./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:06,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:06,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 12:00:06,988 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:06,989 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:07,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:07,016 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:07,016 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:07,017 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:07,018 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:07,019 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:07,020 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:07,021 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:07,021 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:07,022 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:07,023 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:07,024 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:07,024 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:07,025 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 12:00:07,026 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:07,026 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:07,027 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:07,028 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:07,029 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:07,029 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:07,030 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:07,031 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:07,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:07,032 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:07,033 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:07,034 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:07,034 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:07,035 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:07,036 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:07,037 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:07,037 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 12:00:07,038 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 12:00:07,038 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:07,039 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:07,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:07,040 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:07,041 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:07,041 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 [2023-11-26 12:00:07,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:07,387 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:07,390 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:07,391 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:07,392 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:07,393 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i [2023-11-26 12:00:10,629 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:10,930 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:10,935 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i [2023-11-26 12:00:10,947 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data/e65837412/d0be0ee404ec48358615ee365f376413/FLAG3440aa38f [2023-11-26 12:00:10,963 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data/e65837412/d0be0ee404ec48358615ee365f376413 [2023-11-26 12:00:10,969 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:10,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:10,974 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:10,974 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:10,979 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:10,982 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:10" (1/1) ... [2023-11-26 12:00:10,983 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3553ea3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:10, skipping insertion in model container [2023-11-26 12:00:10,983 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:10" (1/1) ... [2023-11-26 12:00:11,021 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:11,236 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_5941642a-0283-4804-9fa2-39c1289734b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2023-11-26 12:00:11,321 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:11,332 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:11,347 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_5941642a-0283-4804-9fa2-39c1289734b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2023-11-26 12:00:11,382 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:11,405 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:11,406 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11 WrapperNode [2023-11-26 12:00:11,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:11,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:11,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:11,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:11,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,432 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,481 INFO L138 Inliner]: procedures = 29, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 356 [2023-11-26 12:00:11,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:11,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:11,485 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:11,496 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:11,509 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,520 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,547 INFO L175 MemorySlicer]: Split 103 memory accesses to 2 slices as follows [2, 101]. 98 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 15 writes are split as follows [0, 15]. [2023-11-26 12:00:11,556 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,557 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,587 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,592 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,598 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,603 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,620 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:11,621 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:11,621 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:11,622 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:11,622 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (1/1) ... [2023-11-26 12:00:11,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:11,658 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:11,677 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:11,712 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:11,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 12:00:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 12:00:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 12:00:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 12:00:11,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 12:00:11,739 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 12:00:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 12:00:11,741 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 12:00:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 12:00:11,742 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 12:00:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:00:11,743 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:00:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 12:00:11,743 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 12:00:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:11,744 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:11,896 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:11,901 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:12,411 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:12,455 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:12,455 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:12,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:12 BoogieIcfgContainer [2023-11-26 12:00:12,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:12,459 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:12,459 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:12,462 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:12,463 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:10" (1/3) ... [2023-11-26 12:00:12,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:12, skipping insertion in model container [2023-11-26 12:00:12,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:11" (2/3) ... [2023-11-26 12:00:12,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3180c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:12, skipping insertion in model container [2023-11-26 12:00:12,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:12" (3/3) ... [2023-11-26 12:00:12,466 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-79.i [2023-11-26 12:00:12,484 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:12,485 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:12,537 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:12,544 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=PETRI_NET, 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;@65c54aae, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:12,544 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:12,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 73 states have internal predecessors, (107), 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) [2023-11-26 12:00:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-26 12:00:12,562 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:12,563 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] [2023-11-26 12:00:12,564 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:12,570 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:12,570 INFO L85 PathProgramCache]: Analyzing trace with hash 545174283, now seen corresponding path program 1 times [2023-11-26 12:00:12,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:12,581 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576510874] [2023-11-26 12:00:12,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:12,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:12,867 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576510874] [2023-11-26 12:00:12,868 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 12:00:12,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857063600] [2023-11-26 12:00:12,868 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:12,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:12,869 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:12,873 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:12,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 12:00:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:13,122 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:00:13,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:13,177 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2023-11-26 12:00:13,177 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:13,178 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857063600] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:13,178 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:13,179 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:13,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649707641] [2023-11-26 12:00:13,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:13,189 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:13,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:13,226 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:13,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:13,231 INFO L87 Difference]: Start difference. First operand has 86 states, 72 states have (on average 1.4861111111111112) internal successors, (107), 73 states have internal predecessors, (107), 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 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-26 12:00:13,295 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:13,296 INFO L93 Difference]: Finished difference Result 169 states and 267 transitions. [2023-11-26 12:00:13,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:13,299 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) Word has length 96 [2023-11-26 12:00:13,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:13,307 INFO L225 Difference]: With dead ends: 169 [2023-11-26 12:00:13,307 INFO L226 Difference]: Without dead ends: 84 [2023-11-26 12:00:13,311 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:13,315 INFO L413 NwaCegarLoop]: 120 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:13,316 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:13,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-26 12:00:13,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2023-11-26 12:00:13,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 71 states have (on average 1.4366197183098592) internal successors, (102), 71 states have internal predecessors, (102), 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) [2023-11-26 12:00:13,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 124 transitions. [2023-11-26 12:00:13,365 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 124 transitions. Word has length 96 [2023-11-26 12:00:13,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:13,365 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 124 transitions. [2023-11-26 12:00:13,366 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.0) internal successors, (46), 2 states have internal predecessors, (46), 2 states have call successors, (11), 2 states have call predecessors, (11), 1 states have return successors, (11), 1 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-26 12:00:13,366 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 124 transitions. [2023-11-26 12:00:13,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-26 12:00:13,371 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:13,371 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] [2023-11-26 12:00:13,381 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:13,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:13,579 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:13,580 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:13,581 INFO L85 PathProgramCache]: Analyzing trace with hash 1362271685, now seen corresponding path program 1 times [2023-11-26 12:00:13,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:13,582 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1001459546] [2023-11-26 12:00:13,582 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:13,582 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:13,652 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:13,653 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [531914218] [2023-11-26 12:00:13,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:13,653 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:13,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:13,654 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:13,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 12:00:13,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:13,863 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:13,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:13,955 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:13,955 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:13,955 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1001459546] [2023-11-26 12:00:13,956 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:13,956 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531914218] [2023-11-26 12:00:13,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531914218] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:13,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:13,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:13,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398163600] [2023-11-26 12:00:13,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:13,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:13,958 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:13,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:13,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:13,960 INFO L87 Difference]: Start difference. First operand 84 states and 124 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-26 12:00:14,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:14,020 INFO L93 Difference]: Finished difference Result 171 states and 252 transitions. [2023-11-26 12:00:14,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:14,021 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 96 [2023-11-26 12:00:14,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:14,024 INFO L225 Difference]: With dead ends: 171 [2023-11-26 12:00:14,024 INFO L226 Difference]: Without dead ends: 88 [2023-11-26 12:00:14,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:14,026 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 3 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 348 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:14,027 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 348 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:14,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2023-11-26 12:00:14,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 86. [2023-11-26 12:00:14,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 73 states have (on average 1.4246575342465753) internal successors, (104), 73 states have internal predecessors, (104), 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) [2023-11-26 12:00:14,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 126 transitions. [2023-11-26 12:00:14,050 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 126 transitions. Word has length 96 [2023-11-26 12:00:14,052 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:14,052 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 126 transitions. [2023-11-26 12:00:14,053 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-26 12:00:14,053 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 126 transitions. [2023-11-26 12:00:14,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-26 12:00:14,058 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:14,058 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] [2023-11-26 12:00:14,071 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:14,259 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:14,259 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:14,260 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:14,260 INFO L85 PathProgramCache]: Analyzing trace with hash 1362331267, now seen corresponding path program 1 times [2023-11-26 12:00:14,260 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:14,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050926467] [2023-11-26 12:00:14,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:14,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:14,316 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:14,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [90434053] [2023-11-26 12:00:14,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:14,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:14,317 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:14,318 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:14,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 12:00:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:14,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 320 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:14,543 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:14,581 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:14,582 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:14,582 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:14,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050926467] [2023-11-26 12:00:14,582 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:14,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90434053] [2023-11-26 12:00:14,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90434053] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:14,583 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:14,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:14,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805312698] [2023-11-26 12:00:14,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:14,585 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:14,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:14,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:14,586 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:14,586 INFO L87 Difference]: Start difference. First operand 86 states and 126 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-26 12:00:14,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:14,667 INFO L93 Difference]: Finished difference Result 191 states and 280 transitions. [2023-11-26 12:00:14,668 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:14,668 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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 96 [2023-11-26 12:00:14,669 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:14,671 INFO L225 Difference]: With dead ends: 191 [2023-11-26 12:00:14,675 INFO L226 Difference]: Without dead ends: 106 [2023-11-26 12:00:14,676 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:14,680 INFO L413 NwaCegarLoop]: 130 mSDtfsCounter, 46 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:14,682 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 361 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:14,687 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-26 12:00:14,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 88. [2023-11-26 12:00:14,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 88 states, 75 states have (on average 1.4133333333333333) internal successors, (106), 75 states have internal predecessors, (106), 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) [2023-11-26 12:00:14,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 128 transitions. [2023-11-26 12:00:14,703 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 128 transitions. Word has length 96 [2023-11-26 12:00:14,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:14,707 INFO L495 AbstractCegarLoop]: Abstraction has 88 states and 128 transitions. [2023-11-26 12:00:14,707 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 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) [2023-11-26 12:00:14,707 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 128 transitions. [2023-11-26 12:00:14,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:00:14,711 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:14,712 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] [2023-11-26 12:00:14,723 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:14,923 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:14,923 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:14,924 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:14,924 INFO L85 PathProgramCache]: Analyzing trace with hash -1485838808, now seen corresponding path program 1 times [2023-11-26 12:00:14,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:14,924 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324451183] [2023-11-26 12:00:14,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:14,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:15,006 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:15,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [519454134] [2023-11-26 12:00:15,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:15,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:15,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:15,015 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:15,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 12:00:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:15,200 INFO L262 TraceCheckSpWp]: Trace formula consists of 331 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:00:15,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:15,261 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 22 treesize of output 10 [2023-11-26 12:00:15,276 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:15,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:15,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:15,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324451183] [2023-11-26 12:00:15,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:15,277 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [519454134] [2023-11-26 12:00:15,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [519454134] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:15,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:15,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:15,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [475397554] [2023-11-26 12:00:15,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:15,278 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:15,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:15,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:15,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:15,280 INFO L87 Difference]: Start difference. First operand 88 states and 128 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (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) [2023-11-26 12:00:15,653 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:15,653 INFO L93 Difference]: Finished difference Result 270 states and 392 transitions. [2023-11-26 12:00:15,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:15,654 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (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 98 [2023-11-26 12:00:15,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:15,657 INFO L225 Difference]: With dead ends: 270 [2023-11-26 12:00:15,657 INFO L226 Difference]: Without dead ends: 183 [2023-11-26 12:00:15,658 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:15,659 INFO L413 NwaCegarLoop]: 164 mSDtfsCounter, 146 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 500 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:15,659 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 500 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:00:15,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 183 states. [2023-11-26 12:00:15,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 183 to 90. [2023-11-26 12:00:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 77 states have (on average 1.4025974025974026) internal successors, (108), 77 states have internal predecessors, (108), 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) [2023-11-26 12:00:15,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 130 transitions. [2023-11-26 12:00:15,674 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 130 transitions. Word has length 98 [2023-11-26 12:00:15,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:15,674 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 130 transitions. [2023-11-26 12:00:15,675 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (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) [2023-11-26 12:00:15,675 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 130 transitions. [2023-11-26 12:00:15,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 12:00:15,676 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:15,677 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] [2023-11-26 12:00:15,685 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:15,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:15,884 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:15,885 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:15,885 INFO L85 PathProgramCache]: Analyzing trace with hash 1171160113, now seen corresponding path program 1 times [2023-11-26 12:00:15,885 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:15,885 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [267877286] [2023-11-26 12:00:15,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:15,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:15,954 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:15,967 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [533155402] [2023-11-26 12:00:15,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:15,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:15,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:15,973 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:15,996 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 12:00:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:16,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-26 12:00:16,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:16,238 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 80 treesize of output 59 [2023-11-26 12:00:16,243 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 28 treesize of output 28 [2023-11-26 12:00:16,257 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 30 [2023-11-26 12:00:16,524 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:16,524 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 251 treesize of output 143 [2023-11-26 12:00:16,569 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-26 12:00:16,569 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:00:16,729 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:16,729 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:16,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [267877286] [2023-11-26 12:00:16,730 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:16,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533155402] [2023-11-26 12:00:16,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533155402] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:16,730 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:00:16,730 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 10 [2023-11-26 12:00:16,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [332145603] [2023-11-26 12:00:16,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:16,731 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:00:16,731 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:16,732 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:00:16,732 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2023-11-26 12:00:16,732 INFO L87 Difference]: Start difference. First operand 90 states and 130 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) [2023-11-26 12:00:17,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:17,231 INFO L93 Difference]: Finished difference Result 269 states and 386 transitions. [2023-11-26 12:00:17,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:00:17,232 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 [2023-11-26 12:00:17,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:17,233 INFO L225 Difference]: With dead ends: 269 [2023-11-26 12:00:17,234 INFO L226 Difference]: Without dead ends: 180 [2023-11-26 12:00:17,234 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 187 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2023-11-26 12:00:17,235 INFO L413 NwaCegarLoop]: 149 mSDtfsCounter, 134 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:17,235 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 577 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:00:17,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2023-11-26 12:00:17,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 94. [2023-11-26 12:00:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 81 states have (on average 1.4074074074074074) internal successors, (114), 81 states have internal predecessors, (114), 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) [2023-11-26 12:00:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 136 transitions. [2023-11-26 12:00:17,256 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 136 transitions. Word has length 99 [2023-11-26 12:00:17,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:17,257 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 136 transitions. [2023-11-26 12:00:17,258 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) [2023-11-26 12:00:17,258 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 136 transitions. [2023-11-26 12:00:17,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-26 12:00:17,263 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:17,264 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] [2023-11-26 12:00:17,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:17,470 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:17,471 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:17,471 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:17,471 INFO L85 PathProgramCache]: Analyzing trace with hash 908353430, now seen corresponding path program 1 times [2023-11-26 12:00:17,472 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:17,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501298000] [2023-11-26 12:00:17,472 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,472 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:17,514 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:17,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1606668017] [2023-11-26 12:00:17,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:17,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:17,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:17,516 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:17,536 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 12:00:17,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:17,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-26 12:00:17,705 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:17,757 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 31 treesize of output 15 [2023-11-26 12:00:17,775 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-26 12:00:17,790 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-26 12:00:17,790 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:17,790 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:17,790 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501298000] [2023-11-26 12:00:17,791 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:17,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1606668017] [2023-11-26 12:00:17,791 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1606668017] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:17,791 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:17,791 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:00:17,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871770426] [2023-11-26 12:00:17,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:17,792 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 12:00:17,792 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:17,793 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 12:00:17,793 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:17,794 INFO L87 Difference]: Start difference. First operand 94 states and 136 transitions. Second operand has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-26 12:00:18,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:18,190 INFO L93 Difference]: Finished difference Result 191 states and 274 transitions. [2023-11-26 12:00:18,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-26 12:00:18,191 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (11), 1 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 [2023-11-26 12:00:18,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:18,192 INFO L225 Difference]: With dead ends: 191 [2023-11-26 12:00:18,193 INFO L226 Difference]: Without dead ends: 98 [2023-11-26 12:00:18,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 95 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:00:18,194 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 93 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 375 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 390 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 375 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:18,195 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [103 Valid, 245 Invalid, 390 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 375 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:00:18,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2023-11-26 12:00:18,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2023-11-26 12:00:18,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 82 states have (on average 1.3902439024390243) internal successors, (114), 82 states have internal predecessors, (114), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:00:18,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 136 transitions. [2023-11-26 12:00:18,205 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 136 transitions. Word has length 101 [2023-11-26 12:00:18,206 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:18,206 INFO L495 AbstractCegarLoop]: Abstraction has 96 states and 136 transitions. [2023-11-26 12:00:18,206 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 8.666666666666666) internal successors, (52), 7 states have internal predecessors, (52), 2 states have call successors, (11), 1 states have call predecessors, (11), 2 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2023-11-26 12:00:18,206 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 136 transitions. [2023-11-26 12:00:18,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-26 12:00:18,208 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:18,208 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] [2023-11-26 12:00:18,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:18,414 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:18,415 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:18,415 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:18,415 INFO L85 PathProgramCache]: Analyzing trace with hash 1193604055, now seen corresponding path program 1 times [2023-11-26 12:00:18,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:18,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719382015] [2023-11-26 12:00:18,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:18,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:18,460 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:18,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [737711998] [2023-11-26 12:00:18,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:18,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:18,461 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:18,464 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:18,496 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 12:00:18,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:18,662 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:00:18,666 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:18,699 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-26 12:00:18,712 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:18,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:18,713 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:18,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1719382015] [2023-11-26 12:00:18,715 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:18,716 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [737711998] [2023-11-26 12:00:18,716 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [737711998] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:18,716 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:18,716 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:18,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127314576] [2023-11-26 12:00:18,717 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:18,717 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:18,717 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:18,718 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:18,718 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:18,718 INFO L87 Difference]: Start difference. First operand 96 states and 136 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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) [2023-11-26 12:00:18,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:18,849 INFO L93 Difference]: Finished difference Result 209 states and 296 transitions. [2023-11-26 12:00:18,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:18,850 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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 [2023-11-26 12:00:18,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:18,851 INFO L225 Difference]: With dead ends: 209 [2023-11-26 12:00:18,852 INFO L226 Difference]: Without dead ends: 114 [2023-11-26 12:00:18,852 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 [2023-11-26 12:00:18,853 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 70 mSDsluCounter, 146 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:18,853 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 252 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:00:18,854 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2023-11-26 12:00:18,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 94. [2023-11-26 12:00:18,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 80 states have (on average 1.3625) internal successors, (109), 80 states have internal predecessors, (109), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:00:18,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 131 transitions. [2023-11-26 12:00:18,863 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 131 transitions. Word has length 101 [2023-11-26 12:00:18,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:18,864 INFO L495 AbstractCegarLoop]: Abstraction has 94 states and 131 transitions. [2023-11-26 12:00:18,864 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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) [2023-11-26 12:00:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 131 transitions. [2023-11-26 12:00:18,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-26 12:00:18,865 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:18,865 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, 1, 1] [2023-11-26 12:00:18,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:19,083 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:19,083 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:19,084 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,084 INFO L85 PathProgramCache]: Analyzing trace with hash -453771637, now seen corresponding path program 1 times [2023-11-26 12:00:19,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,084 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865447995] [2023-11-26 12:00:19,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,114 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:19,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [841022353] [2023-11-26 12:00:19,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:19,115 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:19,116 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:19,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 12:00:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 352 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 12:00:19,314 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:19,337 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 9 [2023-11-26 12:00:19,346 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:19,346 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:19,347 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:19,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865447995] [2023-11-26 12:00:19,347 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:19,347 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [841022353] [2023-11-26 12:00:19,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [841022353] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:19,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:19,348 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:19,348 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083324644] [2023-11-26 12:00:19,348 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:19,348 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:19,349 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:19,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:19,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:19,350 INFO L87 Difference]: Start difference. First operand 94 states and 131 transitions. Second operand has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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) [2023-11-26 12:00:19,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:19,439 INFO L93 Difference]: Finished difference Result 179 states and 250 transitions. [2023-11-26 12:00:19,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 12:00:19,440 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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 [2023-11-26 12:00:19,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:19,443 INFO L225 Difference]: With dead ends: 179 [2023-11-26 12:00:19,443 INFO L226 Difference]: Without dead ends: 86 [2023-11-26 12:00:19,444 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:19,445 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 0 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:19,446 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 278 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:00:19,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2023-11-26 12:00:19,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2023-11-26 12:00:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.3472222222222223) internal successors, (97), 72 states have internal predecessors, (97), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:00:19,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 119 transitions. [2023-11-26 12:00:19,462 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 119 transitions. Word has length 101 [2023-11-26 12:00:19,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:19,462 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 119 transitions. [2023-11-26 12:00:19,463 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 12.25) internal successors, (49), 4 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) [2023-11-26 12:00:19,463 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 119 transitions. [2023-11-26 12:00:19,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-26 12:00:19,464 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:19,464 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] [2023-11-26 12:00:19,478 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:19,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2023-11-26 12:00:19,678 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:19,679 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:19,679 INFO L85 PathProgramCache]: Analyzing trace with hash -684056339, now seen corresponding path program 1 times [2023-11-26 12:00:19,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:19,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318305468] [2023-11-26 12:00:19,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:19,731 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:19,732 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208597797] [2023-11-26 12:00:19,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:19,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:19,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:19,733 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:19,762 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2023-11-26 12:00:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:19,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 355 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-26 12:00:19,945 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:19,976 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 91 treesize of output 69 [2023-11-26 12:00:19,983 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:19,983 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 89 [2023-11-26 12:00:20,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:00:20,027 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 4 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 33 [2023-11-26 12:00:20,107 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:20,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 97 treesize of output 47 [2023-11-26 12:00:20,126 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:20,126 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:20,126 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:20,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318305468] [2023-11-26 12:00:20,126 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:20,126 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208597797] [2023-11-26 12:00:20,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208597797] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:20,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:20,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 12:00:20,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144487682] [2023-11-26 12:00:20,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:20,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:00:20,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:20,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:00:20,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:20,129 INFO L87 Difference]: Start difference. First operand 86 states and 119 transitions. Second operand has 6 states, 6 states have (on average 8.333333333333334) 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) [2023-11-26 12:00:20,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:20,484 INFO L93 Difference]: Finished difference Result 172 states and 238 transitions. [2023-11-26 12:00:20,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:20,484 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.333333333333334) 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 [2023-11-26 12:00:20,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:20,486 INFO L225 Difference]: With dead ends: 172 [2023-11-26 12:00:20,486 INFO L226 Difference]: Without dead ends: 87 [2023-11-26 12:00:20,486 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-26 12:00:20,487 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 159 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 219 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 219 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:20,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 172 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 219 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:00:20,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2023-11-26 12:00:20,493 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 86. [2023-11-26 12:00:20,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.3333333333333333) internal successors, (96), 72 states have internal predecessors, (96), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:00:20,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 118 transitions. [2023-11-26 12:00:20,495 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 118 transitions. Word has length 102 [2023-11-26 12:00:20,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:20,495 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 118 transitions. [2023-11-26 12:00:20,495 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.333333333333334) 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) [2023-11-26 12:00:20,496 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 118 transitions. [2023-11-26 12:00:20,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-26 12:00:20,497 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:20,497 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, 1, 1] [2023-11-26 12:00:20,508 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:20,708 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2023-11-26 12:00:20,708 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:20,709 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:20,709 INFO L85 PathProgramCache]: Analyzing trace with hash 1309001384, now seen corresponding path program 1 times [2023-11-26 12:00:20,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:20,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664395511] [2023-11-26 12:00:20,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:20,762 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:20,763 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2092157063] [2023-11-26 12:00:20,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:20,764 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:20,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:20,765 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:20,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2023-11-26 12:00:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:21,010 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-26 12:00:21,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:21,171 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 25 treesize of output 13 [2023-11-26 12:00:21,192 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:21,193 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 1 case distinctions, treesize of input 25 treesize of output 27 [2023-11-26 12:00:21,235 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 92 treesize of output 66 [2023-11-26 12:00:21,240 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 104 [2023-11-26 12:00:21,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-26 12:00:21,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 11 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 40 [2023-11-26 12:00:21,598 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:21,598 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 105 treesize of output 53 [2023-11-26 12:00:21,620 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:21,620 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:21,620 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:21,620 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664395511] [2023-11-26 12:00:21,620 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:21,621 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2092157063] [2023-11-26 12:00:21,621 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2092157063] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:21,621 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:21,621 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:00:21,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857220454] [2023-11-26 12:00:21,621 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:21,622 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:00:21,622 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:21,623 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:00:21,623 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:00:21,623 INFO L87 Difference]: Start difference. First operand 86 states and 118 transitions. Second operand has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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) [2023-11-26 12:00:22,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:22,149 INFO L93 Difference]: Finished difference Result 227 states and 311 transitions. [2023-11-26 12:00:22,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 12:00:22,149 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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 104 [2023-11-26 12:00:22,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:22,151 INFO L225 Difference]: With dead ends: 227 [2023-11-26 12:00:22,151 INFO L226 Difference]: Without dead ends: 142 [2023-11-26 12:00:22,151 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:00:22,152 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 148 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 233 SdHoareTripleChecker+Invalid, 394 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:22,153 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [148 Valid, 233 Invalid, 394 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:00:22,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2023-11-26 12:00:22,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 103. [2023-11-26 12:00:22,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.3258426966292134) internal successors, (118), 89 states have internal predecessors, (118), 11 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-26 12:00:22,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 140 transitions. [2023-11-26 12:00:22,162 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 140 transitions. Word has length 104 [2023-11-26 12:00:22,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:22,162 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 140 transitions. [2023-11-26 12:00:22,163 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.5) internal successors, (52), 7 states have internal predecessors, (52), 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) [2023-11-26 12:00:22,163 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 140 transitions. [2023-11-26 12:00:22,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2023-11-26 12:00:22,164 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:22,164 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, 1, 1] [2023-11-26 12:00:22,180 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:22,375 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2023-11-26 12:00:22,375 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:22,376 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:22,376 INFO L85 PathProgramCache]: Analyzing trace with hash 1567166822, now seen corresponding path program 1 times [2023-11-26 12:00:22,376 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:22,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [718250514] [2023-11-26 12:00:22,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:22,377 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:22,404 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:22,404 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [122714078] [2023-11-26 12:00:22,404 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:22,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:22,405 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:22,406 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:22,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2023-11-26 12:00:22,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:22,624 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-26 12:00:22,628 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:22,755 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 15 treesize of output 15 [2023-11-26 12:00:22,782 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:22,783 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 3 case distinctions, treesize of input 27 treesize of output 32 [2023-11-26 12:00:22,831 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 94 treesize of output 66 [2023-11-26 12:00:22,836 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 66 treesize of output 112 [2023-11-26 12:00:22,893 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 84 treesize of output 56 [2023-11-26 12:00:23,398 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:23,398 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 134 treesize of output 62 [2023-11-26 12:00:23,432 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 27 proven. 3 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2023-11-26 12:00:23,432 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 12:00:23,574 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:23,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [718250514] [2023-11-26 12:00:23,575 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:23,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [122714078] [2023-11-26 12:00:23,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [122714078] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 12:00:23,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 12:00:23,576 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 13 [2023-11-26 12:00:23,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848455238] [2023-11-26 12:00:23,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:23,576 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 12:00:23,577 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:23,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 12:00:23,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2023-11-26 12:00:23,578 INFO L87 Difference]: Start difference. First operand 103 states and 140 transitions. Second operand has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2023-11-26 12:00:23,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:23,870 INFO L93 Difference]: Finished difference Result 275 states and 368 transitions. [2023-11-26 12:00:23,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:00:23,872 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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 104 [2023-11-26 12:00:23,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:23,873 INFO L225 Difference]: With dead ends: 275 [2023-11-26 12:00:23,873 INFO L226 Difference]: Without dead ends: 173 [2023-11-26 12:00:23,874 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 210 GetRequests, 194 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2023-11-26 12:00:23,875 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 106 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 185 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 185 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:23,875 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 479 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 185 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 12:00:23,876 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2023-11-26 12:00:23,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 163. [2023-11-26 12:00:23,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 144 states have (on average 1.2916666666666667) internal successors, (186), 145 states have internal predecessors, (186), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 12:00:23,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 216 transitions. [2023-11-26 12:00:23,889 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 216 transitions. Word has length 104 [2023-11-26 12:00:23,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:23,890 INFO L495 AbstractCegarLoop]: Abstraction has 163 states and 216 transitions. [2023-11-26 12:00:23,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.666666666666666) internal successors, (52), 6 states have internal predecessors, (52), 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) [2023-11-26 12:00:23,890 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 216 transitions. [2023-11-26 12:00:23,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-26 12:00:23,892 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:23,892 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, 1, 1, 1] [2023-11-26 12:00:23,903 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2023-11-26 12:00:24,098 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2023-11-26 12:00:24,099 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:24,099 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:24,099 INFO L85 PathProgramCache]: Analyzing trace with hash 1932004726, now seen corresponding path program 1 times [2023-11-26 12:00:24,099 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:24,100 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1340803711] [2023-11-26 12:00:24,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:24,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:24,131 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:24,131 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [798823596] [2023-11-26 12:00:24,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:24,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:24,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:24,133 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:24,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2023-11-26 12:00:24,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:24,536 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-26 12:00:24,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:24,594 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:00:24,619 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:00:24,640 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:00:24,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:00:24,684 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-11-26 12:00:24,781 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 29 treesize of output 17 [2023-11-26 12:00:24,823 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:24,823 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 1 case distinctions, treesize of input 29 treesize of output 31 [2023-11-26 12:00:24,879 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 96 treesize of output 70 [2023-11-26 12:00:24,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 108 [2023-11-26 12:00:24,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 39 treesize of output 30 [2023-11-26 12:00:25,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:25,443 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 113 treesize of output 61 [2023-11-26 12:00:25,501 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:25,502 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:25,502 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:25,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1340803711] [2023-11-26 12:00:25,502 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:25,502 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798823596] [2023-11-26 12:00:25,502 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798823596] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:25,503 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:25,503 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-26 12:00:25,503 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [348776804] [2023-11-26 12:00:25,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:25,504 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2023-11-26 12:00:25,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:25,504 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2023-11-26 12:00:25,505 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2023-11-26 12:00:25,505 INFO L87 Difference]: Start difference. First operand 163 states and 216 transitions. Second operand has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 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) [2023-11-26 12:00:26,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:26,432 INFO L93 Difference]: Finished difference Result 429 states and 568 transitions. [2023-11-26 12:00:26,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 12:00:26,433 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 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 105 [2023-11-26 12:00:26,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:26,436 INFO L225 Difference]: With dead ends: 429 [2023-11-26 12:00:26,437 INFO L226 Difference]: Without dead ends: 267 [2023-11-26 12:00:26,437 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2023-11-26 12:00:26,438 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 173 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 740 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 744 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 740 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:26,438 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 430 Invalid, 744 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 740 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2023-11-26 12:00:26,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 267 states. [2023-11-26 12:00:26,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 267 to 197. [2023-11-26 12:00:26,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 197 states, 178 states have (on average 1.2808988764044944) internal successors, (228), 179 states have internal predecessors, (228), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 12:00:26,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 197 states and 258 transitions. [2023-11-26 12:00:26,454 INFO L78 Accepts]: Start accepts. Automaton has 197 states and 258 transitions. Word has length 105 [2023-11-26 12:00:26,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:26,455 INFO L495 AbstractCegarLoop]: Abstraction has 197 states and 258 transitions. [2023-11-26 12:00:26,455 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.416666666666667) internal successors, (53), 11 states have internal predecessors, (53), 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) [2023-11-26 12:00:26,455 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 258 transitions. [2023-11-26 12:00:26,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-26 12:00:26,456 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:26,457 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, 1, 1, 1] [2023-11-26 12:00:26,474 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:26,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2023-11-26 12:00:26,674 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:26,674 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:26,674 INFO L85 PathProgramCache]: Analyzing trace with hash 1538977716, now seen corresponding path program 1 times [2023-11-26 12:00:26,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:26,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1124849963] [2023-11-26 12:00:26,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:26,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:26,714 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:26,714 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1163070962] [2023-11-26 12:00:26,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:26,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:26,715 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:26,716 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:26,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2023-11-26 12:00:26,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:26,944 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 12:00:26,948 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:27,108 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 29 treesize of output 17 [2023-11-26 12:00:27,136 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:27,140 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 1 case distinctions, treesize of input 29 treesize of output 31 [2023-11-26 12:00:27,189 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 96 treesize of output 70 [2023-11-26 12:00:27,193 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 70 treesize of output 98 [2023-11-26 12:00:27,258 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 66 treesize of output 61 [2023-11-26 12:00:27,663 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:27,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 105 treesize of output 57 [2023-11-26 12:00:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:27,686 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:27,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:27,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1124849963] [2023-11-26 12:00:27,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:27,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1163070962] [2023-11-26 12:00:27,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1163070962] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:27,687 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:27,687 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:00:27,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221103883] [2023-11-26 12:00:27,687 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:27,688 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:00:27,688 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:27,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:00:27,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:00:27,689 INFO L87 Difference]: Start difference. First operand 197 states and 258 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2023-11-26 12:00:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:28,119 INFO L93 Difference]: Finished difference Result 513 states and 672 transitions. [2023-11-26 12:00:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2023-11-26 12:00:28,120 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 105 [2023-11-26 12:00:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:28,123 INFO L225 Difference]: With dead ends: 513 [2023-11-26 12:00:28,124 INFO L226 Difference]: Without dead ends: 317 [2023-11-26 12:00:28,124 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=73, Unknown=0, NotChecked=0, Total=110 [2023-11-26 12:00:28,125 INFO L413 NwaCegarLoop]: 65 mSDtfsCounter, 196 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 281 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 203 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 281 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:28,126 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 203 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 281 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 12:00:28,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 317 states. [2023-11-26 12:00:28,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 317 to 242. [2023-11-26 12:00:28,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 223 states have (on average 1.2600896860986548) internal successors, (281), 224 states have internal predecessors, (281), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 12:00:28,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 311 transitions. [2023-11-26 12:00:28,145 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 311 transitions. Word has length 105 [2023-11-26 12:00:28,146 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:28,146 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 311 transitions. [2023-11-26 12:00:28,146 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2023-11-26 12:00:28,146 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 311 transitions. [2023-11-26 12:00:28,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-26 12:00:28,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:28,148 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, 1, 1, 1] [2023-11-26 12:00:28,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:28,355 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2023-11-26 12:00:28,356 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:28,356 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:28,356 INFO L85 PathProgramCache]: Analyzing trace with hash 1994044340, now seen corresponding path program 1 times [2023-11-26 12:00:28,356 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:28,356 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373104939] [2023-11-26 12:00:28,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:28,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:28,383 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:28,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1984857082] [2023-11-26 12:00:28,384 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:28,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:28,384 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:28,385 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:28,417 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2023-11-26 12:00:28,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:28,638 INFO L262 TraceCheckSpWp]: Trace formula consists of 369 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-26 12:00:28,641 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:28,808 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 24 treesize of output 12 [2023-11-26 12:00:28,833 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:28,834 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 1 case distinctions, treesize of input 24 treesize of output 26 [2023-11-26 12:00:28,880 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 91 treesize of output 65 [2023-11-26 12:00:28,887 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 93 [2023-11-26 12:00:28,945 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 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 0 case distinctions, treesize of input 61 treesize of output 56 [2023-11-26 12:00:29,277 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:29,277 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 95 treesize of output 47 [2023-11-26 12:00:29,295 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:29,296 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:29,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 12:00:29,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373104939] [2023-11-26 12:00:29,296 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 12:00:29,296 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1984857082] [2023-11-26 12:00:29,296 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1984857082] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:29,297 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:29,297 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 12:00:29,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657716986] [2023-11-26 12:00:29,297 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:29,298 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 12:00:29,298 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 12:00:29,299 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 12:00:29,299 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:00:29,299 INFO L87 Difference]: Start difference. First operand 242 states and 311 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2023-11-26 12:00:29,822 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:29,822 INFO L93 Difference]: Finished difference Result 524 states and 675 transitions. [2023-11-26 12:00:29,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 12:00:29,823 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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 105 [2023-11-26 12:00:29,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:29,825 INFO L225 Difference]: With dead ends: 524 [2023-11-26 12:00:29,825 INFO L226 Difference]: Without dead ends: 283 [2023-11-26 12:00:29,826 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 106 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2023-11-26 12:00:29,827 INFO L413 NwaCegarLoop]: 68 mSDtfsCounter, 144 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:29,827 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 242 Invalid, 428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-26 12:00:29,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 283 states. [2023-11-26 12:00:29,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 283 to 242. [2023-11-26 12:00:29,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 242 states, 223 states have (on average 1.251121076233184) internal successors, (279), 224 states have internal predecessors, (279), 15 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 14 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 12:00:29,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 309 transitions. [2023-11-26 12:00:29,844 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 309 transitions. Word has length 105 [2023-11-26 12:00:29,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:29,845 INFO L495 AbstractCegarLoop]: Abstraction has 242 states and 309 transitions. [2023-11-26 12:00:29,845 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 7 states have internal predecessors, (53), 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) [2023-11-26 12:00:29,845 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 309 transitions. [2023-11-26 12:00:29,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-26 12:00:29,847 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:29,847 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, 1, 1, 1] [2023-11-26 12:00:29,861 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:30,055 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-26 12:00:30,055 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:30,055 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:30,055 INFO L85 PathProgramCache]: Analyzing trace with hash 1601017330, now seen corresponding path program 1 times [2023-11-26 12:00:30,056 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 12:00:30,056 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557351831] [2023-11-26 12:00:30,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:30,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 12:00:30,099 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 12:00:30,099 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [704803653] [2023-11-26 12:00:30,099 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:30,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 12:00:30,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:30,100 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 12:00:30,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2023-11-26 12:00:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:30,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 12:00:30,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 12:00:30,967 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 12:00:30,968 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 12:00:30,969 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 12:00:30,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:31,178 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2023-11-26 12:00:31,181 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 12:00:31,185 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 12:00:31,223 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem31 could not be translated [2023-11-26 12:00:31,224 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated [2023-11-26 12:00:31,225 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-26 12:00:31,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated [2023-11-26 12:00:31,226 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-26 12:00:31,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated [2023-11-26 12:00:31,227 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 12:00:31,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-26 12:00:31,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 12:00:31,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-26 12:00:31,228 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 12:00:31,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-26 12:00:31,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-26 12:00:31,229 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated [2023-11-26 12:00:31,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 12:00:31,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated [2023-11-26 12:00:31,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated [2023-11-26 12:00:31,230 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 12:00:31,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 12:00:31,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 12:00:31,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 12:00:31,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-26 12:00:31,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-26 12:00:31,231 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 12:00:31,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated [2023-11-26 12:00:31,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated [2023-11-26 12:00:31,232 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 12:00:31,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated [2023-11-26 12:00:31,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-26 12:00:31,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-26 12:00:31,233 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-26 12:00:31,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-26 12:00:31,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-26 12:00:31,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-26 12:00:31,234 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-26 12:00:31,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated [2023-11-26 12:00:31,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated [2023-11-26 12:00:31,235 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated [2023-11-26 12:00:31,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated [2023-11-26 12:00:31,236 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 12:00:31,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated [2023-11-26 12:00:31,237 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated [2023-11-26 12:00:31,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated [2023-11-26 12:00:31,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 12:00:31,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated [2023-11-26 12:00:31,238 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated [2023-11-26 12:00:31,239 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,240 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,241 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,242 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:00:31,243 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,244 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,245 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:00:31,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 12:00:31,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-26 12:00:31,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,246 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:00:31,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated [2023-11-26 12:00:31,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:00:31,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,247 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated [2023-11-26 12:00:31,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-26 12:00:31,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-26 12:00:31,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,248 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,252 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:00:31,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:00:31,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated [2023-11-26 12:00:31,253 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated [2023-11-26 12:00:31,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-26 12:00:31,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:00:31,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 12:00:31,254 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated [2023-11-26 12:00:31,255 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:00:31,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:00:31,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-26 12:00:31,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated [2023-11-26 12:00:31,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,256 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:00:31,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-26 12:00:31,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 12:00:31,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated [2023-11-26 12:00:31,257 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,258 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated [2023-11-26 12:00:31,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated [2023-11-26 12:00:31,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated [2023-11-26 12:00:31,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated [2023-11-26 12:00:31,259 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated [2023-11-26 12:00:31,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated [2023-11-26 12:00:31,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated [2023-11-26 12:00:31,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated [2023-11-26 12:00:31,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated [2023-11-26 12:00:31,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated [2023-11-26 12:00:31,260 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated [2023-11-26 12:00:31,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated [2023-11-26 12:00:31,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated [2023-11-26 12:00:31,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated [2023-11-26 12:00:31,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated [2023-11-26 12:00:31,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated [2023-11-26 12:00:31,261 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated [2023-11-26 12:00:31,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 12:00:31 BoogieIcfgContainer [2023-11-26 12:00:31,292 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 12:00:31,292 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 12:00:31,292 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 12:00:31,293 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 12:00:31,293 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:12" (3/4) ... [2023-11-26 12:00:31,295 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 12:00:31,296 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 12:00:31,297 INFO L158 Benchmark]: Toolchain (without parser) took 20326.40ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 129.6MB in the beginning and 101.3MB in the end (delta: 28.3MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB. [2023-11-26 12:00:31,298 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:31,299 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.86ms. Allocated memory is still 161.5MB. Free memory was 129.0MB in the beginning and 114.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 12:00:31,299 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.89ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 110.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:31,299 INFO L158 Benchmark]: Boogie Preprocessor took 136.17ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 106.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 12:00:31,300 INFO L158 Benchmark]: RCFGBuilder took 834.94ms. Allocated memory is still 161.5MB. Free memory was 106.7MB in the beginning and 77.9MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:31,300 INFO L158 Benchmark]: TraceAbstraction took 18833.21ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 77.3MB in the beginning and 101.3MB in the end (delta: -24.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. [2023-11-26 12:00:31,300 INFO L158 Benchmark]: Witness Printer took 4.12ms. Allocated memory is still 209.7MB. Free memory is still 101.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 12:00:31,303 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 161.5MB. Free memory is still 134.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 432.86ms. Allocated memory is still 161.5MB. Free memory was 129.0MB in the beginning and 114.5MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 75.89ms. Allocated memory is still 161.5MB. Free memory was 114.5MB in the beginning and 110.9MB in the end (delta: 3.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 136.17ms. Allocated memory is still 161.5MB. Free memory was 110.9MB in the beginning and 106.7MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 834.94ms. Allocated memory is still 161.5MB. Free memory was 106.7MB in the beginning and 77.9MB in the end (delta: 28.8MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * TraceAbstraction took 18833.21ms. Allocated memory was 161.5MB in the beginning and 209.7MB in the end (delta: 48.2MB). Free memory was 77.3MB in the beginning and 101.3MB in the end (delta: -24.0MB). Peak memory consumption was 25.4MB. Max. memory is 16.1GB. * Witness Printer took 4.12ms. Allocated memory is still 209.7MB. Free memory is still 101.3MB. 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~mem31 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem32 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem35 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem38 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem41 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem48 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short54 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short50 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~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem57 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short58 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem56 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 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~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 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~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem78 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem67 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem92 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem68 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem91 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite76 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet82 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short109 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite77 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite93 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem81 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem69 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short94 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem70 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite80 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem83 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 19]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 64, overapproximation of someBinaryFLOATComparisonOperation at line 95, overapproximation of shiftRight at line 104. Possible FailurePath: [L35] unsigned char isInitial = 0; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L36-L48] struct WrapperStruct00 WrapperStruct00 = { -16, 0, 64, 64, -64, 32.5, 1.6, 32, 15.5, 0, 0 }; [L49] unsigned short int last_1_WrapperStruct00_var_1_10 = 32; [L108] isInitial = 1 [L109] FCALL initially() [L110] COND TRUE 1 [L111] CALL updateLastVariables() [L101] EXPR WrapperStruct00.var_1_10 [L101] last_1_WrapperStruct00_var_1_10 = WrapperStruct00.var_1_10 [L111] RET updateLastVariables() [L112] CALL updateVariables() [L81] WrapperStruct00.var_1_3 = __VERIFIER_nondet_char() [L82] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L82] CALL assume_abort_if_not(WrapperStruct00.var_1_3 >= -63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L82] RET assume_abort_if_not(WrapperStruct00.var_1_3 >= -63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L83] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L83] CALL assume_abort_if_not(WrapperStruct00.var_1_3 <= 63) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L83] RET assume_abort_if_not(WrapperStruct00.var_1_3 <= 63) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L84] WrapperStruct00.var_1_4 = __VERIFIER_nondet_char() [L85] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L85] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L85] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L86] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L86] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L86] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L87] WrapperStruct00.var_1_5 = __VERIFIER_nondet_char() [L88] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L89] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L89] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L89] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 126) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L90] WrapperStruct00.var_1_8 = __VERIFIER_nondet_double() [L91] EXPR WrapperStruct00.var_1_8 [L91] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L91] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F [L91] EXPR WrapperStruct00.var_1_8 [L91] EXPR WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L91] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L91] EXPR (WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L91] CALL assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L91] RET assume_abort_if_not((WrapperStruct00.var_1_8 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_8 <= -1.0e-20F) || (WrapperStruct00.var_1_8 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_8 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L92] WrapperStruct00.var_1_9 = __VERIFIER_nondet_double() [L93] EXPR WrapperStruct00.var_1_9 [L93] EXPR WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L93] EXPR WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F [L93] EXPR WrapperStruct00.var_1_9 [L93] EXPR WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L93] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L93] EXPR (WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L93] CALL assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L93] RET assume_abort_if_not((WrapperStruct00.var_1_9 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_9 <= -1.0e-20F) || (WrapperStruct00.var_1_9 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_9 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L94] WrapperStruct00.var_1_11 = __VERIFIER_nondet_float() [L95] EXPR WrapperStruct00.var_1_11 [L95] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L95] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F [L95] EXPR WrapperStruct00.var_1_11 [L95] EXPR WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L95] EXPR (WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L95] EXPR (WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L95] CALL assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L95] RET assume_abort_if_not((WrapperStruct00.var_1_11 >= -922337.2036854776000e+13F && WrapperStruct00.var_1_11 <= -1.0e-20F) || (WrapperStruct00.var_1_11 <= 9223372.036854776000e+12F && WrapperStruct00.var_1_11 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L96] WrapperStruct00.var_1_13 = __VERIFIER_nondet_uchar() [L97] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_13 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L98] EXPR WrapperStruct00.var_1_13 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L98] CALL assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L98] RET assume_abort_if_not(WrapperStruct00.var_1_13 <= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L112] RET updateVariables() [L113] CALL step() [L53] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L53] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) [L53] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L53] signed long int stepLocal_0 = (((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10)); [L54] EXPR WrapperStruct00.var_1_4 [L54] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L54] EXPR last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32, stepLocal_0=32] [L54] COND TRUE stepLocal_0 <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3)) [L55] EXPR WrapperStruct00.var_1_8 [L55] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L55] COND TRUE (- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9 [L56] EXPR WrapperStruct00.var_1_4 [L56] WrapperStruct00.var_1_6 = WrapperStruct00.var_1_4 [L63] EXPR WrapperStruct00.var_1_5 [L63] EXPR WrapperStruct00.var_1_6 [L63] signed long int stepLocal_1 = WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6; [L64] EXPR WrapperStruct00.var_1_11 [L64] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L64] COND FALSE !(WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) [L71] EXPR WrapperStruct00.var_1_13 [L71] WrapperStruct00.var_1_12 = WrapperStruct00.var_1_13 [L72] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L72] COND TRUE ! WrapperStruct00.var_1_12 [L73] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L73] COND TRUE ! WrapperStruct00.var_1_12 [L74] EXPR WrapperStruct00.var_1_3 [L74] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_3 + -32) [L113] RET step() [L114] CALL, EXPR property() [L104] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR (! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1 [L104] EXPR WrapperStruct00.var_1_12 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR (! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16)))))) [L104] EXPR WrapperStruct00.var_1_1 [L104] EXPR WrapperStruct00.var_1_3 [L104] EXPR (! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16)))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR (! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR ((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR ((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) [L104] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) [L104] EXPR ((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR WrapperStruct00.var_1_4 [L104] EXPR WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR (((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)) [L104] EXPR WrapperStruct00.var_1_6 [L104] EXPR WrapperStruct00.var_1_5 [L104] EXPR (((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR ((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR (((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR (((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR ((((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104] EXPR ((((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L104-L105] return ((((! WrapperStruct00.var_1_12) ? ((! WrapperStruct00.var_1_12) ? (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_3 + -32))) : (WrapperStruct00.var_1_1 == ((signed char) (WrapperStruct00.var_1_4 - ((((WrapperStruct00.var_1_5) < (16)) ? (WrapperStruct00.var_1_5) : (16))))))) : 1) && ((((((WrapperStruct00.var_1_5) > (last_1_WrapperStruct00_var_1_10)) ? (WrapperStruct00.var_1_5) : (last_1_WrapperStruct00_var_1_10))) <= (WrapperStruct00.var_1_4 * (last_1_WrapperStruct00_var_1_10 >> WrapperStruct00.var_1_3))) ? (((- WrapperStruct00.var_1_8) >= WrapperStruct00.var_1_9) ? (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_4)) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5))) : (WrapperStruct00.var_1_6 == ((signed long int) WrapperStruct00.var_1_5)))) && ((WrapperStruct00.var_1_11 < WrapperStruct00.var_1_9) ? (((WrapperStruct00.var_1_5 + WrapperStruct00.var_1_6) <= (~ (WrapperStruct00.var_1_6 % -32))) ? (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5)) : (WrapperStruct00.var_1_10 == ((unsigned short int) WrapperStruct00.var_1_5))) : 1)) && (WrapperStruct00.var_1_12 == ((unsigned char) WrapperStruct00.var_1_13)) ; [L114] RET, EXPR property() [L114] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=32] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_10=32] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 18.7s, OverallIterations: 15, TraceHistogramMax: 11, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 4.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1428 SdHoareTripleChecker+Valid, 3.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1418 mSDsluCounter, 4440 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3058 mSDsCounter, 74 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3290 IncrementalHoareTripleChecker+Invalid, 3364 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 74 mSolverCounterUnsat, 1382 mSDtfsCounter, 3290 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1631 GetRequests, 1531 SyntacticMatches, 2 SemanticMatches, 98 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=242occurred in iteration=13, InterpolantAutomatonStates: 105, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 14 MinimizatonAttempts, 457 StatesRemovedByMinimization, 12 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.6s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 1614 NumberOfCodeBlocks, 1614 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1600 ConstructedInterpolants, 0 QuantifiedInterpolants, 8072 SizeOfPredicates, 68 NumberOfNonLiveVariables, 4881 ConjunctsInSsa, 171 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 3514/3520 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-26 12:00:31,370 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 12:00:34,016 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 12:00:34,126 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 12:00:34,134 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 12:00:34,135 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 12:00:34,185 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 12:00:34,186 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 12:00:34,186 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 12:00:34,187 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 12:00:34,192 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 12:00:34,193 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 12:00:34,193 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 12:00:34,194 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 12:00:34,196 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 12:00:34,196 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 12:00:34,197 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 12:00:34,198 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 12:00:34,198 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 12:00:34,199 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 12:00:34,200 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 12:00:34,200 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 12:00:34,201 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 12:00:34,202 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 12:00:34,202 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 12:00:34,203 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 12:00:34,203 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 12:00:34,204 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 12:00:34,204 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 12:00:34,204 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 12:00:34,205 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 12:00:34,206 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 12:00:34,207 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 12:00:34,207 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 12:00:34,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:34,208 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 12:00:34,208 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 12:00:34,209 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 12:00:34,209 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 12:00:34,210 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 12:00:34,210 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 12:00:34,210 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 12:00:34,210 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 12:00:34,211 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 12:00:34,211 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 12:00:34,212 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 12:00:34,212 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f7fc08b588cf858e0c335544f00bb02bd00acd3c7c4757ecff13aa4df92c2d34 [2023-11-26 12:00:34,605 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 12:00:34,644 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 12:00:34,647 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 12:00:34,648 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 12:00:34,650 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 12:00:34,653 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i [2023-11-26 12:00:37,880 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 12:00:38,139 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 12:00:38,139 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i [2023-11-26 12:00:38,149 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data/80ee503fd/a44d9819399d41dd830589ced955cbc2/FLAG9d9acc90e [2023-11-26 12:00:38,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/data/80ee503fd/a44d9819399d41dd830589ced955cbc2 [2023-11-26 12:00:38,168 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 12:00:38,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 12:00:38,171 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:38,171 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 12:00:38,181 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 12:00:38,182 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,183 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cbd0ef4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38, skipping insertion in model container [2023-11-26 12:00:38,183 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,227 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 12:00:38,372 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_5941642a-0283-4804-9fa2-39c1289734b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2023-11-26 12:00:38,429 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:38,461 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 12:00:38,502 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_5941642a-0283-4804-9fa2-39c1289734b4/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-79.i[916,929] [2023-11-26 12:00:38,608 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 12:00:38,653 INFO L206 MainTranslator]: Completed translation [2023-11-26 12:00:38,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38 WrapperNode [2023-11-26 12:00:38,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 12:00:38,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:38,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 12:00:38,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 12:00:38,663 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,701 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,752 INFO L138 Inliner]: procedures = 39, calls = 126, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 344 [2023-11-26 12:00:38,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 12:00:38,753 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 12:00:38,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 12:00:38,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 12:00:38,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,774 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,794 INFO L175 MemorySlicer]: Split 103 memory accesses to 2 slices as follows [2, 101]. 98 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 11]. The 15 writes are split as follows [0, 15]. [2023-11-26 12:00:38,795 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,795 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,818 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,824 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,832 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,839 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 12:00:38,840 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 12:00:38,841 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 12:00:38,841 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 12:00:38,842 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (1/1) ... [2023-11-26 12:00:38,849 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 12:00:38,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 12:00:38,885 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 12:00:38,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 12:00:38,935 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 12:00:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 12:00:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 12:00:38,936 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 12:00:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 12:00:38,938 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 12:00:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 12:00:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 12:00:38,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 12:00:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 12:00:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 12:00:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 12:00:38,940 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 12:00:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 12:00:38,941 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 12:00:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 12:00:38,942 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 12:00:38,943 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 12:00:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 12:00:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 12:00:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 12:00:38,944 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 12:00:38,945 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 12:00:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 12:00:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 12:00:38,946 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 12:00:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 12:00:38,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 12:00:38,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 12:00:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 12:00:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 12:00:38,948 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 12:00:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 12:00:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 12:00:38,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 12:00:39,126 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 12:00:39,128 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 12:00:40,357 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 12:00:40,443 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 12:00:40,444 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 12:00:40,445 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:40 BoogieIcfgContainer [2023-11-26 12:00:40,445 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 12:00:40,447 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 12:00:40,447 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 12:00:40,451 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 12:00:40,451 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 12:00:38" (1/3) ... [2023-11-26 12:00:40,452 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bbf4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:40, skipping insertion in model container [2023-11-26 12:00:40,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 12:00:38" (2/3) ... [2023-11-26 12:00:40,453 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30bbf4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 12:00:40, skipping insertion in model container [2023-11-26 12:00:40,453 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 12:00:40" (3/3) ... [2023-11-26 12:00:40,455 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-79.i [2023-11-26 12:00:40,476 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 12:00:40,476 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 12:00:40,531 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 12:00:40,539 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=PETRI_NET, 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;@2016b128, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 12:00:40,539 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 12:00:40,545 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 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) [2023-11-26 12:00:40,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-26 12:00:40,559 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:40,560 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] [2023-11-26 12:00:40,561 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:40,567 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:40,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1192607984, now seen corresponding path program 1 times [2023-11-26 12:00:40,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:40,584 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [288099409] [2023-11-26 12:00:40,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:40,585 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:40,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:40,589 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:00:40,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-26 12:00:40,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:41,018 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 12:00:41,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:41,093 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2023-11-26 12:00:41,094 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:41,095 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:41,095 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [288099409] [2023-11-26 12:00:41,096 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [288099409] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:41,097 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:41,097 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 12:00:41,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [377307279] [2023-11-26 12:00:41,100 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:41,106 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 12:00:41,107 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:41,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 12:00:41,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:41,148 INFO L87 Difference]: Start difference. First operand has 84 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 71 states have internal predecessors, (103), 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 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-26 12:00:41,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:41,225 INFO L93 Difference]: Finished difference Result 165 states and 259 transitions. [2023-11-26 12:00:41,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 12:00:41,227 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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 95 [2023-11-26 12:00:41,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:41,237 INFO L225 Difference]: With dead ends: 165 [2023-11-26 12:00:41,238 INFO L226 Difference]: Without dead ends: 82 [2023-11-26 12:00:41,242 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 12:00:41,247 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 116 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:41,250 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 116 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:41,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-26 12:00:41,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-26 12:00:41,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 69 states have (on average 1.4202898550724639) internal successors, (98), 69 states have internal predecessors, (98), 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) [2023-11-26 12:00:41,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 120 transitions. [2023-11-26 12:00:41,310 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 120 transitions. Word has length 95 [2023-11-26 12:00:41,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:41,310 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 120 transitions. [2023-11-26 12:00:41,311 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 23.5) internal successors, (47), 2 states have internal predecessors, (47), 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) [2023-11-26 12:00:41,311 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 120 transitions. [2023-11-26 12:00:41,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2023-11-26 12:00:41,319 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:41,320 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] [2023-11-26 12:00:41,332 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:41,525 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:41,526 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:41,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:41,527 INFO L85 PathProgramCache]: Analyzing trace with hash -1690528010, now seen corresponding path program 1 times [2023-11-26 12:00:41,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:41,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [169820270] [2023-11-26 12:00:41,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:41,528 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:41,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:41,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:00:41,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-26 12:00:41,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:41,860 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 12:00:41,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:41,930 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:41,931 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:41,932 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:41,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [169820270] [2023-11-26 12:00:41,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [169820270] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:41,938 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:41,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 12:00:41,939 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1882906928] [2023-11-26 12:00:41,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:41,943 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 12:00:41,944 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:41,945 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 12:00:41,945 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 12:00:41,947 INFO L87 Difference]: Start difference. First operand 82 states and 120 transitions. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-26 12:00:42,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:42,050 INFO L93 Difference]: Finished difference Result 180 states and 264 transitions. [2023-11-26 12:00:42,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 12:00:42,052 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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 95 [2023-11-26 12:00:42,052 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:42,054 INFO L225 Difference]: With dead ends: 180 [2023-11-26 12:00:42,054 INFO L226 Difference]: Without dead ends: 99 [2023-11-26 12:00:42,055 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:42,057 INFO L413 NwaCegarLoop]: 126 mSDtfsCounter, 40 mSDsluCounter, 225 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:42,058 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 351 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 12:00:42,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 99 states. [2023-11-26 12:00:42,068 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 99 to 84. [2023-11-26 12:00:42,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 71 states have (on average 1.408450704225352) internal successors, (100), 71 states have internal predecessors, (100), 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) [2023-11-26 12:00:42,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 122 transitions. [2023-11-26 12:00:42,071 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 122 transitions. Word has length 95 [2023-11-26 12:00:42,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:42,074 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 122 transitions. [2023-11-26 12:00:42,074 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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) [2023-11-26 12:00:42,074 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 122 transitions. [2023-11-26 12:00:42,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2023-11-26 12:00:42,076 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:42,077 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] [2023-11-26 12:00:42,085 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:42,283 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:42,284 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:42,284 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:42,285 INFO L85 PathProgramCache]: Analyzing trace with hash -902648421, now seen corresponding path program 1 times [2023-11-26 12:00:42,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:42,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [31421395] [2023-11-26 12:00:42,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:42,287 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:42,288 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:42,290 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:00:42,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-26 12:00:42,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:42,570 INFO L262 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:42,575 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:42,652 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 22 treesize of output 10 [2023-11-26 12:00:42,775 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:42,776 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:42,776 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:42,776 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [31421395] [2023-11-26 12:00:42,776 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [31421395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:42,776 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:42,776 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:42,777 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024511417] [2023-11-26 12:00:42,777 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:42,777 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:42,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:42,778 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:42,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:42,779 INFO L87 Difference]: Start difference. First operand 84 states and 122 transitions. Second operand has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2023-11-26 12:00:48,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:48,588 INFO L93 Difference]: Finished difference Result 255 states and 370 transitions. [2023-11-26 12:00:48,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-26 12:00:48,589 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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 97 [2023-11-26 12:00:48,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:48,591 INFO L225 Difference]: With dead ends: 255 [2023-11-26 12:00:48,591 INFO L226 Difference]: Without dead ends: 172 [2023-11-26 12:00:48,592 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2023-11-26 12:00:48,593 INFO L413 NwaCegarLoop]: 158 mSDtfsCounter, 138 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 273 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 478 SdHoareTripleChecker+Invalid, 286 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 273 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.7s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:48,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 478 Invalid, 286 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 273 Invalid, 0 Unknown, 0 Unchecked, 5.7s Time] [2023-11-26 12:00:48,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2023-11-26 12:00:48,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 86. [2023-11-26 12:00:48,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 73 states have (on average 1.3972602739726028) internal successors, (102), 73 states have internal predecessors, (102), 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) [2023-11-26 12:00:48,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 124 transitions. [2023-11-26 12:00:48,606 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 124 transitions. Word has length 97 [2023-11-26 12:00:48,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:48,607 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 124 transitions. [2023-11-26 12:00:48,607 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.0) internal successors, (45), 5 states have internal predecessors, (45), 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) [2023-11-26 12:00:48,608 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 124 transitions. [2023-11-26 12:00:48,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:00:48,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:48,610 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] [2023-11-26 12:00:48,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2023-11-26 12:00:48,817 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:48,817 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:48,818 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:48,818 INFO L85 PathProgramCache]: Analyzing trace with hash -182811812, now seen corresponding path program 1 times [2023-11-26 12:00:48,819 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:48,819 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1586634132] [2023-11-26 12:00:48,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:48,819 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:48,821 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:00:48,836 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-26 12:00:49,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 12:00:49,057 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:49,086 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2023-11-26 12:00:49,087 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 12:00:49,087 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 12:00:49,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1586634132] [2023-11-26 12:00:49,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1586634132] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 12:00:49,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 12:00:49,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 12:00:49,088 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631157381] [2023-11-26 12:00:49,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 12:00:49,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 12:00:49,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 12:00:49,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 12:00:49,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 12:00:49,090 INFO L87 Difference]: Start difference. First operand 86 states and 124 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (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) [2023-11-26 12:00:49,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 12:00:49,198 INFO L93 Difference]: Finished difference Result 180 states and 259 transitions. [2023-11-26 12:00:49,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 12:00:49,200 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (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 98 [2023-11-26 12:00:49,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 12:00:49,202 INFO L225 Difference]: With dead ends: 180 [2023-11-26 12:00:49,203 INFO L226 Difference]: Without dead ends: 95 [2023-11-26 12:00:49,204 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2023-11-26 12:00:49,205 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 10 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 440 SdHoareTripleChecker+Invalid, 40 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 12:00:49,205 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 440 Invalid, 40 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 12:00:49,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-26 12:00:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 90. [2023-11-26 12:00:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 90 states, 77 states have (on average 1.3766233766233766) internal successors, (106), 77 states have internal predecessors, (106), 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) [2023-11-26 12:00:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 90 states and 128 transitions. [2023-11-26 12:00:49,222 INFO L78 Accepts]: Start accepts. Automaton has 90 states and 128 transitions. Word has length 98 [2023-11-26 12:00:49,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 12:00:49,223 INFO L495 AbstractCegarLoop]: Abstraction has 90 states and 128 transitions. [2023-11-26 12:00:49,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (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) [2023-11-26 12:00:49,224 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 128 transitions. [2023-11-26 12:00:49,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 12:00:49,230 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 12:00:49,230 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] [2023-11-26 12:00:49,241 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2023-11-26 12:00:49,436 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:49,436 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 12:00:49,436 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 12:00:49,437 INFO L85 PathProgramCache]: Analyzing trace with hash -182752230, now seen corresponding path program 1 times [2023-11-26 12:00:49,437 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 12:00:49,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [803749506] [2023-11-26 12:00:49,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 12:00:49,437 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-26 12:00:49,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 12:00:49,441 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-26 12:00:49,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5941642a-0283-4804-9fa2-39c1289734b4/bin/uautomizer-verify-VRDe98Ueme/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-26 12:00:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 12:00:49,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-26 12:00:49,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 12:00:49,798 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 1 [2023-11-26 12:00:50,054 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 37 treesize of output 30 [2023-11-26 12:00:50,332 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:50,332 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 52 treesize of output 33 [2023-11-26 12:00:50,562 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:50,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 58 treesize of output 43 [2023-11-26 12:00:54,884 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:00:54,885 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 68 treesize of output 56 [2023-11-26 12:01:03,268 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:01:03,269 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 59 [2023-11-26 12:01:03,564 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 12:01:03,565 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 72 treesize of output 59