states have (on average 1.4428571428571428) internal successors, (101), 71 states have internal predecessors, (101), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) Second operand has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:35:51,973 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:51,973 INFO L93 Difference]: Finished difference Result 177 states and 285 transitions. [2023-12-02 13:35:51,975 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 13:35:51,976 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2023-12-02 13:35:51,977 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:51,984 INFO L225 Difference]: With dead ends: 177 [2023-12-02 13:35:51,985 INFO L226 Difference]: Without dead ends: 88 [2023-12-02 13:35:51,989 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 13:35:51,994 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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, 0.1s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:51,995 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 126 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 13:35:52,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-12-02 13:35:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 88. [2023-12-02 13:35:52,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 69 states have (on average 1.391304347826087) internal successors, (96), 69 states have internal predecessors, (96), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:35:52,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 130 transitions. [2023-12-02 13:35:52,051 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 130 transitions. Word has length 131 [2023-12-02 13:35:52,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:52,052 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 130 transitions. [2023-12-02 13:35:52,057 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 26.5) internal successors, (53), 2 states have internal predecessors, (53), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:35:52,058 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 130 transitions. [2023-12-02 13:35:52,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 13:35:52,063 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:52,063 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:52,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:52,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:52,264 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:52,265 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:52,265 INFO L85 PathProgramCache]: Analyzing trace with hash 685314461, now seen corresponding path program 1 times [2023-12-02 13:35:52,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:35:52,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568882840] [2023-12-02 13:35:52,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:52,267 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 [2023-12-02 13:35:52,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:35:52,269 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:35:52,270 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:54,328 INFO L262 TraceCheckSpWp]: Trace formula consists of 275 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 13:35:54,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:35:54,617 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 424 trivial. 0 not checked. [2023-12-02 13:35:54,618 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:35:54,618 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:35:54,619 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568882840] [2023-12-02 13:35:54,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568882840] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:54,619 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:54,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 13:35:54,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1947369179] [2023-12-02 13:35:54,620 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:54,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 13:35:54,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:35:54,624 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 13:35:54,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 13:35:54,624 INFO L87 Difference]: Start difference. First operand 88 states and 130 transitions. Second operand has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:35:55,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:55,093 INFO L93 Difference]: Finished difference Result 181 states and 268 transitions. [2023-12-02 13:35:55,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 13:35:55,094 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) Word has length 131 [2023-12-02 13:35:55,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:55,095 INFO L225 Difference]: With dead ends: 181 [2023-12-02 13:35:55,096 INFO L226 Difference]: Without dead ends: 94 [2023-12-02 13:35:55,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:35:55,098 INFO L413 NwaCegarLoop]: 125 mSDtfsCounter, 10 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:55,099 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 367 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 13:35:55,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-02 13:35:55,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 90. [2023-12-02 13:35:55,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 71 states have (on average 1.380281690140845) internal successors, (98), 71 states have internal predecessors, (98), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:35:55,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 132 transitions. [2023-12-02 13:35:55,117 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 132 transitions. Word has length 131 [2023-12-02 13:35:55,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:55,118 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 132 transitions. [2023-12-02 13:35:55,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 13.0) internal successors, (52), 4 states have internal predecessors, (52), 2 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 2 states have call predecessors, (17), 2 states have call successors, (17) [2023-12-02 13:35:55,118 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 132 transitions. [2023-12-02 13:35:55,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 13:35:55,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:55,122 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:55,145 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-12-02 13:35:55,322 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:55,323 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:55,323 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:55,323 INFO L85 PathProgramCache]: Analyzing trace with hash -1887650149, now seen corresponding path program 1 times [2023-12-02 13:35:55,324 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:35:55,324 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2048208491] [2023-12-02 13:35:55,324 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:55,325 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 [2023-12-02 13:35:55,325 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:35:55,326 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:35:55,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:35:57,272 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 13:35:57,278 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:35:57,677 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:35:57,677 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:35:57,677 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:35:57,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2048208491] [2023-12-02 13:35:57,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2048208491] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:35:57,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:35:57,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 13:35:57,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267623730] [2023-12-02 13:35:57,679 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:35:57,680 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 13:35:57,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:35:57,681 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 13:35:57,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 13:35:57,682 INFO L87 Difference]: Start difference. First operand 90 states and 132 transitions. Second operand has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:35:58,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:35:58,698 INFO L93 Difference]: Finished difference Result 194 states and 284 transitions. [2023-12-02 13:35:58,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 13:35:58,699 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-02 13:35:58,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:35:58,704 INFO L225 Difference]: With dead ends: 194 [2023-12-02 13:35:58,704 INFO L226 Difference]: Without dead ends: 105 [2023-12-02 13:35:58,706 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 133 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 13:35:58,708 INFO L413 NwaCegarLoop]: 121 mSDtfsCounter, 28 mSDsluCounter, 358 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2023-12-02 13:35:58,709 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 479 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2023-12-02 13:35:58,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 105 states. [2023-12-02 13:35:58,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 105 to 94. [2023-12-02 13:35:58,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 75 states have (on average 1.36) internal successors, (102), 75 states have internal predecessors, (102), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:35:58,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-12-02 13:35:58,724 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 131 [2023-12-02 13:35:58,726 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:35:58,726 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-12-02 13:35:58,726 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.8) internal successors, (49), 5 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:35:58,726 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-12-02 13:35:58,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 13:35:58,730 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:35:58,730 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:35:58,763 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-12-02 13:35:58,937 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:35:58,937 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:35:58,938 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:35:58,938 INFO L85 PathProgramCache]: Analyzing trace with hash -1830391847, now seen corresponding path program 1 times [2023-12-02 13:35:58,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:35:58,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1307515151] [2023-12-02 13:35:58,939 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:35:58,939 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 [2023-12-02 13:35:58,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:35:58,941 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:35:58,942 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:36:00,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:00,781 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 13:36:00,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:01,381 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:36:01,381 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:01,382 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:36:01,382 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1307515151] [2023-12-02 13:36:01,382 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1307515151] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:01,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:01,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 13:36:01,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1853949850] [2023-12-02 13:36:01,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:01,385 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 13:36:01,385 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:36:01,386 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 13:36:01,387 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 13:36:01,387 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:36:03,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 13:36:03,093 INFO L93 Difference]: Finished difference Result 199 states and 286 transitions. [2023-12-02 13:36:03,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 13:36:03,094 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) Word has length 131 [2023-12-02 13:36:03,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 13:36:03,098 INFO L225 Difference]: With dead ends: 199 [2023-12-02 13:36:03,098 INFO L226 Difference]: Without dead ends: 106 [2023-12-02 13:36:03,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 136 GetRequests, 126 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-02 13:36:03,101 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 22 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 593 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:03,102 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 593 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-12-02 13:36:03,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-12-02 13:36:03,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 96. [2023-12-02 13:36:03,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 77 states have (on average 1.3506493506493507) internal successors, (104), 77 states have internal predecessors, (104), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2023-12-02 13:36:03,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 138 transitions. [2023-12-02 13:36:03,117 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 138 transitions. Word has length 131 [2023-12-02 13:36:03,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 13:36:03,117 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 138 transitions. [2023-12-02 13:36:03,118 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.166666666666666) internal successors, (49), 6 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:36:03,118 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 138 transitions. [2023-12-02 13:36:03,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-12-02 13:36:03,129 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 13:36:03,130 INFO L195 NwaCegarLoop]: trace histogram [17, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-12-02 13:36:03,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:36:03,341 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:36:03,341 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 13:36:03,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 13:36:03,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1830332265, now seen corresponding path program 1 times [2023-12-02 13:36:03,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 13:36:03,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2129015005] [2023-12-02 13:36:03,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 13:36:03,343 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 [2023-12-02 13:36:03,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 13:36:03,344 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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) [2023-12-02 13:36:03,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:36:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 13:36:06,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 13:36:06,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 13:36:06,121 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 1 [2023-12-02 13:36:06,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-12-02 13:36:07,402 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:36:07,402 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 47 [2023-12-02 13:36:08,840 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:36:08,840 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 69 treesize of output 50 [2023-12-02 13:36:10,356 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 13:36:10,357 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 89 treesize of output 31 [2023-12-02 13:36:11,551 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2023-12-02 13:36:11,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 13:36:11,551 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 13:36:11,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [2129015005] [2023-12-02 13:36:11,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [2129015005] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 13:36:11,552 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 13:36:11,552 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 13:36:11,552 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204848011] [2023-12-02 13:36:11,552 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 13:36:11,553 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 13:36:11,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 13:36:11,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 13:36:11,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:36:11,554 INFO L87 Difference]: Start difference. First operand 96 states and 138 transitions. Second operand has 7 states, 7 states have (on average 7.0) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 1 states have call predecessors, (17), 1 states have call successors, (17) [2023-12-02 13:36:21,218 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2023-12-02 13:36:21,219 INFO L413 NwaCegarLoop]: 70 mSDtfsCounter, 0 mSDsluCounter, 210 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-12-02 13:36:21,219 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 280 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 6.0s Time] [2023-12-02 13:36:21,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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)] Ended with exit code 0 [2023-12-02 13:36:21,420 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/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 [2023-12-02 13:36:21,421 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5 at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.undoMap(ScopedHashMap.java:97) at de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.endScope(ScopedHashMap.java:127) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.pop(DiffWrapperScript.java:101) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.pop(WrapperScript.java:153) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.pop(HistoryRecordingScript.java:117) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.pop(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.unAssertCodeBlock(IncrementalHoareTripleChecker.java:436) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.clearAssertionStack(IncrementalHoareTripleChecker.java:278) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.IncrementalHoareTripleChecker.releaseLock(IncrementalHoareTripleChecker.java:284) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker$ProtectedHtc.releaseLock(ChainingHoareTripleChecker.java:449) at java.base/java.util.ArrayList$ArrayListSpliterator.forEachRemaining(ArrayList.java:1655) at java.base/java.util.stream.ReferencePipeline$Head.forEach(ReferencePipeline.java:658) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.ChainingHoareTripleChecker.releaseLock(ChainingHoareTripleChecker.java:98) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.hoaretriple.CachingHoareTripleChecker.releaseLock(CachingHoareTripleChecker.java:159) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.switchToReadonlyMode(AbstractInterpolantAutomaton.java:140) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.computeAutomataDifference(NwaCegarLoop.java:365) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.NwaCegarLoop.refineAbstraction(NwaCegarLoop.java:325) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.refineAbstractionInternal(AbstractCegarLoop.java:487) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:438) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-12-02 13:36:21,424 INFO L158 Benchmark]: Toolchain (without parser) took 49042.56ms. Allocated memory is still 83.9MB. Free memory was 59.6MB in the beginning and 53.6MB in the end (delta: 6.0MB). Peak memory consumption was 36.9MB. Max. memory is 16.1GB. [2023-12-02 13:36:21,425 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 13:36:21,425 INFO L158 Benchmark]: CACSL2BoogieTranslator took 474.55ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 61.0MB in the end (delta: -1.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. [2023-12-02 13:36:21,425 INFO L158 Benchmark]: Boogie Procedure Inliner took 78.29ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 57.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 13:36:21,425 INFO L158 Benchmark]: Boogie Preprocessor took 76.84ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 53.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 13:36:21,426 INFO L158 Benchmark]: RCFGBuilder took 16971.82ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 44.5MB in the end (delta: 9.0MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. [2023-12-02 13:36:21,426 INFO L158 Benchmark]: TraceAbstraction took 31433.26ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 53.6MB in the end (delta: -10.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. [2023-12-02 13:36:21,428 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 62.9MB. Free memory was 39.7MB in the beginning and 39.6MB in the end (delta: 73.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 474.55ms. Allocated memory is still 83.9MB. Free memory was 59.5MB in the beginning and 61.0MB in the end (delta: -1.5MB). Peak memory consumption was 18.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 78.29ms. Allocated memory is still 83.9MB. Free memory was 61.0MB in the beginning and 57.3MB in the end (delta: 3.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 76.84ms. Allocated memory is still 83.9MB. Free memory was 57.3MB in the beginning and 53.5MB in the end (delta: 3.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 16971.82ms. Allocated memory is still 83.9MB. Free memory was 53.5MB in the beginning and 44.5MB in the end (delta: 9.0MB). Peak memory consumption was 25.7MB. Max. memory is 16.1GB. * TraceAbstraction took 31433.26ms. Allocated memory is still 83.9MB. Free memory was 43.6MB in the beginning and 53.6MB in the end (delta: -10.0MB). Peak memory consumption was 17.8MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5: de.uni_freiburg.informatik.ultimate.util.datastructures.ScopedHashMap.undoMap(ScopedHashMap.java:97) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-12-02 13:36:21,635 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forcibly destroying the process [2023-12-02 13:36:21,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a75815c-e984-4b76-ba76-55abd6ed51ea/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: ArrayIndexOutOfBoundsException: Index -1 out of bounds for length 5