./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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_3afab386-85bc-4af7-8c4c-9e72794f517a/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 a710c8a85a9b8babc674eadb463f38727995c780b4aae16a0530660db602c87a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:57:26,735 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:57:26,805 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-12-02 15:57:26,810 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:57:26,811 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:57:26,835 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:57:26,836 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:57:26,836 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:57:26,837 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:57:26,837 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:57:26,838 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:57:26,838 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:57:26,839 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:57:26,839 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-12-02 15:57:26,840 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:57:26,840 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:57:26,841 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-12-02 15:57:26,841 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-12-02 15:57:26,842 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:57:26,842 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-12-02 15:57:26,843 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-12-02 15:57:26,844 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-12-02 15:57:26,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:57:26,845 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:57:26,845 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:57:26,846 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 15:57:26,846 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:57:26,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:57:26,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:57:26,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:57:26,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:57:26,848 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:57:26,849 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:57:26,849 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:57:26,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:57:26,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:57:26,850 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:57:26,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:57:26,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:57:26,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:57:26,851 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:57:26,851 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-12-02 15:57:26,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 15:57:26,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:57:26,851 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:57:26,852 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:57:26,852 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:57:26,852 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_3afab386-85bc-4af7-8c4c-9e72794f517a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a710c8a85a9b8babc674eadb463f38727995c780b4aae16a0530660db602c87a [2023-12-02 15:57:27,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:57:27,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:57:27,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:57:27,100 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:57:27,101 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:57:27,102 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i [2023-12-02 15:57:29,897 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:57:30,104 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:57:30,105 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i [2023-12-02 15:57:30,115 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data/284f8008f/83a2f46712e14f8395c30d7f131674ca/FLAGd04ab47fa [2023-12-02 15:57:30,132 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data/284f8008f/83a2f46712e14f8395c30d7f131674ca [2023-12-02 15:57:30,134 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:57:30,136 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:57:30,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:57:30,138 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:57:30,144 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:57:30,144 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,146 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2336ca65 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30, skipping insertion in model container [2023-12-02 15:57:30,146 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,190 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:57:30,359 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_3afab386-85bc-4af7-8c4c-9e72794f517a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i[917,930] [2023-12-02 15:57:30,427 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:57:30,443 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:57:30,458 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_3afab386-85bc-4af7-8c4c-9e72794f517a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i[917,930] [2023-12-02 15:57:30,499 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:57:30,523 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:57:30,524 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30 WrapperNode [2023-12-02 15:57:30,524 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:57:30,525 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:57:30,525 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:57:30,526 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:57:30,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,551 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,600 INFO L138 Inliner]: procedures = 29, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 466 [2023-12-02 15:57:30,600 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:57:30,601 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:57:30,601 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:57:30,601 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:57:30,612 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,613 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,621 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,621 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,643 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,648 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,652 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,656 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,663 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:57:30,664 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:57:30,664 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:57:30,664 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:57:30,665 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (1/1) ... [2023-12-02 15:57:30,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:57:30,685 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:57:30,698 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:57:30,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:57:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:57:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 15:57:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 15:57:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 15:57:30,743 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 15:57:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 15:57:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:57:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 15:57:30,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:57:30,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:57:30,877 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:57:30,880 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:57:31,414 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:57:32,030 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:57:32,031 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:57:32,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:57:32 BoogieIcfgContainer [2023-12-02 15:57:32,033 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:57:32,036 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:57:32,036 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:57:32,039 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:57:32,039 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:57:30" (1/3) ... [2023-12-02 15:57:32,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1a8573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:57:32, skipping insertion in model container [2023-12-02 15:57:32,040 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:30" (2/3) ... [2023-12-02 15:57:32,040 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@a1a8573 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:57:32, skipping insertion in model container [2023-12-02 15:57:32,041 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:57:32" (3/3) ... [2023-12-02 15:57:32,042 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-83.i [2023-12-02 15:57:32,059 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:57:32,059 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:57:32,104 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:57:32,110 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;@ed0e71, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:57:32,110 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:57:32,114 INFO L276 IsEmpty]: Start isEmpty. Operand has 31 states, 17 states have (on average 1.1764705882352942) internal successors, (20), 18 states have internal predecessors, (20), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:57:32,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-12-02 15:57:32,122 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:57:32,123 INFO L195 NwaCegarLoop]: trace histogram [11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:32,124 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:57:32,129 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:57:32,130 INFO L85 PathProgramCache]: Analyzing trace with hash 1764058475, now seen corresponding path program 1 times [2023-12-02 15:57:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-12-02 15:57:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428183084] [2023-12-02 15:57:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:32,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 15:57:32,355 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-12-02 15:57:32,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [955503747] [2023-12-02 15:57:32,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:32,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 15:57:32,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:57:32,360 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 15:57:32,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-12-02 15:57:33,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:57:33,303 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 15:57:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 15:57:33,932 INFO L130 FreeRefinementEngine]: Strategy SIFA_TAIPAN found a feasible trace [2023-12-02 15:57:33,934 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-12-02 15:57:33,936 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-12-02 15:57:33,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-12-02 15:57:34,138 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-12-02 15:57:34,143 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2023-12-02 15:57:34,147 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-12-02 15:57:34,202 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 15:57:34,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-12-02 15:57:34,205 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 15:57:34,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-12-02 15:57:34,207 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 15:57:34,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem52 could not be translated [2023-12-02 15:57:34,209 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 15:57:34,210 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem53 could not be translated [2023-12-02 15:57:34,211 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 15:57:34,212 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem55 could not be translated [2023-12-02 15:57:34,213 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 15:57:34,214 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-12-02 15:57:34,215 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 15:57:34,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-12-02 15:57:34,216 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-12-02 15:57:34,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 15:57:34,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 15:57:34,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 15:57:34,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 15:57:34,217 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-12-02 15:57:34,218 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-12-02 15:57:34,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated [2023-12-02 15:57:34,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated [2023-12-02 15:57:34,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-12-02 15:57:34,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated [2023-12-02 15:57:34,219 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated [2023-12-02 15:57:34,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-12-02 15:57:34,220 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-12-02 15:57:34,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 15:57:34,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 15:57:34,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 15:57:34,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 15:57:34,221 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 15:57:34,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-12-02 15:57:34,222 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-12-02 15:57:34,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-12-02 15:57:34,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-12-02 15:57:34,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short69 could not be translated [2023-12-02 15:57:34,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated [2023-12-02 15:57:34,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-12-02 15:57:34,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-12-02 15:57:34,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short73 could not be translated [2023-12-02 15:57:34,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 15:57:34,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem75 could not be translated [2023-12-02 15:57:34,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 15:57:34,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem76 could not be translated [2023-12-02 15:57:34,248 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:57:34 BoogieIcfgContainer [2023-12-02 15:57:34,249 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-12-02 15:57:34,249 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 15:57:34,249 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 15:57:34,250 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 15:57:34,250 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:57:32" (3/4) ... [2023-12-02 15:57:34,252 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 15:57:34,254 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 15:57:34,255 INFO L158 Benchmark]: Toolchain (without parser) took 4118.75ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 88.9MB in the beginning and 92.6MB in the end (delta: -3.7MB). Peak memory consumption was 28.2MB. Max. memory is 16.1GB. [2023-12-02 15:57:34,256 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:57:34,257 INFO L158 Benchmark]: CACSL2BoogieTranslator took 386.69ms. Allocated memory is still 125.8MB. Free memory was 88.9MB in the beginning and 73.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 15:57:34,257 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.03ms. Allocated memory is still 125.8MB. Free memory was 73.4MB in the beginning and 69.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 15:57:34,258 INFO L158 Benchmark]: Boogie Preprocessor took 61.95ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 66.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 15:57:34,259 INFO L158 Benchmark]: RCFGBuilder took 1369.29ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 66.3MB in the beginning and 114.3MB in the end (delta: -48.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. [2023-12-02 15:57:34,259 INFO L158 Benchmark]: TraceAbstraction took 2213.08ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 92.6MB in the end (delta: 20.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2023-12-02 15:57:34,260 INFO L158 Benchmark]: Witness Printer took 4.57ms. Allocated memory is still 157.3MB. Free memory is still 92.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 15:57:34,264 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 125.8MB. Free memory is still 98.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 386.69ms. Allocated memory is still 125.8MB. Free memory was 88.9MB in the beginning and 73.4MB in the end (delta: 15.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.03ms. Allocated memory is still 125.8MB. Free memory was 73.4MB in the beginning and 69.2MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.95ms. Allocated memory is still 125.8MB. Free memory was 69.2MB in the beginning and 66.3MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1369.29ms. Allocated memory was 125.8MB in the beginning and 157.3MB in the end (delta: 31.5MB). Free memory was 66.3MB in the beginning and 114.3MB in the end (delta: -48.0MB). Peak memory consumption was 33.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2213.08ms. Allocated memory is still 157.3MB. Free memory was 113.2MB in the beginning and 92.6MB in the end (delta: 20.6MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * Witness Printer took 4.57ms. Allocated memory is still 157.3MB. Free memory is still 92.6MB. 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~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 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~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 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~short73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 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~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short73 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 bitwiseOr at line 81, overapproximation of someUnaryDOUBLEoperation at line 84, overapproximation of someBinaryArithmeticDOUBLEoperation at line 84, overapproximation of someBinaryDOUBLEComparisonOperation at line 84. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 128, 0, 25, 4, 127.625, 0.8, 128.75, 24.8, -128, 64, 5, 1.5 }; [L51] unsigned short int* WrapperStruct00_var_1_1_Pointer = &(WrapperStruct00.var_1_1); [L52] unsigned char* WrapperStruct00_var_1_2_Pointer = &(WrapperStruct00.var_1_2); [L53] unsigned short int* WrapperStruct00_var_1_3_Pointer = &(WrapperStruct00.var_1_3); [L54] unsigned char* WrapperStruct00_var_1_4_Pointer = &(WrapperStruct00.var_1_4); [L55] double* WrapperStruct00_var_1_8_Pointer = &(WrapperStruct00.var_1_8); [L56] double* WrapperStruct00_var_1_10_Pointer = &(WrapperStruct00.var_1_10); [L57] double* WrapperStruct00_var_1_11_Pointer = &(WrapperStruct00.var_1_11); [L58] double* WrapperStruct00_var_1_12_Pointer = &(WrapperStruct00.var_1_12); [L59] signed short int* WrapperStruct00_var_1_14_Pointer = &(WrapperStruct00.var_1_14); [L60] signed char* WrapperStruct00_var_1_15_Pointer = &(WrapperStruct00.var_1_15); [L61] signed char* WrapperStruct00_var_1_16_Pointer = &(WrapperStruct00.var_1_16); [L62] double* WrapperStruct00_var_1_17_Pointer = &(WrapperStruct00.var_1_17); [L63] unsigned short int last_1_WrapperStruct00_var_1_1 = 128; [L122] isInitial = 1 [L123] FCALL initially() [L124] COND TRUE 1 [L125] CALL updateLastVariables() [L115] EXPR WrapperStruct00.var_1_1 [L115] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L125] RET updateLastVariables() [L126] CALL updateVariables() [L96] WrapperStruct00.var_1_2 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L97] RET assume_abort_if_not(WrapperStruct00.var_1_2 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L98] EXPR WrapperStruct00.var_1_2 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L98] RET assume_abort_if_not(WrapperStruct00.var_1_2 <= 1) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L99] WrapperStruct00.var_1_3 = __VERIFIER_nondet_ushort() [L100] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L100] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L101] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L101] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 65534) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L102] WrapperStruct00.var_1_4 = __VERIFIER_nondet_uchar() [L103] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L103] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L103] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L104] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L104] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 255) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L104] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 255) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L105] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L105] CALL assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L105] RET assume_abort_if_not(WrapperStruct00.var_1_4 != 0) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L106] WrapperStruct00.var_1_10 = __VERIFIER_nondet_double() [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR WrapperStruct00.var_1_10 [L107] EXPR WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F [L107] EXPR (WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L107] CALL assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L107] RET assume_abort_if_not((WrapperStruct00.var_1_10 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_10 <= -1.0e-20F) || (WrapperStruct00.var_1_10 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_10 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L108] WrapperStruct00.var_1_11 = __VERIFIER_nondet_double() [L109] EXPR WrapperStruct00.var_1_11 [L109] EXPR WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L109] EXPR (WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) [L109] EXPR WrapperStruct00.var_1_11 [L109] EXPR WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F [L109] EXPR WrapperStruct00.var_1_11 [L109] EXPR WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F [L109] EXPR (WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L109] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L109] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -461168.6018427382800e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 4611686.018427382800e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L110] WrapperStruct00.var_1_16 = __VERIFIER_nondet_char() [L111] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L111] CALL assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L111] RET assume_abort_if_not(WrapperStruct00.var_1_16 >= -127) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L112] EXPR WrapperStruct00.var_1_16 VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L112] CALL assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L20] COND FALSE !(!cond) [L112] RET assume_abort_if_not(WrapperStruct00.var_1_16 <= 126) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L126] RET updateVariables() [L127] CALL step() [L67] (*(WrapperStruct00_var_1_14_Pointer)) = 200 [L68] EXPR \read(*WrapperStruct00_var_1_16_Pointer) [L68] (*(WrapperStruct00_var_1_15_Pointer)) = (*(WrapperStruct00_var_1_16_Pointer)) [L69] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L69] (*(WrapperStruct00_var_1_17_Pointer)) = (*(WrapperStruct00_var_1_10_Pointer)) [L70] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L70] EXPR \read(*WrapperStruct00_var_1_4_Pointer) [L70] signed long int stepLocal_0 = (*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer)); [L71] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L71] COND TRUE (*(WrapperStruct00_var_1_2_Pointer)) [L72] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L72] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L72] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L72] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L72] EXPR ((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) [L72] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L72] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L72] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L72] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L72] EXPR ((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) [L72] (*(WrapperStruct00_var_1_1_Pointer)) = ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))) [L80] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L80] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L80] signed long int stepLocal_2 = (*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)); [L81] EXPR \read(*WrapperStruct00_var_1_14_Pointer) [L81] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L81] EXPR (*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)) [L81] signed long int stepLocal_1 = (*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)); [L82] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L82] COND FALSE !((*(WrapperStruct00_var_1_15_Pointer)) <= stepLocal_2) [L89] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L89] (*(WrapperStruct00_var_1_8_Pointer)) = (*(WrapperStruct00_var_1_10_Pointer)) [L91] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L91] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L91] COND FALSE !((*(WrapperStruct00_var_1_15_Pointer)) > (*(WrapperStruct00_var_1_15_Pointer))) [L127] RET step() [L128] CALL, EXPR property() [L118] EXPR \read(*WrapperStruct00_var_1_2_Pointer) [L118] EXPR (*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer))))) [L118] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L118] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L118] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L118] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L118] EXPR ((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) [L118] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L118] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L118] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L118] EXPR (((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))) [L118] EXPR ((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) [L118] EXPR (*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer))))) [L118] EXPR ((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer))))) [L118] EXPR \read(*WrapperStruct00_var_1_15_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_3_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_1_Pointer) [L118] EXPR ((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))) [L118] EXPR \read(*WrapperStruct00_var_1_8_Pointer) [L118] EXPR \read(*WrapperStruct00_var_1_10_Pointer) [L118] EXPR ((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))) [L118] EXPR ((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer))))) [L118] EXPR (((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) > (*(WrapperStruct00_var_1_15_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((double) (((((*(WrapperStruct00_var_1_11_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1) [L118] EXPR ((((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) > (*(WrapperStruct00_var_1_15_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((double) (((((*(WrapperStruct00_var_1_11_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed short int) 200)) [L118] EXPR (((((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) > (*(WrapperStruct00_var_1_15_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((double) (((((*(WrapperStruct00_var_1_11_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed short int) 200))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((signed char) (*(WrapperStruct00_var_1_16_Pointer)))) [L118] EXPR ((((((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) > (*(WrapperStruct00_var_1_15_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((double) (((((*(WrapperStruct00_var_1_11_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed short int) 200))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((signed char) (*(WrapperStruct00_var_1_16_Pointer))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))) [L118-L119] return ((((((*(WrapperStruct00_var_1_2_Pointer)) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) ((((((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) < 0 ) ? -(((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))) : (((((*(WrapperStruct00_var_1_3_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_3_Pointer))) : ((*(WrapperStruct00_var_1_3_Pointer))))))))) : ((((*(WrapperStruct00_var_1_3_Pointer)) / (*(WrapperStruct00_var_1_4_Pointer))) >= (((((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) < ((~ last_1_WrapperStruct00_var_1_1))) ? ((last_1_WrapperStruct00_var_1_1 * (*(WrapperStruct00_var_1_15_Pointer)))) : ((~ last_1_WrapperStruct00_var_1_1))))) ? ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_4_Pointer)))) : ((*(WrapperStruct00_var_1_1_Pointer)) == ((unsigned short int) (*(WrapperStruct00_var_1_3_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) <= ((*(WrapperStruct00_var_1_3_Pointer)) + (*(WrapperStruct00_var_1_1_Pointer)))) ? (((*(WrapperStruct00_var_1_1_Pointer)) == ((*(WrapperStruct00_var_1_14_Pointer)) ^ (*(WrapperStruct00_var_1_15_Pointer)))) ? ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) ((((((*(WrapperStruct00_var_1_10_Pointer))) < 0 ) ? -((*(WrapperStruct00_var_1_10_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))) + (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_11_Pointer))))) : ((*(WrapperStruct00_var_1_8_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))))) && (((*(WrapperStruct00_var_1_15_Pointer)) > (*(WrapperStruct00_var_1_15_Pointer))) ? ((*(WrapperStruct00_var_1_12_Pointer)) == ((double) (((((*(WrapperStruct00_var_1_11_Pointer))) < ((*(WrapperStruct00_var_1_10_Pointer)))) ? ((*(WrapperStruct00_var_1_11_Pointer))) : ((*(WrapperStruct00_var_1_10_Pointer))))))) : 1)) && ((*(WrapperStruct00_var_1_14_Pointer)) == ((signed short int) 200))) && ((*(WrapperStruct00_var_1_15_Pointer)) == ((signed char) (*(WrapperStruct00_var_1_16_Pointer))))) && ((*(WrapperStruct00_var_1_17_Pointer)) == ((double) (*(WrapperStruct00_var_1_10_Pointer)))) ; [L128] RET, EXPR property() [L128] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_1=128] [L19] reach_error() VAL [WrapperStruct00={4:0}, WrapperStruct00_var_1_10_Pointer={4:14}, WrapperStruct00_var_1_11_Pointer={4:22}, WrapperStruct00_var_1_12_Pointer={4:30}, WrapperStruct00_var_1_14_Pointer={4:38}, WrapperStruct00_var_1_15_Pointer={4:40}, WrapperStruct00_var_1_16_Pointer={4:41}, WrapperStruct00_var_1_17_Pointer={4:42}, WrapperStruct00_var_1_1_Pointer={4:0}, WrapperStruct00_var_1_2_Pointer={4:2}, WrapperStruct00_var_1_3_Pointer={4:3}, WrapperStruct00_var_1_4_Pointer={4:5}, WrapperStruct00_var_1_8_Pointer={4:6}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_1=128] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 31 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 1, TraceHistogramMax: 11, 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=31occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 48 NumberOfCodeBlocks, 48 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 15:57:34,287 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/config/TaipanReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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_3afab386-85bc-4af7-8c4c-9e72794f517a/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 a710c8a85a9b8babc674eadb463f38727995c780b4aae16a0530660db602c87a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 15:57:36,398 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 15:57:36,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/config/svcomp-Reach-32bit-Taipan_Bitvector.epf [2023-12-02 15:57:36,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 15:57:36,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-12-02 15:57:36,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 15:57:36,519 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-12-02 15:57:36,520 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-12-02 15:57:36,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 15:57:36,521 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-12-02 15:57:36,522 INFO L153 SettingsManager]: * User list type=DISABLED [2023-12-02 15:57:36,522 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-12-02 15:57:36,523 INFO L153 SettingsManager]: * Explicit value domain=true [2023-12-02 15:57:36,523 INFO L153 SettingsManager]: * Octagon Domain=false [2023-12-02 15:57:36,524 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-12-02 15:57:36,525 INFO L153 SettingsManager]: * Interval Domain=false [2023-12-02 15:57:36,526 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 15:57:36,526 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 15:57:36,527 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 15:57:36,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 15:57:36,528 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 15:57:36,532 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 15:57:36,532 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 15:57:36,532 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 15:57:36,533 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 15:57:36,533 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 15:57:36,533 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 15:57:36,534 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 15:57:36,534 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 15:57:36,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 15:57:36,535 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 15:57:36,535 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-12-02 15:57:36,536 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-12-02 15:57:36,536 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-12-02 15:57:36,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:57:36,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 15:57:36,537 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 15:57:36,537 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 15:57:36,537 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 15:57:36,538 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 15:57:36,538 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-12-02 15:57:36,538 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 15:57:36,538 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-12-02 15:57:36,539 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 15:57:36,539 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_3afab386-85bc-4af7-8c4c-9e72794f517a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a710c8a85a9b8babc674eadb463f38727995c780b4aae16a0530660db602c87a [2023-12-02 15:57:36,843 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 15:57:36,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 15:57:36,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 15:57:36,870 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 15:57:36,870 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 15:57:36,871 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i [2023-12-02 15:57:39,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 15:57:40,030 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 15:57:40,031 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i [2023-12-02 15:57:40,042 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data/5734f0bc3/aa4c264b8fe448ae94c13402e4d08121/FLAG9460ce66e [2023-12-02 15:57:40,055 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/data/5734f0bc3/aa4c264b8fe448ae94c13402e4d08121 [2023-12-02 15:57:40,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 15:57:40,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 15:57:40,061 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 15:57:40,061 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 15:57:40,066 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 15:57:40,067 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,068 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e558a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40, skipping insertion in model container [2023-12-02 15:57:40,068 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,108 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 15:57:40,270 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_3afab386-85bc-4af7-8c4c-9e72794f517a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i[917,930] [2023-12-02 15:57:40,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:57:40,359 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 15:57:40,375 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_3afab386-85bc-4af7-8c4c-9e72794f517a/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-sp_file-83.i[917,930] [2023-12-02 15:57:40,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 15:57:40,442 INFO L206 MainTranslator]: Completed translation [2023-12-02 15:57:40,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40 WrapperNode [2023-12-02 15:57:40,442 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 15:57:40,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 15:57:40,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 15:57:40,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 15:57:40,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,474 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,530 INFO L138 Inliner]: procedures = 33, calls = 153, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 437 [2023-12-02 15:57:40,531 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 15:57:40,532 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 15:57:40,532 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 15:57:40,532 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 15:57:40,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,560 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,561 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,588 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,591 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,594 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,600 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 15:57:40,601 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 15:57:40,601 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 15:57:40,601 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 15:57:40,602 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (1/1) ... [2023-12-02 15:57:40,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-12-02 15:57:40,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 15:57:40,642 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-12-02 15:57:40,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-12-02 15:57:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 15:57:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-02 15:57:40,684 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-02 15:57:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1 [2023-12-02 15:57:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2 [2023-12-02 15:57:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 15:57:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2023-12-02 15:57:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2 [2023-12-02 15:57:40,685 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-12-02 15:57:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-12-02 15:57:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 15:57:40,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 15:57:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1 [2023-12-02 15:57:40,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2 [2023-12-02 15:57:40,819 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 15:57:40,822 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 15:57:41,927 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 15:57:41,979 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 15:57:41,979 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 15:57:41,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:57:41 BoogieIcfgContainer [2023-12-02 15:57:41,980 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 15:57:41,983 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-12-02 15:57:41,983 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-12-02 15:57:41,987 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-12-02 15:57:41,987 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:57:40" (1/3) ... [2023-12-02 15:57:41,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed13667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:57:41, skipping insertion in model container [2023-12-02 15:57:41,988 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:57:40" (2/3) ... [2023-12-02 15:57:41,988 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ed13667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:57:41, skipping insertion in model container [2023-12-02 15:57:41,989 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:57:41" (3/3) ... [2023-12-02 15:57:41,990 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-sp_file-83.i [2023-12-02 15:57:42,011 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-12-02 15:57:42,011 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-12-02 15:57:42,066 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-12-02 15:57:42,074 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;@30e579c2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-12-02 15:57:42,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-12-02 15:57:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 83 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:57:42,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:57:42,094 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:57:42,095 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:42,095 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:57:42,101 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:57:42,101 INFO L85 PathProgramCache]: Analyzing trace with hash 1004924382, now seen corresponding path program 1 times [2023-12-02 15:57:42,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:57:42,118 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [884461687] [2023-12-02 15:57:42,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:42,118 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 15:57:42,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:57:42,120 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:42,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:57:42,551 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 15:57:42,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:57:42,589 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-12-02 15:57:42,589 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:57:42,590 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:57:42,590 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [884461687] [2023-12-02 15:57:42,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [884461687] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:57:42,591 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:57:42,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-12-02 15:57:42,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459165886] [2023-12-02 15:57:42,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:57:42,597 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-12-02 15:57:42,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:57:42,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-12-02 15:57:42,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-12-02 15:57:42,634 INFO L87 Difference]: Start difference. First operand has 96 states, 82 states have (on average 1.4878048780487805) internal successors, (122), 83 states have internal predecessors, (122), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:42,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:57:42,781 INFO L93 Difference]: Finished difference Result 189 states and 297 transitions. [2023-12-02 15:57:42,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-12-02 15:57:42,784 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 15:57:42,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:57:42,792 INFO L225 Difference]: With dead ends: 189 [2023-12-02 15:57:42,792 INFO L226 Difference]: Without dead ends: 94 [2023-12-02 15:57:42,796 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 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 15:57:42,800 INFO L413 NwaCegarLoop]: 129 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, 129 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 15:57:42,801 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 129 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-12-02 15:57:42,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-12-02 15:57:42,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94. [2023-12-02 15:57:42,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.3703703703703705) internal successors, (111), 81 states have internal predecessors, (111), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:57:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 133 transitions. [2023-12-02 15:57:42,844 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 133 transitions. Word has length 99 [2023-12-02 15:57:42,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:57:42,845 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 133 transitions. [2023-12-02 15:57:42,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 24.5) internal successors, (49), 2 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:42,845 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 133 transitions. [2023-12-02 15:57:42,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:57:42,850 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:57:42,850 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:42,860 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:43,050 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:43,051 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:57:43,052 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:57:43,052 INFO L85 PathProgramCache]: Analyzing trace with hash 1329431472, now seen corresponding path program 1 times [2023-12-02 15:57:43,053 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:57:43,053 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [655904974] [2023-12-02 15:57:43,053 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:43,053 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 15:57:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:57:43,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:43,056 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:43,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:57:43,437 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 15:57:43,445 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:57:43,512 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 15:57:43,512 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:57:43,512 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:57:43,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [655904974] [2023-12-02 15:57:43,513 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [655904974] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:57:43,513 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:57:43,513 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-12-02 15:57:43,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054306231] [2023-12-02 15:57:43,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:57:43,516 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:57:43,516 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:57:43,517 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:57:43,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-12-02 15:57:43,518 INFO L87 Difference]: Start difference. First operand 94 states and 133 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:43,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:57:43,849 INFO L93 Difference]: Finished difference Result 208 states and 295 transitions. [2023-12-02 15:57:43,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 15:57:43,850 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 15:57:43,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:57:43,853 INFO L225 Difference]: With dead ends: 208 [2023-12-02 15:57:43,853 INFO L226 Difference]: Without dead ends: 115 [2023-12-02 15:57:43,855 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:57:43,856 INFO L413 NwaCegarLoop]: 124 mSDtfsCounter, 46 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 494 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-12-02 15:57:43,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 494 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-12-02 15:57:43,858 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2023-12-02 15:57:43,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 98. [2023-12-02 15:57:43,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 98 states, 85 states have (on average 1.3529411764705883) internal successors, (115), 85 states have internal predecessors, (115), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:57:43,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 137 transitions. [2023-12-02 15:57:43,873 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 137 transitions. Word has length 99 [2023-12-02 15:57:43,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:57:43,875 INFO L495 AbstractCegarLoop]: Abstraction has 98 states and 137 transitions. [2023-12-02 15:57:43,875 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:43,876 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 137 transitions. [2023-12-02 15:57:43,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:57:43,878 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:57:43,878 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:43,890 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:44,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:44,081 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:57:44,081 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:57:44,081 INFO L85 PathProgramCache]: Analyzing trace with hash 520084846, now seen corresponding path program 1 times [2023-12-02 15:57:44,082 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:57:44,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1427682494] [2023-12-02 15:57:44,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:44,082 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 15:57:44,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:57:44,083 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:44,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:44,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:57:44,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 5 conjunts are in the unsatisfiable core [2023-12-02 15:57:44,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:57:44,524 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 15:57:44,524 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:57:44,525 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:57:44,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1427682494] [2023-12-02 15:57:44,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1427682494] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:57:44,526 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:57:44,526 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:57:44,526 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311287511] [2023-12-02 15:57:44,526 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:57:44,527 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 15:57:44,527 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:57:44,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 15:57:44,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-12-02 15:57:44,529 INFO L87 Difference]: Start difference. First operand 98 states and 137 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:44,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:57:44,841 INFO L93 Difference]: Finished difference Result 215 states and 300 transitions. [2023-12-02 15:57:44,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-12-02 15:57:44,842 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 15:57:44,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:57:44,844 INFO L225 Difference]: With dead ends: 215 [2023-12-02 15:57:44,845 INFO L226 Difference]: Without dead ends: 118 [2023-12-02 15:57:44,846 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-12-02 15:57:44,847 INFO L413 NwaCegarLoop]: 122 mSDtfsCounter, 49 mSDsluCounter, 489 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 611 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 15:57:44,848 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 611 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 15:57:44,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2023-12-02 15:57:44,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 100. [2023-12-02 15:57:44,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 87 states have (on average 1.3448275862068966) internal successors, (117), 87 states have internal predecessors, (117), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-12-02 15:57:44,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 139 transitions. [2023-12-02 15:57:44,861 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 139 transitions. Word has length 99 [2023-12-02 15:57:44,861 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:57:44,862 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 139 transitions. [2023-12-02 15:57:44,862 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:44,862 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 139 transitions. [2023-12-02 15:57:44,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:57:44,865 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:57:44,865 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:44,877 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:45,072 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:45,073 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:57:45,073 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:57:45,074 INFO L85 PathProgramCache]: Analyzing trace with hash 577343148, now seen corresponding path program 1 times [2023-12-02 15:57:45,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:57:45,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [603589064] [2023-12-02 15:57:45,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:45,075 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 15:57:45,076 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:57:45,077 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:45,078 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:45,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:57:45,577 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-02 15:57:45,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:57:45,743 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 15:57:47,702 INFO L349 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2023-12-02 15:57:47,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 37 treesize of output 47 [2023-12-02 15:57:47,868 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:57:47,869 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 54 treesize of output 50 [2023-12-02 15:57:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 15:57:47,978 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:57:47,978 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:57:47,978 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [603589064] [2023-12-02 15:57:47,978 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [603589064] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:57:47,978 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:57:47,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-12-02 15:57:47,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641389274] [2023-12-02 15:57:47,979 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:57:47,980 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 15:57:47,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:57:47,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 15:57:47,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2023-12-02 15:57:47,981 INFO L87 Difference]: Start difference. First operand 100 states and 139 transitions. Second operand has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:50,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:57:50,841 INFO L93 Difference]: Finished difference Result 310 states and 434 transitions. [2023-12-02 15:57:50,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 15:57:50,841 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 15:57:50,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:57:50,844 INFO L225 Difference]: With dead ends: 310 [2023-12-02 15:57:50,844 INFO L226 Difference]: Without dead ends: 211 [2023-12-02 15:57:50,845 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2023-12-02 15:57:50,846 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 144 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 412 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 442 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 412 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2023-12-02 15:57:50,847 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 391 Invalid, 442 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 412 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2023-12-02 15:57:50,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 211 states. [2023-12-02 15:57:50,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 211 to 142. [2023-12-02 15:57:50,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 142 states, 117 states have (on average 1.3333333333333333) internal successors, (156), 117 states have internal predecessors, (156), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 15:57:50,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 142 states and 200 transitions. [2023-12-02 15:57:50,873 INFO L78 Accepts]: Start accepts. Automaton has 142 states and 200 transitions. Word has length 99 [2023-12-02 15:57:50,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:57:50,874 INFO L495 AbstractCegarLoop]: Abstraction has 142 states and 200 transitions. [2023-12-02 15:57:50,874 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:57:50,875 INFO L276 IsEmpty]: Start isEmpty. Operand 142 states and 200 transitions. [2023-12-02 15:57:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:57:50,876 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:57:50,876 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:57:50,886 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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)] Forceful destruction successful, exit code 0 [2023-12-02 15:57:51,077 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:51,077 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:57:51,078 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:57:51,078 INFO L85 PathProgramCache]: Analyzing trace with hash -1228095186, now seen corresponding path program 1 times [2023-12-02 15:57:51,078 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:57:51,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1342422346] [2023-12-02 15:57:51,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:57:51,079 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 15:57:51,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:57:51,080 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:51,081 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:57:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:57:51,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 34 conjunts are in the unsatisfiable core [2023-12-02 15:57:51,659 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:57:51,842 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 15:57:53,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 15:57:54,284 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2023-12-02 15:57:54,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2023-12-02 15:57:55,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 14 [2023-12-02 15:57:56,119 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 10 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 22 [2023-12-02 15:57:56,793 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:57:56,794 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 68 treesize of output 68 [2023-12-02 15:57:57,200 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 68 proven. 78 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 15:57:57,200 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:57:58,007 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 15:57:58,007 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:57:58,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1342422346] [2023-12-02 15:57:58,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1342422346] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 15:57:58,008 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:57:58,008 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [11] total 15 [2023-12-02 15:57:58,008 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881446509] [2023-12-02 15:57:58,008 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:57:58,009 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-12-02 15:57:58,009 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:57:58,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-12-02 15:57:58,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=172, Unknown=0, NotChecked=0, Total=210 [2023-12-02 15:57:58,010 INFO L87 Difference]: Start difference. First operand 142 states and 200 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:58:01,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:58:01,655 INFO L93 Difference]: Finished difference Result 242 states and 340 transitions. [2023-12-02 15:58:01,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 15:58:01,658 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 15:58:01,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:58:01,660 INFO L225 Difference]: With dead ends: 242 [2023-12-02 15:58:01,660 INFO L226 Difference]: Without dead ends: 143 [2023-12-02 15:58:01,661 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 198 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 2.3s TimeCoverageRelationStatistics Valid=49, Invalid=223, Unknown=0, NotChecked=0, Total=272 [2023-12-02 15:58:01,662 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 13 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.1s IncrementalHoareTripleChecker+Time [2023-12-02 15:58:01,663 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 353 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 3.1s Time] [2023-12-02 15:58:01,664 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2023-12-02 15:58:01,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 143. [2023-12-02 15:58:01,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 118 states have (on average 1.3220338983050848) internal successors, (156), 118 states have internal predecessors, (156), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 15:58:01,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 200 transitions. [2023-12-02 15:58:01,680 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 200 transitions. Word has length 99 [2023-12-02 15:58:01,681 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:58:01,681 INFO L495 AbstractCegarLoop]: Abstraction has 143 states and 200 transitions. [2023-12-02 15:58:01,681 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:58:01,681 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 200 transitions. [2023-12-02 15:58:01,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:58:01,683 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:58:01,683 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:01,695 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:58:01,883 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:58:01,883 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:58:01,884 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:58:01,884 INFO L85 PathProgramCache]: Analyzing trace with hash 443329642, now seen corresponding path program 1 times [2023-12-02 15:58:01,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:58:01,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1569427651] [2023-12-02 15:58:01,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:58:01,885 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 15:58:01,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:58:01,886 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:58:01,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (7)] Waiting until timeout for monitored process [2023-12-02 15:58:02,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:58:02,375 INFO L262 TraceCheckSpWp]: Trace formula consists of 248 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 15:58:02,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:58:02,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 15:58:03,673 INFO L349 Elim1Store]: treesize reduction 106, result has 35.0 percent of original size [2023-12-02 15:58:03,673 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 41 treesize of output 92 [2023-12-02 15:58:03,914 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:03,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 41 treesize of output 25 [2023-12-02 15:58:03,975 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 15:58:03,975 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:58:03,976 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:58:03,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1569427651] [2023-12-02 15:58:03,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1569427651] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:58:03,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 15:58:03,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 15:58:03,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [569026976] [2023-12-02 15:58:03,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:58:03,977 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 15:58:03,977 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:58:03,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 15:58:03,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 15:58:03,978 INFO L87 Difference]: Start difference. First operand 143 states and 200 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:58:08,443 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:58:14,645 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:58:14,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 15:58:14,962 INFO L93 Difference]: Finished difference Result 379 states and 522 transitions. [2023-12-02 15:58:14,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-12-02 15:58:14,962 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 15:58:14,963 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 15:58:14,965 INFO L225 Difference]: With dead ends: 379 [2023-12-02 15:58:14,965 INFO L226 Difference]: Without dead ends: 279 [2023-12-02 15:58:14,965 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2023-12-02 15:58:14,966 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 306 mSDsluCounter, 348 mSDsCounter, 0 mSdLazyCounter, 402 mSolverCounterSat, 58 mSolverCounterUnsat, 2 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 10.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 306 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 462 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 402 IncrementalHoareTripleChecker+Invalid, 2 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 10.7s IncrementalHoareTripleChecker+Time [2023-12-02 15:58:14,967 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [306 Valid, 421 Invalid, 462 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 402 Invalid, 2 Unknown, 0 Unchecked, 10.7s Time] [2023-12-02 15:58:14,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2023-12-02 15:58:14,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 158. [2023-12-02 15:58:14,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 133 states have (on average 1.3233082706766917) internal successors, (176), 133 states have internal predecessors, (176), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 15:58:14,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 220 transitions. [2023-12-02 15:58:14,986 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 220 transitions. Word has length 99 [2023-12-02 15:58:14,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 15:58:14,987 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 220 transitions. [2023-12-02 15:58:14,987 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 6 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:58:14,987 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 220 transitions. [2023-12-02 15:58:14,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 15:58:14,988 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 15:58:14,989 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:58:14,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (7)] Ended with exit code 0 [2023-12-02 15:58:15,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:58:15,189 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 15:58:15,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 15:58:15,190 INFO L85 PathProgramCache]: Analyzing trace with hash -577738712, now seen corresponding path program 1 times [2023-12-02 15:58:15,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 15:58:15,190 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [358462665] [2023-12-02 15:58:15,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:58:15,190 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 15:58:15,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 15:58:15,191 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 15:58:15,192 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (8)] Waiting until timeout for monitored process [2023-12-02 15:58:15,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:58:15,667 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 38 conjunts are in the unsatisfiable core [2023-12-02 15:58:15,676 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:58:17,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 15:58:19,457 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 12 [2023-12-02 15:58:20,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2023-12-02 15:58:23,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 34 [2023-12-02 15:58:26,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 50 [2023-12-02 15:58:26,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 66 [2023-12-02 15:58:27,219 INFO L349 Elim1Store]: treesize reduction 84, result has 14.3 percent of original size [2023-12-02 15:58:27,220 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 93 treesize of output 95 [2023-12-02 15:58:27,639 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:27,639 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 109 treesize of output 65 [2023-12-02 15:58:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 96 proven. 72 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2023-12-02 15:58:27,762 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 15:58:40,373 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 15:58:40,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [358462665] [2023-12-02 15:58:40,373 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [358462665] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 15:58:40,373 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [770032348] [2023-12-02 15:58:40,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 15:58:40,374 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 15:58:40,374 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 15:58:40,375 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 15:58:40,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 15:58:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 15:58:43,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 25 conjunts are in the unsatisfiable core [2023-12-02 15:58:43,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 15:58:46,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:55,534 WARN L293 SmtUtils]: Spent 9.25s on a formula simplification. DAG size of input: 102 DAG size of output: 53 (called from [L 346] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.Elim1Store.elim1) [2023-12-02 15:58:55,535 INFO L349 Elim1Store]: treesize reduction 416, result has 27.0 percent of original size [2023-12-02 15:58:55,535 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 222 [2023-12-02 15:58:55,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:55,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:55,706 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:55,707 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 76 [2023-12-02 15:58:55,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:55,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:56,016 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:56,016 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 50 treesize of output 74 [2023-12-02 15:58:56,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:56,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:56,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:57,008 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:57,008 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 4 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 2 case distinctions, treesize of input 50 treesize of output 58 [2023-12-02 15:58:57,127 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 15:58:57,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:57,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:57,711 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:57,711 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 26 [2023-12-02 15:58:57,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:57,813 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:57,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2023-12-02 15:58:57,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,011 INFO L349 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2023-12-02 15:58:58,011 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 28 treesize of output 32 [2023-12-02 15:58:58,196 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,221 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:58,222 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 28 [2023-12-02 15:58:58,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,310 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:58,311 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 33 [2023-12-02 15:58:58,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,514 INFO L349 Elim1Store]: treesize reduction 4, result has 78.9 percent of original size [2023-12-02 15:58:58,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2023-12-02 15:58:58,671 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-12-02 15:58:58,686 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2023-12-02 15:58:58,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,734 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 15:58:58,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2023-12-02 15:58:58,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,803 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2023-12-02 15:58:58,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,886 INFO L349 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2023-12-02 15:58:58,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 26 treesize of output 16 [2023-12-02 15:58:58,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,918 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 12 [2023-12-02 15:58:58,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,957 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2023-12-02 15:58:58,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:58,997 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 15:58:58,997 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 28 treesize of output 16 [2023-12-02 15:58:59,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:59,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-12-02 15:58:59,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:59,387 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-12-02 15:58:59,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:59,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-12-02 15:58:59,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:58:59,600 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 15:58:59,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 31 [2023-12-02 15:59:00,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:59:00,545 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-12-02 15:59:00,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:59:00,581 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 13 [2023-12-02 15:59:00,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:59:00,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-12-02 15:59:01,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:59:01,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 28 treesize of output 16 [2023-12-02 15:59:01,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:59:01,067 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2023-12-02 15:59:01,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-12-02 15:59:01,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 12 [2023-12-02 15:59:01,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-12-02 15:59:01,511 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 9 [2023-12-02 15:59:03,877 INFO L349 Elim1Store]: treesize reduction 50, result has 35.1 percent of original size [2023-12-02 15:59:03,878 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 52 [2023-12-02 15:59:06,431 INFO L349 Elim1Store]: treesize reduction 138, result has 18.3 percent of original size [2023-12-02 15:59:06,432 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 70 treesize of output 91 [2023-12-02 15:59:09,306 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 37 [2023-12-02 15:59:09,317 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 15:59:09,317 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 15:59:09,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [770032348] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 15:59:09,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 15:59:09,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [12] total 16 [2023-12-02 15:59:09,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417350494] [2023-12-02 15:59:09,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 15:59:09,318 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 15:59:09,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 15:59:09,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 15:59:09,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=461, Unknown=8, NotChecked=0, Total=552 [2023-12-02 15:59:09,320 INFO L87 Difference]: Start difference. First operand 158 states and 220 transitions. Second operand has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 15:59:11,341 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:13,361 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:15,375 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:17,381 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:19,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:21,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:23,400 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:25,412 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:27,455 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:29,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:31,481 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:33,492 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:35,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:37,515 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:39,525 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:41,536 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:43,549 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:45,560 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:47,570 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:49,580 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:51,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:53,605 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:55,614 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:57,624 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 15:59:59,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:01,667 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:03,682 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:05,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:07,693 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:09,697 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:11,723 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:13,734 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:15,749 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:17,756 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:19,761 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:21,772 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:23,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:25,835 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:27,840 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:29,845 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:31,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:33,879 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:35,888 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:37,903 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:39,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:41,913 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:43,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:45,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:47,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:49,958 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:51,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:53,977 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:55,988 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:00:58,711 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:00,722 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:09,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:11,750 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:13,754 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:15,770 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:17,777 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:19,783 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:23,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.92s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:25,952 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:27,964 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:29,970 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:32,097 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:34,127 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:36,133 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:38,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:40,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:42,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:44,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:49,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:51,509 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:01:51,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:01:51,513 INFO L93 Difference]: Finished difference Result 344 states and 477 transitions. [2023-12-02 16:01:51,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-12-02 16:01:51,518 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 16:01:51,518 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:01:51,519 INFO L225 Difference]: With dead ends: 344 [2023-12-02 16:01:51,519 INFO L226 Difference]: Without dead ends: 244 [2023-12-02 16:01:51,520 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 231 GetRequests, 201 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 33.4s TimeCoverageRelationStatistics Valid=193, Invalid=787, Unknown=12, NotChecked=0, Total=992 [2023-12-02 16:01:51,521 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 555 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 414 mSolverCounterSat, 15 mSolverCounterUnsat, 74 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 151.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 555 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 503 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 414 IncrementalHoareTripleChecker+Invalid, 74 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 151.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:01:51,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [555 Valid, 401 Invalid, 503 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 414 Invalid, 74 Unknown, 0 Unchecked, 151.9s Time] [2023-12-02 16:01:51,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2023-12-02 16:01:51,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 179. [2023-12-02 16:01:51,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 179 states, 154 states have (on average 1.344155844155844) internal successors, (207), 154 states have internal predecessors, (207), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 16:01:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 179 states and 251 transitions. [2023-12-02 16:01:51,539 INFO L78 Accepts]: Start accepts. Automaton has 179 states and 251 transitions. Word has length 99 [2023-12-02 16:01:51,539 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:01:51,539 INFO L495 AbstractCegarLoop]: Abstraction has 179 states and 251 transitions. [2023-12-02 16:01:51,540 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.222222222222222) internal successors, (47), 8 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:01:51,540 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 251 transitions. [2023-12-02 16:01:51,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 16:01:51,540 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:01:51,541 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:01:51,551 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 16:01:51,749 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (8)] Ended with exit code 0 [2023-12-02 16:01:51,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:01:51,942 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:01:51,942 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:01:51,942 INFO L85 PathProgramCache]: Analyzing trace with hash -1857602390, now seen corresponding path program 1 times [2023-12-02 16:01:51,942 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:01:51,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1409110020] [2023-12-02 16:01:51,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:01:51,943 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 16:01:51,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:01:51,944 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:01:51,944 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (10)] Waiting until timeout for monitored process [2023-12-02 16:01:52,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:01:52,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 36 conjunts are in the unsatisfiable core [2023-12-02 16:01:52,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:01:54,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 16:01:56,161 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2023-12-02 16:01:59,370 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 44 [2023-12-02 16:02:04,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 47 [2023-12-02 16:02:09,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 28 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 63 [2023-12-02 16:02:10,013 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 79 [2023-12-02 16:02:10,226 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:02:10,226 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 81 treesize of output 98 [2023-12-02 16:02:12,560 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:02:12,560 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 89 treesize of output 45 [2023-12-02 16:02:13,750 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 78 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 16:02:13,750 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:02:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:02:14,487 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:02:14,487 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1409110020] [2023-12-02 16:02:14,487 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1409110020] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 16:02:14,487 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:02:14,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [14] total 16 [2023-12-02 16:02:14,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733821267] [2023-12-02 16:02:14,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:02:14,488 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:02:14,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:02:14,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:02:14,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=193, Unknown=6, NotChecked=0, Total=240 [2023-12-02 16:02:14,489 INFO L87 Difference]: Start difference. First operand 179 states and 251 transitions. Second operand has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:02:14,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:02:14,954 INFO L93 Difference]: Finished difference Result 326 states and 456 transitions. [2023-12-02 16:02:14,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:02:14,961 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 16:02:14,961 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:02:14,962 INFO L225 Difference]: With dead ends: 326 [2023-12-02 16:02:14,962 INFO L226 Difference]: Without dead ends: 212 [2023-12-02 16:02:14,963 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 196 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 14.9s TimeCoverageRelationStatistics Valid=41, Invalid=193, Unknown=6, NotChecked=0, Total=240 [2023-12-02 16:02:14,963 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 32 mSDsluCounter, 123 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 251 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-12-02 16:02:14,963 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 251 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-12-02 16:02:14,964 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2023-12-02 16:02:14,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 181. [2023-12-02 16:02:14,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 156 states have internal predecessors, (209), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 16:02:14,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 253 transitions. [2023-12-02 16:02:14,980 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 253 transitions. Word has length 99 [2023-12-02 16:02:14,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:02:14,980 INFO L495 AbstractCegarLoop]: Abstraction has 181 states and 253 transitions. [2023-12-02 16:02:14,980 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.666666666666666) internal successors, (47), 3 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:02:14,980 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 253 transitions. [2023-12-02 16:02:14,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-12-02 16:02:14,981 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:02:14,981 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:14,990 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (10)] Ended with exit code 0 [2023-12-02 16:02:15,182 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:02:15,182 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:02:15,182 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:02:15,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1911790250, now seen corresponding path program 1 times [2023-12-02 16:02:15,183 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:02:15,183 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1043606719] [2023-12-02 16:02:15,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:02:15,183 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 16:02:15,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:02:15,184 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:02:15,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (11)] Waiting until timeout for monitored process [2023-12-02 16:02:15,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:02:15,655 INFO L262 TraceCheckSpWp]: Trace formula consists of 247 conjuncts, 28 conjunts are in the unsatisfiable core [2023-12-02 16:02:15,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:02:17,015 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 16:02:18,149 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2023-12-02 16:02:18,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 30 [2023-12-02 16:02:21,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 36 [2023-12-02 16:02:24,214 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 49 [2023-12-02 16:02:24,448 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:02:24,449 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 3 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 22475 treesize of output 20317 [2023-12-02 16:02:35,772 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 78 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 16:02:35,772 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:02:37,342 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:02:37,342 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:02:37,342 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1043606719] [2023-12-02 16:02:37,342 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1043606719] provided 1 perfect and 1 imperfect interpolant sequences [2023-12-02 16:02:37,343 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:02:37,343 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [10] total 13 [2023-12-02 16:02:37,343 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350880824] [2023-12-02 16:02:37,343 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:02:37,343 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:02:37,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:02:37,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:02:37,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=120, Unknown=2, NotChecked=0, Total=156 [2023-12-02 16:02:37,345 INFO L87 Difference]: Start difference. First operand 181 states and 253 transitions. Second operand has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:02:38,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:02:38,153 INFO L93 Difference]: Finished difference Result 304 states and 425 transitions. [2023-12-02 16:02:38,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-12-02 16:02:38,154 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 99 [2023-12-02 16:02:38,154 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:02:38,156 INFO L225 Difference]: With dead ends: 304 [2023-12-02 16:02:38,156 INFO L226 Difference]: Without dead ends: 181 [2023-12-02 16:02:38,156 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 197 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 12.4s TimeCoverageRelationStatistics Valid=39, Invalid=141, Unknown=2, NotChecked=0, Total=182 [2023-12-02 16:02:38,157 INFO L413 NwaCegarLoop]: 127 mSDtfsCounter, 26 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:02:38,157 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 351 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:02:38,158 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2023-12-02 16:02:38,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 180. [2023-12-02 16:02:38,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 155 states have (on average 1.3290322580645162) internal successors, (206), 155 states have internal predecessors, (206), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 16:02:38,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 250 transitions. [2023-12-02 16:02:38,176 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 250 transitions. Word has length 99 [2023-12-02 16:02:38,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:02:38,176 INFO L495 AbstractCegarLoop]: Abstraction has 180 states and 250 transitions. [2023-12-02 16:02:38,176 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.75) internal successors, (47), 4 states have internal predecessors, (47), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:02:38,176 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 250 transitions. [2023-12-02 16:02:38,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-12-02 16:02:38,177 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:02:38,177 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:02:38,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (11)] Ended with exit code 0 [2023-12-02 16:02:38,377 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:02:38,378 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:02:38,378 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:02:38,378 INFO L85 PathProgramCache]: Analyzing trace with hash 1314253526, now seen corresponding path program 1 times [2023-12-02 16:02:38,378 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:02:38,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1320190637] [2023-12-02 16:02:38,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:02:38,379 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 16:02:38,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:02:38,380 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:02:38,380 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (12)] Waiting until timeout for monitored process [2023-12-02 16:02:38,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:02:38,887 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 16:02:38,894 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:02:39,137 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 16:02:41,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 16:02:44,143 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 14 [2023-12-02 16:02:45,167 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 22 [2023-12-02 16:02:48,556 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 33 [2023-12-02 16:02:50,131 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 85 treesize of output 65 [2023-12-02 16:02:50,145 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 54 [2023-12-02 16:02:50,207 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 36 [2023-12-02 16:02:53,945 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 16:02:53,950 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 41 [2023-12-02 16:02:53,967 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 28 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 82 [2023-12-02 16:02:54,476 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 93 treesize of output 88 [2023-12-02 16:02:55,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:02:55,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 97 treesize of output 57 [2023-12-02 16:02:55,593 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 72 proven. 78 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2023-12-02 16:02:55,593 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:03:19,714 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:03:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1320190637] [2023-12-02 16:03:19,714 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1320190637] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:03:19,714 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [675624227] [2023-12-02 16:03:19,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:03:19,714 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:03:19,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:03:19,716 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:03:19,717 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2023-12-02 16:03:20,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:03:20,502 INFO L262 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-02 16:03:20,505 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:03:21,418 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 16:03:22,930 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2023-12-02 16:03:23,645 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:03:23,645 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:03:23,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [675624227] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:03:23,645 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:03:23,645 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [16] total 20 [2023-12-02 16:03:23,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [65104878] [2023-12-02 16:03:23,645 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:03:23,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-12-02 16:03:23,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:03:23,646 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-12-02 16:03:23,646 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=689, Unknown=6, NotChecked=0, Total=812 [2023-12-02 16:03:23,647 INFO L87 Difference]: Start difference. First operand 180 states and 250 transitions. Second operand has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:03:27,249 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:03:29,253 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:03:34,004 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:03:36,008 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-12-02 16:03:36,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:03:36,154 INFO L93 Difference]: Finished difference Result 418 states and 577 transitions. [2023-12-02 16:03:36,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-12-02 16:03:36,155 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 100 [2023-12-02 16:03:36,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:03:36,157 INFO L225 Difference]: With dead ends: 418 [2023-12-02 16:03:36,157 INFO L226 Difference]: Without dead ends: 303 [2023-12-02 16:03:36,158 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 199 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 193 ImplicationChecksByTransitivity, 32.5s TimeCoverageRelationStatistics Valid=127, Invalid=797, Unknown=6, NotChecked=0, Total=930 [2023-12-02 16:03:36,158 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 175 mSDsluCounter, 321 mSDsCounter, 0 mSdLazyCounter, 280 mSolverCounterSat, 29 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 313 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 280 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:03:36,158 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 420 Invalid, 313 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 280 Invalid, 4 Unknown, 0 Unchecked, 11.6s Time] [2023-12-02 16:03:36,159 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2023-12-02 16:03:36,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 198. [2023-12-02 16:03:36,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 173 states have (on average 1.3583815028901733) internal successors, (235), 173 states have internal predecessors, (235), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 16:03:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 279 transitions. [2023-12-02 16:03:36,176 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 279 transitions. Word has length 100 [2023-12-02 16:03:36,177 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:03:36,177 INFO L495 AbstractCegarLoop]: Abstraction has 198 states and 279 transitions. [2023-12-02 16:03:36,177 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.0) internal successors, (48), 5 states have internal predecessors, (48), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:03:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 279 transitions. [2023-12-02 16:03:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 16:03:36,178 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:03:36,178 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:36,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (12)] Ended with exit code 0 [2023-12-02 16:03:36,384 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2023-12-02 16:03:36,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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=3,13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:03:36,579 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:03:36,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:03:36,579 INFO L85 PathProgramCache]: Analyzing trace with hash 1063626725, now seen corresponding path program 1 times [2023-12-02 16:03:36,579 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:03:36,579 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1107726070] [2023-12-02 16:03:36,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:03:36,580 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 16:03:36,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:03:36,580 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:03:36,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (14)] Waiting until timeout for monitored process [2023-12-02 16:03:36,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:03:36,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:03:36,866 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:03:36,874 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 16:03:36,907 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:03:36,908 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:03:36,908 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:03:36,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1107726070] [2023-12-02 16:03:36,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1107726070] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:03:36,908 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:03:36,908 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-12-02 16:03:36,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131338901] [2023-12-02 16:03:36,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:03:36,909 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-12-02 16:03:36,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:03:36,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-12-02 16:03:36,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:03:36,910 INFO L87 Difference]: Start difference. First operand 198 states and 279 transitions. Second operand has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:03:37,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:03:37,099 INFO L93 Difference]: Finished difference Result 314 states and 441 transitions. [2023-12-02 16:03:37,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-12-02 16:03:37,100 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-12-02 16:03:37,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:03:37,102 INFO L225 Difference]: With dead ends: 314 [2023-12-02 16:03:37,102 INFO L226 Difference]: Without dead ends: 194 [2023-12-02 16:03:37,102 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-12-02 16:03:37,103 INFO L413 NwaCegarLoop]: 123 mSDtfsCounter, 0 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:03:37,103 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 244 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:03:37,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states. [2023-12-02 16:03:37,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 194. [2023-12-02 16:03:37,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 169 states have (on average 1.319526627218935) internal successors, (223), 169 states have internal predecessors, (223), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 16:03:37,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 267 transitions. [2023-12-02 16:03:37,129 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 267 transitions. Word has length 101 [2023-12-02 16:03:37,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:03:37,129 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 267 transitions. [2023-12-02 16:03:37,130 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 16.333333333333332) internal successors, (49), 3 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:03:37,130 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 267 transitions. [2023-12-02 16:03:37,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 16:03:37,131 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:03:37,131 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:03:37,142 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (14)] Ended with exit code 0 [2023-12-02 16:03:37,332 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:03:37,332 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:03:37,332 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:03:37,332 INFO L85 PathProgramCache]: Analyzing trace with hash -2139345627, now seen corresponding path program 1 times [2023-12-02 16:03:37,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:03:37,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1686492828] [2023-12-02 16:03:37,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:03:37,333 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 16:03:37,333 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:03:37,334 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:03:37,335 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (15)] Waiting until timeout for monitored process [2023-12-02 16:03:37,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:03:37,744 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 16:03:37,751 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:03:37,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 16:03:40,023 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-12-02 16:03:41,534 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-12-02 16:03:44,128 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 31 [2023-12-02 16:03:47,701 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 50 [2023-12-02 16:03:53,486 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 56 [2023-12-02 16:03:59,473 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 36 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 68 treesize of output 80 [2023-12-02 16:04:00,334 INFO L349 Elim1Store]: treesize reduction 116, result has 11.5 percent of original size [2023-12-02 16:04:00,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 91 treesize of output 118 [2023-12-02 16:04:00,806 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:04:00,806 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 55 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 102 treesize of output 114 [2023-12-02 16:04:03,385 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 93 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 16:04:03,386 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:04:14,404 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:04:14,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1686492828] [2023-12-02 16:04:14,404 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1686492828] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:04:14,404 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [647742605] [2023-12-02 16:04:14,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:14,404 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:04:14,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:04:14,405 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:04:14,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2023-12-02 16:04:15,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:16,062 INFO L262 TraceCheckSpWp]: Trace formula consists of 249 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-02 16:04:16,066 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:04:19,422 INFO L349 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2023-12-02 16:04:19,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 37 [2023-12-02 16:04:19,749 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2023-12-02 16:04:20,303 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:04:20,303 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:04:20,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [647742605] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:04:20,304 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:04:20,304 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 21 [2023-12-02 16:04:20,304 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999633781] [2023-12-02 16:04:20,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:04:20,305 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 16:04:20,305 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:04:20,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 16:04:20,306 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=584, Unknown=9, NotChecked=0, Total=702 [2023-12-02 16:04:20,306 INFO L87 Difference]: Start difference. First operand 194 states and 267 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:04:25,385 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:04:26,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:04:26,219 INFO L93 Difference]: Finished difference Result 367 states and 502 transitions. [2023-12-02 16:04:26,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 16:04:26,224 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 101 [2023-12-02 16:04:26,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:04:26,226 INFO L225 Difference]: With dead ends: 367 [2023-12-02 16:04:26,226 INFO L226 Difference]: Without dead ends: 254 [2023-12-02 16:04:26,227 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 232 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 225 ImplicationChecksByTransitivity, 25.9s TimeCoverageRelationStatistics Valid=139, Invalid=722, Unknown=9, NotChecked=0, Total=870 [2023-12-02 16:04:26,228 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 378 mSDsluCounter, 220 mSDsCounter, 0 mSdLazyCounter, 317 mSolverCounterSat, 13 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 378 SdHoareTripleChecker+Valid, 310 SdHoareTripleChecker+Invalid, 331 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 317 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.6s IncrementalHoareTripleChecker+Time [2023-12-02 16:04:26,228 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [378 Valid, 310 Invalid, 331 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 317 Invalid, 1 Unknown, 0 Unchecked, 5.6s Time] [2023-12-02 16:04:26,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2023-12-02 16:04:26,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 194. [2023-12-02 16:04:26,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 194 states, 169 states have (on average 1.301775147928994) internal successors, (220), 169 states have internal predecessors, (220), 22 states have call successors, (22), 2 states have call predecessors, (22), 2 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2023-12-02 16:04:26,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 264 transitions. [2023-12-02 16:04:26,254 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 264 transitions. Word has length 101 [2023-12-02 16:04:26,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:04:26,255 INFO L495 AbstractCegarLoop]: Abstraction has 194 states and 264 transitions. [2023-12-02 16:04:26,255 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 7 states have internal predecessors, (49), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:04:26,255 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 264 transitions. [2023-12-02 16:04:26,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 16:04:26,256 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:04:26,256 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:04:26,268 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2023-12-02 16:04:26,464 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (15)] Ended with exit code 0 [2023-12-02 16:04:26,657 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:04:26,657 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:04:26,658 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:04:26,658 INFO L85 PathProgramCache]: Analyzing trace with hash -588999491, now seen corresponding path program 1 times [2023-12-02 16:04:26,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:04:26,658 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [34358510] [2023-12-02 16:04:26,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:26,658 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 16:04:26,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:04:26,659 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:04:26,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (17)] Waiting until timeout for monitored process [2023-12-02 16:04:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:27,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 43 conjunts are in the unsatisfiable core [2023-12-02 16:04:27,325 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:04:32,948 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 16:04:35,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 55 [2023-12-02 16:04:36,929 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 104 treesize of output 55 [2023-12-02 16:04:38,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 122 treesize of output 63 [2023-12-02 16:04:39,173 INFO L349 Elim1Store]: treesize reduction 56, result has 21.1 percent of original size [2023-12-02 16:04:39,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 115 treesize of output 91 [2023-12-02 16:04:39,485 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 168 treesize of output 116 [2023-12-02 16:04:40,664 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:04:40,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 328 treesize of output 144 [2023-12-02 16:04:40,993 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2023-12-02 16:04:40,993 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:04:53,496 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:04:53,496 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [34358510] [2023-12-02 16:04:53,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [34358510] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:04:53,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [1221574220] [2023-12-02 16:04:53,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:04:53,497 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:04:53,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:04:53,498 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:04:53,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2023-12-02 16:04:56,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:04:56,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 48 conjunts are in the unsatisfiable core [2023-12-02 16:04:56,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:05:02,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2023-12-02 16:05:05,998 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 124 treesize of output 71 [2023-12-02 16:05:10,239 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 128 treesize of output 74 [2023-12-02 16:05:14,502 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 21 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 58 [2023-12-02 16:05:15,329 INFO L349 Elim1Store]: treesize reduction 92, result has 14.0 percent of original size [2023-12-02 16:05:15,330 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 67 treesize of output 92 [2023-12-02 16:05:16,006 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 36 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 117 [2023-12-02 16:05:18,177 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 271 treesize of output 127 [2023-12-02 16:05:18,221 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 4 proven. 128 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-12-02 16:05:18,222 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:05:27,200 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [1221574220] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:05:27,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830026664] [2023-12-02 16:05:27,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:05:27,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-12-02 16:05:27,201 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 [2023-12-02 16:05:27,201 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-12-02 16:05:27,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2023-12-02 16:05:28,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:05:28,339 INFO L262 TraceCheckSpWp]: Trace formula consists of 255 conjuncts, 46 conjunts are in the unsatisfiable core [2023-12-02 16:05:28,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:05:34,354 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2023-12-02 16:05:46,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 119 treesize of output 59 [2023-12-02 16:05:50,093 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 112 treesize of output 59 [2023-12-02 16:05:55,980 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 15 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 106 treesize of output 89 [2023-12-02 16:05:58,832 INFO L349 Elim1Store]: treesize reduction 80, result has 15.8 percent of original size [2023-12-02 16:05:58,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 121 treesize of output 123 [2023-12-02 16:06:03,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 174 treesize of output 148 [2023-12-02 16:06:07,724 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:06:07,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 325 treesize of output 165 [2023-12-02 16:06:07,770 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 146 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2023-12-02 16:06:07,770 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:06:16,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830026664] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:06:16,624 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-12-02 16:06:16,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 14, 15] total 33 [2023-12-02 16:06:16,625 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [640370301] [2023-12-02 16:06:16,625 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-12-02 16:06:16,626 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 34 states [2023-12-02 16:06:16,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:06:16,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2023-12-02 16:06:16,628 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=200, Invalid=1341, Unknown=19, NotChecked=0, Total=1560 [2023-12-02 16:06:16,628 INFO L87 Difference]: Start difference. First operand 194 states and 264 transitions. Second operand has 34 states, 34 states have (on average 4.0) internal successors, (136), 33 states have internal predecessors, (136), 9 states have call successors, (26), 9 states have call predecessors, (26), 10 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2023-12-02 16:06:22,414 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:24,422 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:31,074 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:33,079 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:39,635 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:41,643 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:48,088 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:50,094 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:52,131 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:54,135 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:56,190 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:06:58,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.09s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, RoundingMode, FloatingPoint, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:07:52,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:07:52,370 INFO L93 Difference]: Finished difference Result 637 states and 848 transitions. [2023-12-02 16:07:52,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2023-12-02 16:07:52,377 INFO L78 Accepts]: Start accepts. Automaton has has 34 states, 34 states have (on average 4.0) internal successors, (136), 33 states have internal predecessors, (136), 9 states have call successors, (26), 9 states have call predecessors, (26), 10 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 101 [2023-12-02 16:07:52,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:07:52,380 INFO L225 Difference]: With dead ends: 637 [2023-12-02 16:07:52,380 INFO L226 Difference]: Without dead ends: 524 [2023-12-02 16:07:52,382 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 345 SyntacticMatches, 4 SemanticMatches, 71 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1375 ImplicationChecksByTransitivity, 100.4s TimeCoverageRelationStatistics Valid=966, Invalid=4260, Unknown=30, NotChecked=0, Total=5256 [2023-12-02 16:07:52,383 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 981 mSDsluCounter, 1128 mSDsCounter, 0 mSdLazyCounter, 2709 mSolverCounterSat, 173 mSolverCounterUnsat, 18 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 57.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 985 SdHoareTripleChecker+Valid, 1232 SdHoareTripleChecker+Invalid, 2900 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 173 IncrementalHoareTripleChecker+Valid, 2709 IncrementalHoareTripleChecker+Invalid, 18 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 59.0s IncrementalHoareTripleChecker+Time [2023-12-02 16:07:52,383 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [985 Valid, 1232 Invalid, 2900 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [173 Valid, 2709 Invalid, 18 Unknown, 0 Unchecked, 59.0s Time] [2023-12-02 16:07:52,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2023-12-02 16:07:52,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 392. [2023-12-02 16:07:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 347 states have (on average 1.2939481268011528) internal successors, (449), 348 states have internal predecessors, (449), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:07:52,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 523 transitions. [2023-12-02 16:07:52,458 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 523 transitions. Word has length 101 [2023-12-02 16:07:52,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:07:52,458 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 523 transitions. [2023-12-02 16:07:52,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 34 states, 34 states have (on average 4.0) internal successors, (136), 33 states have internal predecessors, (136), 9 states have call successors, (26), 9 states have call predecessors, (26), 10 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2023-12-02 16:07:52,459 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 523 transitions. [2023-12-02 16:07:52,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-12-02 16:07:52,460 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:52,460 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:52,473 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2023-12-02 16:07:52,669 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (17)] Ended with exit code 0 [2023-12-02 16:07:52,872 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2023-12-02 16:07:53,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/z3 -smt2 -in SMTLIB2_COMPLIANT=true,17 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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=3,18 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt [2023-12-02 16:07:53,062 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:53,062 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:53,062 INFO L85 PathProgramCache]: Analyzing trace with hash 671917759, now seen corresponding path program 1 times [2023-12-02 16:07:53,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:07:53,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [812972874] [2023-12-02 16:07:53,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:53,063 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 16:07:53,063 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:07:53,063 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:07:53,064 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (20)] Waiting until timeout for monitored process [2023-12-02 16:07:53,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:53,316 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 16:07:53,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:53,344 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2023-12-02 16:07:53,345 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:07:53,345 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:07:53,345 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [812972874] [2023-12-02 16:07:53,345 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [812972874] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:07:53,345 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:07:53,345 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-12-02 16:07:53,345 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507012235] [2023-12-02 16:07:53,345 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:07:53,346 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-12-02 16:07:53,346 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:07:53,347 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-12-02 16:07:53,347 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-12-02 16:07:53,347 INFO L87 Difference]: Start difference. First operand 392 states and 523 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 16:07:53,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:07:53,609 INFO L93 Difference]: Finished difference Result 705 states and 942 transitions. [2023-12-02 16:07:53,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-12-02 16:07:53,610 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 101 [2023-12-02 16:07:53,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:07:53,613 INFO L225 Difference]: With dead ends: 705 [2023-12-02 16:07:53,614 INFO L226 Difference]: Without dead ends: 400 [2023-12-02 16:07:53,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-12-02 16:07:53,615 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 7 mSDsluCounter, 239 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-12-02 16:07:53,615 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 369 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-12-02 16:07:53,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 400 states. [2023-12-02 16:07:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 400 to 392. [2023-12-02 16:07:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 392 states, 347 states have (on average 1.2881844380403458) internal successors, (447), 348 states have internal predecessors, (447), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:07:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 392 states and 521 transitions. [2023-12-02 16:07:53,670 INFO L78 Accepts]: Start accepts. Automaton has 392 states and 521 transitions. Word has length 101 [2023-12-02 16:07:53,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:07:53,670 INFO L495 AbstractCegarLoop]: Abstraction has 392 states and 521 transitions. [2023-12-02 16:07:53,670 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, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-12-02 16:07:53,670 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 521 transitions. [2023-12-02 16:07:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 16:07:53,671 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:07:53,671 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:07:53,679 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (20)] Forceful destruction successful, exit code 0 [2023-12-02 16:07:53,872 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:07:53,872 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:07:53,872 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:07:53,872 INFO L85 PathProgramCache]: Analyzing trace with hash 36268477, now seen corresponding path program 1 times [2023-12-02 16:07:53,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:07:53,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1030320386] [2023-12-02 16:07:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:07:53,873 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 16:07:53,873 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:07:53,874 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:07:53,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (21)] Waiting until timeout for monitored process [2023-12-02 16:07:54,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:07:54,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 42 conjunts are in the unsatisfiable core [2023-12-02 16:07:54,329 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:07:54,629 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 16:07:56,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2023-12-02 16:07:58,613 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 25 [2023-12-02 16:08:01,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 36 [2023-12-02 16:08:04,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 42 [2023-12-02 16:08:10,734 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 45 [2023-12-02 16:08:16,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 28 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 61 [2023-12-02 16:08:17,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 72 [2023-12-02 16:08:18,061 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:08:18,062 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 28 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 74 treesize of output 88 [2023-12-02 16:08:22,520 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:08:22,521 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 82 treesize of output 42 [2023-12-02 16:08:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 106 proven. 93 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2023-12-02 16:08:22,648 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-12-02 16:08:29,943 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:08:29,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1030320386] [2023-12-02 16:08:29,943 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1030320386] provided 0 perfect and 1 imperfect interpolant sequences [2023-12-02 16:08:29,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleCvc4 [166288300] [2023-12-02 16:08:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:08:29,943 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 16:08:29,943 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 [2023-12-02 16:08:29,944 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 16:08:29,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2023-12-02 16:08:31,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:08:31,319 INFO L262 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 21 conjunts are in the unsatisfiable core [2023-12-02 16:08:31,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:08:35,029 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 20 [2023-12-02 16:08:35,045 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-12-02 16:08:35,054 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 25 [2023-12-02 16:08:35,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 1 [2023-12-02 16:08:35,740 INFO L349 Elim1Store]: treesize reduction 25, result has 30.6 percent of original size [2023-12-02 16:08:35,740 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 28 [2023-12-02 16:08:35,989 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 29 [2023-12-02 16:08:40,419 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-12-02 16:08:41,743 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:08:41,743 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:08:41,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleCvc4 [166288300] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:08:41,743 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-12-02 16:08:41,743 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [16] total 22 [2023-12-02 16:08:41,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229092800] [2023-12-02 16:08:41,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:08:41,744 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-12-02 16:08:41,744 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:08:41,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-12-02 16:08:41,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=633, Unknown=9, NotChecked=0, Total=756 [2023-12-02 16:08:41,745 INFO L87 Difference]: Start difference. First operand 392 states and 521 transitions. Second operand has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:08:45,062 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:08:49,219 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:08:51,279 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:08:53,293 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:08:55,329 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:08:57,344 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:08:59,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:01,388 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:03,440 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:05,456 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:13,642 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:15,652 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:21,883 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:23,897 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:26,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:28,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:30,383 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:32,394 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:34,404 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:36,415 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2023-12-02 16:09:38,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:09:38,432 INFO L93 Difference]: Finished difference Result 693 states and 921 transitions. [2023-12-02 16:09:38,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 16:09:38,438 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2023-12-02 16:09:38,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:09:38,440 INFO L225 Difference]: With dead ends: 693 [2023-12-02 16:09:38,441 INFO L226 Difference]: Without dead ends: 444 [2023-12-02 16:09:38,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 204 SyntacticMatches, 2 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 293 ImplicationChecksByTransitivity, 42.3s TimeCoverageRelationStatistics Valid=168, Invalid=873, Unknown=15, NotChecked=0, Total=1056 [2023-12-02 16:09:38,442 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 274 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 8 mSolverCounterUnsat, 22 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 43.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 274 SdHoareTripleChecker+Valid, 331 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 22 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 43.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:09:38,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [274 Valid, 331 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 371 Invalid, 22 Unknown, 0 Unchecked, 43.9s Time] [2023-12-02 16:09:38,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2023-12-02 16:09:38,514 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 342. [2023-12-02 16:09:38,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 342 states, 297 states have (on average 1.2693602693602695) internal successors, (377), 298 states have internal predecessors, (377), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:09:38,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 342 states and 451 transitions. [2023-12-02 16:09:38,517 INFO L78 Accepts]: Start accepts. Automaton has 342 states and 451 transitions. Word has length 102 [2023-12-02 16:09:38,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:09:38,518 INFO L495 AbstractCegarLoop]: Abstraction has 342 states and 451 transitions. [2023-12-02 16:09:38,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.25) internal successors, (50), 7 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:09:38,518 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2023-12-02 16:09:38,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 16:09:38,519 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:09:38,520 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:38,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2023-12-02 16:09:38,729 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (21)] Ended with exit code 0 [2023-12-02 16:09:38,920 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/cvc4 --incremental --print-success --lang smt,21 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:09:38,921 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:09:38,921 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:09:38,921 INFO L85 PathProgramCache]: Analyzing trace with hash -1862244375, now seen corresponding path program 1 times [2023-12-02 16:09:38,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:09:38,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [965365476] [2023-12-02 16:09:38,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:38,922 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-12-02 16:09:38,922 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:09:38,922 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:09:38,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (23)] Waiting until timeout for monitored process [2023-12-02 16:09:39,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:09:39,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 16:09:39,283 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:09:39,305 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 16:09:39,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2023-12-02 16:09:39,845 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:09:39,845 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:09:39,845 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:09:39,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [965365476] [2023-12-02 16:09:39,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [965365476] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:09:39,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:09:39,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-12-02 16:09:39,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864833902] [2023-12-02 16:09:39,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:09:39,846 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-12-02 16:09:39,846 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:09:39,846 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-12-02 16:09:39,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2023-12-02 16:09:39,847 INFO L87 Difference]: Start difference. First operand 342 states and 451 transitions. Second operand has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:09:43,956 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:09:43,956 INFO L93 Difference]: Finished difference Result 813 states and 1067 transitions. [2023-12-02 16:09:43,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-12-02 16:09:43,957 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2023-12-02 16:09:43,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:09:43,960 INFO L225 Difference]: With dead ends: 813 [2023-12-02 16:09:43,960 INFO L226 Difference]: Without dead ends: 574 [2023-12-02 16:09:43,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-12-02 16:09:43,961 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 218 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 366 mSolverCounterSat, 29 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 218 SdHoareTripleChecker+Valid, 482 SdHoareTripleChecker+Invalid, 396 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 366 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2023-12-02 16:09:43,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [218 Valid, 482 Invalid, 396 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 366 Invalid, 1 Unknown, 0 Unchecked, 3.9s Time] [2023-12-02 16:09:43,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 574 states. [2023-12-02 16:09:44,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 574 to 352. [2023-12-02 16:09:44,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 307 states have (on average 1.260586319218241) internal successors, (387), 308 states have internal predecessors, (387), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:09:44,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 461 transitions. [2023-12-02 16:09:44,017 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 461 transitions. Word has length 102 [2023-12-02 16:09:44,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:09:44,018 INFO L495 AbstractCegarLoop]: Abstraction has 352 states and 461 transitions. [2023-12-02 16:09:44,018 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.142857142857143) internal successors, (50), 6 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:09:44,018 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 461 transitions. [2023-12-02 16:09:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 16:09:44,019 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:09:44,019 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:44,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (23)] Ended with exit code 0 [2023-12-02 16:09:44,219 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:09:44,220 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:09:44,220 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:09:44,220 INFO L85 PathProgramCache]: Analyzing trace with hash 438578215, now seen corresponding path program 1 times [2023-12-02 16:09:44,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:09:44,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [470532836] [2023-12-02 16:09:44,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:44,221 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 16:09:44,221 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:09:44,222 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:09:44,223 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (24)] Waiting until timeout for monitored process [2023-12-02 16:09:44,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:09:44,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 16:09:44,864 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:09:45,004 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 9 [2023-12-02 16:09:48,254 INFO L349 Elim1Store]: treesize reduction 32, result has 31.9 percent of original size [2023-12-02 16:09:48,255 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 33 treesize of output 43 [2023-12-02 16:09:48,512 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:09:48,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 6 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2023-12-02 16:09:48,768 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:09:48,768 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 21 [2023-12-02 16:09:48,843 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-12-02 16:09:48,844 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-12-02 16:09:48,844 INFO L136 FreeRefinementEngine]: Strategy WALRUS found an infeasible trace [2023-12-02 16:09:48,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [470532836] [2023-12-02 16:09:48,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [470532836] provided 1 perfect and 0 imperfect interpolant sequences [2023-12-02 16:09:48,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-12-02 16:09:48,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-12-02 16:09:48,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1651353603] [2023-12-02 16:09:48,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-12-02 16:09:48,844 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2023-12-02 16:09:48,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WALRUS [2023-12-02 16:09:48,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2023-12-02 16:09:48,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2023-12-02 16:09:48,845 INFO L87 Difference]: Start difference. First operand 352 states and 461 transitions. Second operand has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:09:55,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-12-02 16:09:55,766 INFO L93 Difference]: Finished difference Result 837 states and 1093 transitions. [2023-12-02 16:09:55,767 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-12-02 16:09:55,767 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) Word has length 102 [2023-12-02 16:09:55,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-12-02 16:09:55,770 INFO L225 Difference]: With dead ends: 837 [2023-12-02 16:09:55,770 INFO L226 Difference]: Without dead ends: 598 [2023-12-02 16:09:55,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=46, Invalid=136, Unknown=0, NotChecked=0, Total=182 [2023-12-02 16:09:55,771 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 304 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 569 mSolverCounterSat, 36 mSolverCounterUnsat, 5 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 304 SdHoareTripleChecker+Valid, 515 SdHoareTripleChecker+Invalid, 610 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 569 IncrementalHoareTripleChecker+Invalid, 5 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 6.3s IncrementalHoareTripleChecker+Time [2023-12-02 16:09:55,771 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [304 Valid, 515 Invalid, 610 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 569 Invalid, 5 Unknown, 0 Unchecked, 6.3s Time] [2023-12-02 16:09:55,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 598 states. [2023-12-02 16:09:55,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 598 to 368. [2023-12-02 16:09:55,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 323 states have (on average 1.2600619195046439) internal successors, (407), 324 states have internal predecessors, (407), 37 states have call successors, (37), 7 states have call predecessors, (37), 7 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2023-12-02 16:09:55,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 481 transitions. [2023-12-02 16:09:55,827 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 481 transitions. Word has length 102 [2023-12-02 16:09:55,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-12-02 16:09:55,827 INFO L495 AbstractCegarLoop]: Abstraction has 368 states and 481 transitions. [2023-12-02 16:09:55,827 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.555555555555555) internal successors, (50), 8 states have internal predecessors, (50), 1 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 1 states have call successors, (11) [2023-12-02 16:09:55,827 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 481 transitions. [2023-12-02 16:09:55,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-12-02 16:09:55,828 INFO L187 NwaCegarLoop]: Found error trace [2023-12-02 16:09:55,828 INFO L195 NwaCegarLoop]: trace histogram [11, 11, 11, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:09:55,837 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (24)] Ended with exit code 0 [2023-12-02 16:09:56,028 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:09:56,028 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-12-02 16:09:56,029 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 16:09:56,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1933161047, now seen corresponding path program 1 times [2023-12-02 16:09:56,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy WALRUS [2023-12-02 16:09:56,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [967084780] [2023-12-02 16:09:56,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-12-02 16:09:56,029 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 16:09:56,029 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/bin/utaipan-verify-nQ1chXbOIh/mathsat [2023-12-02 16:09:56,030 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 16:09:56,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3afab386-85bc-4af7-8c4c-9e72794f517a/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 (25)] Waiting until timeout for monitored process [2023-12-02 16:09:56,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 16:09:56,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 257 conjuncts, 41 conjunts are in the unsatisfiable core [2023-12-02 16:09:56,651 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 16:09:58,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 16:09:59,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 8 [2023-12-02 16:10:01,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 28 [2023-12-02 16:10:05,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 10 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 50 [2023-12-02 16:10:10,692 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 64 [2023-12-02 16:10:12,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 3 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 111 treesize of output 85 [2023-12-02 16:10:12,724 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 95 treesize of output 107 [2023-12-02 16:10:13,562 INFO L173 IndexEqualityManager]: detected equality via solver [2023-12-02 16:10:13,824 INFO L349 Elim1Store]: treesize reduction 18, result has 50.0 percent of original size [2023-12-02 16:10:13,825 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 49 [2023-12-02 16:10:13,940 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 45 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 70 [2023-12-02 16:10:13,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 101 [2023-12-02 16:10:14,217 INFO L349 Elim1Store]: treesize reduction 80, result has 12.1 percent of original size [2023-12-02 16:10:14,217 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 36 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 110 [2023-12-02 16:10:25,906 INFO L349 Elim1Store]: treesize reduction 44, result has 44.3 percent of original size [2023-12-02 16:10:25,907 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 3 new quantified variables, introduced 9 case distinctions, treesize of input 281 treesize of output 246 [2023-12-02 16:10:29,100 INFO L349 Elim1Store]: treesize reduction 118, result has 10.6 percent of original size [2023-12-02 16:10:29,101 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 78 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 12 case distinctions, treesize of input 89 treesize of output 157 [2023-12-02 16:10:30,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 78 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 143 [2023-12-02 16:10:30,703 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 78 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 147 [2023-12-02 16:10:51,679 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 16:10:51,680 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 973 treesize of output 959 [2023-12-02 16:11:11,105 INFO L349 Elim1Store]: treesize reduction 125, result has 10.7 percent of original size [2023-12-02 16:11:11,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 78 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 11 case distinctions, treesize of input 88 treesize of output 132