./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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_616f5a3c-d082-4260-bfd0-914af9957c07/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 d61878ad7bbd2e78c0c21aa8a02e9f4c78650f9979388720421c5a099639b1a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:11,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:11,479 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:41:11,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:11,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:11,534 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:11,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:11,535 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:11,537 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:11,542 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:11,543 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:11,544 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:11,545 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:11,547 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:11,548 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:11,549 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:11,549 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:11,550 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:11,550 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:41:11,551 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:11,552 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:11,552 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:11,553 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:11,553 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:11,554 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:11,555 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:11,555 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:11,556 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:11,557 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:11,557 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:11,559 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:11,559 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:11,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:11,560 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:11,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:11,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:41:11,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:41:11,562 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:11,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:11,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:11,563 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:11,563 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:11,564 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_616f5a3c-d082-4260-bfd0-914af9957c07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61878ad7bbd2e78c0c21aa8a02e9f4c78650f9979388720421c5a099639b1a0 [2023-11-26 10:41:11,869 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:11,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:11,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:11,907 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:11,907 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:11,908 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i [2023-11-26 10:41:15,067 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:15,363 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:15,364 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i [2023-11-26 10:41:15,374 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data/fba09a8c4/de9abc098b034c4d9448e9bcb78b5eea/FLAG42f249260 [2023-11-26 10:41:15,390 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data/fba09a8c4/de9abc098b034c4d9448e9bcb78b5eea [2023-11-26 10:41:15,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:15,394 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:15,396 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:15,396 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:15,402 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:15,403 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,404 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a605ad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15, skipping insertion in model container [2023-11-26 10:41:15,405 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,455 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:15,680 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_616f5a3c-d082-4260-bfd0-914af9957c07/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i[916,929] [2023-11-26 10:41:15,791 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:15,810 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:15,842 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_616f5a3c-d082-4260-bfd0-914af9957c07/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i[916,929] [2023-11-26 10:41:15,905 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:15,933 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:15,939 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15 WrapperNode [2023-11-26 10:41:15,939 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:15,940 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:15,941 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:15,941 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:15,949 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:15,969 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,014 INFO L138 Inliner]: procedures = 29, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 347 [2023-11-26 10:41:16,015 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:16,016 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:16,016 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:16,016 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:16,044 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,051 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,074 INFO L175 MemorySlicer]: Split 106 memory accesses to 2 slices as follows [2, 104]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 16 writes are split as follows [0, 16]. [2023-11-26 10:41:16,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,096 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,101 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,104 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,107 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:16,113 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:16,114 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:16,114 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:16,115 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (1/1) ... [2023-11-26 10:41:16,121 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:16,147 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:16,161 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:16,196 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:16,207 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#0 [2023-11-26 10:41:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure read~real#1 [2023-11-26 10:41:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-26 10:41:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-26 10:41:16,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#0 [2023-11-26 10:41:16,210 INFO L130 BoogieDeclarations]: Found specification of procedure write~real#1 [2023-11-26 10:41:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-26 10:41:16,212 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-26 10:41:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#0 [2023-11-26 10:41:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real#1 [2023-11-26 10:41:16,213 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:41:16,213 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:41:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:41:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-26 10:41:16,214 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:16,214 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:16,373 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:16,379 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:16,905 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:16,942 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:16,942 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:41:16,943 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:16 BoogieIcfgContainer [2023-11-26 10:41:16,943 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:16,945 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:16,945 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:16,949 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:16,949 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:15" (1/3) ... [2023-11-26 10:41:16,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4509afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:16, skipping insertion in model container [2023-11-26 10:41:16,950 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:15" (2/3) ... [2023-11-26 10:41:16,950 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4509afb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:16, skipping insertion in model container [2023-11-26 10:41:16,951 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:16" (3/3) ... [2023-11-26 10:41:16,952 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-67.i [2023-11-26 10:41:16,972 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:16,973 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:17,043 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:17,050 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;@2b5e61c1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:17,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:17,057 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:17,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 10:41:17,089 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:17,090 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:17,096 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:17,102 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:17,105 INFO L85 PathProgramCache]: Analyzing trace with hash -1742503419, now seen corresponding path program 1 times [2023-11-26 10:41:17,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:17,124 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62201426] [2023-11-26 10:41:17,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:17,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:17,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:17,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62201426] [2023-11-26 10:41:17,421 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: Unsupported non-linear arithmetic [2023-11-26 10:41:17,421 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [143855541] [2023-11-26 10:41:17,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:17,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:17,422 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:17,432 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:17,468 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 10:41:17,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:17,788 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:41:17,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:17,869 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2023-11-26 10:41:17,869 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:17,870 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [143855541] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:17,870 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:17,870 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:41:17,879 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [551514008] [2023-11-26 10:41:17,881 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:17,886 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:41:17,886 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:17,929 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:41:17,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:17,932 INFO L87 Difference]: Start difference. First operand has 84 states, 69 states have (on average 1.4492753623188406) internal successors, (100), 70 states have internal predecessors, (100), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:41:18,004 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:18,005 INFO L93 Difference]: Finished difference Result 165 states and 258 transitions. [2023-11-26 10:41:18,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:41:18,008 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) Word has length 99 [2023-11-26 10:41:18,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:18,019 INFO L225 Difference]: With dead ends: 165 [2023-11-26 10:41:18,019 INFO L226 Difference]: Without dead ends: 82 [2023-11-26 10:41:18,025 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:18,029 INFO L413 NwaCegarLoop]: 115 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, 115 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 10:41:18,031 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 115 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:18,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2023-11-26 10:41:18,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2023-11-26 10:41:18,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 68 states have (on average 1.3970588235294117) internal successors, (95), 68 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:18,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 119 transitions. [2023-11-26 10:41:18,087 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 119 transitions. Word has length 99 [2023-11-26 10:41:18,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:18,088 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 119 transitions. [2023-11-26 10:41:18,088 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.0) internal successors, (44), 2 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:41:18,088 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 119 transitions. [2023-11-26 10:41:18,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 10:41:18,095 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:18,095 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:18,106 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:18,302 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2023-11-26 10:41:18,302 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:18,303 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:18,303 INFO L85 PathProgramCache]: Analyzing trace with hash 2124699737, now seen corresponding path program 1 times [2023-11-26 10:41:18,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:18,304 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [501847659] [2023-11-26 10:41:18,304 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:18,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:18,413 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:18,414 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [402537590] [2023-11-26 10:41:18,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:18,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:18,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:18,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:18,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-26 10:41:18,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:18,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 366 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:41:18,688 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:18,776 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:18,777 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:18,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:18,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [501847659] [2023-11-26 10:41:18,779 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:18,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [402537590] [2023-11-26 10:41:18,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [402537590] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:18,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:18,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:41:18,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1646527577] [2023-11-26 10:41:18,781 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:18,784 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:41:18,784 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:18,785 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:41:18,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:41:18,786 INFO L87 Difference]: Start difference. First operand 82 states and 119 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:18,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:18,905 INFO L93 Difference]: Finished difference Result 175 states and 254 transitions. [2023-11-26 10:41:18,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:41:18,909 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 10:41:18,910 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:18,915 INFO L225 Difference]: With dead ends: 175 [2023-11-26 10:41:18,915 INFO L226 Difference]: Without dead ends: 94 [2023-11-26 10:41:18,920 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 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 10:41:18,924 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 21 mSDsluCounter, 224 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:18,925 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 336 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:18,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-26 10:41:18,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 84. [2023-11-26 10:41:18,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 70 states have (on average 1.3857142857142857) internal successors, (97), 70 states have internal predecessors, (97), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 121 transitions. [2023-11-26 10:41:18,956 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 121 transitions. Word has length 99 [2023-11-26 10:41:18,961 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:18,961 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 121 transitions. [2023-11-26 10:41:18,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:18,965 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 121 transitions. [2023-11-26 10:41:18,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 10:41:18,968 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:18,969 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:18,975 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:19,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:19,172 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:19,172 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:19,173 INFO L85 PathProgramCache]: Analyzing trace with hash 1315353111, now seen corresponding path program 1 times [2023-11-26 10:41:19,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:19,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105769246] [2023-11-26 10:41:19,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:19,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:19,254 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:19,260 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [170666388] [2023-11-26 10:41:19,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:19,261 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:19,261 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:19,262 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:19,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2023-11-26 10:41:19,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:19,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-26 10:41:19,501 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:19,551 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:19,551 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:19,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105769246] [2023-11-26 10:41:19,552 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:19,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [170666388] [2023-11-26 10:41:19,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [170666388] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:19,553 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:19,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:41:19,554 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [188693088] [2023-11-26 10:41:19,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:19,556 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:41:19,556 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:19,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:41:19,558 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:41:19,558 INFO L87 Difference]: Start difference. First operand 84 states and 121 transitions. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:19,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:19,636 INFO L93 Difference]: Finished difference Result 175 states and 252 transitions. [2023-11-26 10:41:19,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-26 10:41:19,637 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 10:41:19,639 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:19,642 INFO L225 Difference]: With dead ends: 175 [2023-11-26 10:41:19,643 INFO L226 Difference]: Without dead ends: 92 [2023-11-26 10:41:19,645 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 99 GetRequests, 96 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 10:41:19,653 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 12 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 334 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:19,658 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 334 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:19,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2023-11-26 10:41:19,674 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 86. [2023-11-26 10:41:19,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 72 states have (on average 1.375) internal successors, (99), 72 states have internal predecessors, (99), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:19,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 123 transitions. [2023-11-26 10:41:19,676 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 123 transitions. Word has length 99 [2023-11-26 10:41:19,677 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:19,677 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 123 transitions. [2023-11-26 10:41:19,677 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:19,678 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 123 transitions. [2023-11-26 10:41:19,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 10:41:19,682 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:19,683 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:19,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:19,895 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:19,896 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:19,896 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:19,897 INFO L85 PathProgramCache]: Analyzing trace with hash 1372611413, now seen corresponding path program 1 times [2023-11-26 10:41:19,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:19,897 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [92291117] [2023-11-26 10:41:19,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:19,897 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:19,997 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:19,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [404573188] [2023-11-26 10:41:19,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:19,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:19,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:20,004 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:20,024 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2023-11-26 10:41:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:20,682 INFO L262 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 82 conjunts are in the unsatisfiable core [2023-11-26 10:41:20,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:20,796 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:20,797 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 61 treesize of output 29 [2023-11-26 10:41:21,065 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 32 treesize of output 16 [2023-11-26 10:41:21,629 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:21,629 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 48 treesize of output 31 [2023-11-26 10:41:21,972 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:21,974 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 48 treesize of output 31 [2023-11-26 10:41:22,150 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:22,151 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 48 treesize of output 31 [2023-11-26 10:41:22,442 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:22,443 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 48 treesize of output 31 [2023-11-26 10:41:22,647 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 120 treesize of output 84 [2023-11-26 10:41:22,656 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 2 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 84 treesize of output 92 [2023-11-26 10:41:22,804 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 72 treesize of output 55 [2023-11-26 10:41:23,345 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:23,346 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 161 treesize of output 91 [2023-11-26 10:41:23,449 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 172 treesize of output 131 [2023-11-26 10:41:23,465 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 21 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 132 treesize of output 105 [2023-11-26 10:41:23,822 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:23,822 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 172 treesize of output 108 [2023-11-26 10:41:24,055 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:24,056 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 290 treesize of output 142 [2023-11-26 10:41:24,534 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 68 proven. 105 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2023-11-26 10:41:24,534 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:25,236 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:25,236 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:25,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [92291117] [2023-11-26 10:41:25,237 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:25,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [404573188] [2023-11-26 10:41:25,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [404573188] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:25,237 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:41:25,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [27] total 32 [2023-11-26 10:41:25,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67044304] [2023-11-26 10:41:25,238 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:25,239 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:41:25,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:25,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:41:25,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=187, Invalid=805, Unknown=0, NotChecked=0, Total=992 [2023-11-26 10:41:25,242 INFO L87 Difference]: Start difference. First operand 86 states and 123 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:25,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:25,970 INFO L93 Difference]: Finished difference Result 253 states and 362 transitions. [2023-11-26 10:41:25,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:41:25,972 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 10:41:25,972 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:25,974 INFO L225 Difference]: With dead ends: 253 [2023-11-26 10:41:25,974 INFO L226 Difference]: Without dead ends: 168 [2023-11-26 10:41:25,975 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 166 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 308 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=206, Invalid=984, Unknown=0, NotChecked=0, Total=1190 [2023-11-26 10:41:25,976 INFO L413 NwaCegarLoop]: 111 mSDtfsCounter, 263 mSDsluCounter, 370 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 263 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:25,977 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [263 Valid, 481 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2023-11-26 10:41:25,978 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2023-11-26 10:41:25,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 103. [2023-11-26 10:41:25,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.404494382022472) internal successors, (125), 89 states have internal predecessors, (125), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:25,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 149 transitions. [2023-11-26 10:41:25,998 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 149 transitions. Word has length 99 [2023-11-26 10:41:26,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:26,001 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 149 transitions. [2023-11-26 10:41:26,005 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 7 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:26,005 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 149 transitions. [2023-11-26 10:41:26,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2023-11-26 10:41:26,014 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:26,015 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:26,029 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:26,215 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:26,216 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:26,216 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,216 INFO L85 PathProgramCache]: Analyzing trace with hash 1591466131, now seen corresponding path program 1 times [2023-11-26 10:41:26,216 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,216 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2116051136] [2023-11-26 10:41:26,216 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,261 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:26,261 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2047854378] [2023-11-26 10:41:26,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:26,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:26,263 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:26,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2023-11-26 10:41:26,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:26,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 350 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 10:41:26,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:26,500 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:26,500 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:26,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:26,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2116051136] [2023-11-26 10:41:26,501 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:26,501 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2047854378] [2023-11-26 10:41:26,501 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2047854378] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:26,501 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:26,501 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:26,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [123796572] [2023-11-26 10:41:26,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:26,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:41:26,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:26,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:41:26,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:26,504 INFO L87 Difference]: Start difference. First operand 103 states and 149 transitions. Second operand has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:26,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:26,530 INFO L93 Difference]: Finished difference Result 239 states and 342 transitions. [2023-11-26 10:41:26,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:41:26,530 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 99 [2023-11-26 10:41:26,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:26,532 INFO L225 Difference]: With dead ends: 239 [2023-11-26 10:41:26,532 INFO L226 Difference]: Without dead ends: 137 [2023-11-26 10:41:26,533 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:41:26,534 INFO L413 NwaCegarLoop]: 178 mSDtfsCounter, 58 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 288 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:26,534 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 288 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:26,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2023-11-26 10:41:26,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 101. [2023-11-26 10:41:26,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 87 states have (on average 1.3908045977011494) internal successors, (121), 87 states have internal predecessors, (121), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:26,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 145 transitions. [2023-11-26 10:41:26,543 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 145 transitions. Word has length 99 [2023-11-26 10:41:26,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:26,544 INFO L495 AbstractCegarLoop]: Abstraction has 101 states and 145 transitions. [2023-11-26 10:41:26,544 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:26,545 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 145 transitions. [2023-11-26 10:41:26,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-26 10:41:26,546 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:26,546 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:26,558 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:26,752 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:26,753 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:26,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:26,753 INFO L85 PathProgramCache]: Analyzing trace with hash 1771000902, now seen corresponding path program 1 times [2023-11-26 10:41:26,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:26,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494045400] [2023-11-26 10:41:26,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:26,818 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:26,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1552254402] [2023-11-26 10:41:26,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:26,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:26,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:26,821 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:26,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2023-11-26 10:41:27,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:27,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-26 10:41:27,034 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:27,071 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:27,072 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 38 treesize of output 25 [2023-11-26 10:41:27,095 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:27,095 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 60 treesize of output 43 [2023-11-26 10:41:27,127 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:27,127 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 53 treesize of output 46 [2023-11-26 10:41:27,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:27,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 50 treesize of output 18 [2023-11-26 10:41:27,178 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:27,178 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:27,179 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:27,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494045400] [2023-11-26 10:41:27,179 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:27,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1552254402] [2023-11-26 10:41:27,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1552254402] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:27,179 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:27,180 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:41:27,180 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999550195] [2023-11-26 10:41:27,180 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:27,181 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:41:27,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:27,182 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:41:27,182 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:41:27,183 INFO L87 Difference]: Start difference. First operand 101 states and 145 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:27,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:27,575 INFO L93 Difference]: Finished difference Result 308 states and 436 transitions. [2023-11-26 10:41:27,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:41:27,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-26 10:41:27,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:27,578 INFO L225 Difference]: With dead ends: 308 [2023-11-26 10:41:27,578 INFO L226 Difference]: Without dead ends: 208 [2023-11-26 10:41:27,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:41:27,579 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 188 mSDsluCounter, 242 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 325 SdHoareTripleChecker+Invalid, 234 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:27,579 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 325 Invalid, 234 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:41:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2023-11-26 10:41:27,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 168. [2023-11-26 10:41:27,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 151 states have (on average 1.403973509933775) internal successors, (212), 152 states have internal predecessors, (212), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 13 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 10:41:27,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 240 transitions. [2023-11-26 10:41:27,607 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 240 transitions. Word has length 103 [2023-11-26 10:41:27,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:27,608 INFO L495 AbstractCegarLoop]: Abstraction has 168 states and 240 transitions. [2023-11-26 10:41:27,608 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:27,608 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 240 transitions. [2023-11-26 10:41:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-26 10:41:27,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:27,610 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:27,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:27,816 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:27,817 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:27,817 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:27,817 INFO L85 PathProgramCache]: Analyzing trace with hash 491137224, now seen corresponding path program 1 times [2023-11-26 10:41:27,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:27,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2107314954] [2023-11-26 10:41:27,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:27,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:27,852 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:27,852 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [199574304] [2023-11-26 10:41:27,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:27,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:27,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:27,854 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:27,886 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2023-11-26 10:41:28,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:28,087 INFO L262 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-26 10:41:28,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:28,111 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 19 treesize of output 19 [2023-11-26 10:41:28,138 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:28,138 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 57 treesize of output 31 [2023-11-26 10:41:28,165 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:28,165 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 50 treesize of output 34 [2023-11-26 10:41:28,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:28,213 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 79 treesize of output 31 [2023-11-26 10:41:28,254 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 12 proven. 21 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2023-11-26 10:41:28,254 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:28,377 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:28,377 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:41:28,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2107314954] [2023-11-26 10:41:28,377 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2023-11-26 10:41:28,377 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [199574304] [2023-11-26 10:41:28,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [199574304] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:28,378 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:41:28,378 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 11 [2023-11-26 10:41:28,378 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074588538] [2023-11-26 10:41:28,378 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:28,379 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:41:28,379 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:41:28,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:41:28,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2023-11-26 10:41:28,380 INFO L87 Difference]: Start difference. First operand 168 states and 240 transitions. Second operand has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:28,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:28,811 INFO L93 Difference]: Finished difference Result 508 states and 720 transitions. [2023-11-26 10:41:28,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:41:28,812 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 103 [2023-11-26 10:41:28,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:28,816 INFO L225 Difference]: With dead ends: 508 [2023-11-26 10:41:28,816 INFO L226 Difference]: Without dead ends: 341 [2023-11-26 10:41:28,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 208 GetRequests, 195 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:41:28,818 INFO L413 NwaCegarLoop]: 112 mSDtfsCounter, 178 mSDsluCounter, 406 mSDsCounter, 0 mSdLazyCounter, 223 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 223 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:28,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 518 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 223 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2023-11-26 10:41:28,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 341 states. [2023-11-26 10:41:28,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 341 to 300. [2023-11-26 10:41:28,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 300 states, 275 states have (on average 1.3927272727272728) internal successors, (383), 278 states have internal predecessors, (383), 20 states have call successors, (20), 4 states have call predecessors, (20), 4 states have return successors, (20), 17 states have call predecessors, (20), 20 states have call successors, (20) [2023-11-26 10:41:28,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 423 transitions. [2023-11-26 10:41:28,837 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 423 transitions. Word has length 103 [2023-11-26 10:41:28,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:28,838 INFO L495 AbstractCegarLoop]: Abstraction has 300 states and 423 transitions. [2023-11-26 10:41:28,838 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.666666666666667) internal successors, (46), 6 states have internal predecessors, (46), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:28,838 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 423 transitions. [2023-11-26 10:41:28,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2023-11-26 10:41:28,840 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:28,840 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:28,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2023-11-26 10:41:29,047 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:29,047 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:29,048 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:29,048 INFO L85 PathProgramCache]: Analyzing trace with hash 372971011, now seen corresponding path program 1 times [2023-11-26 10:41:29,048 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:41:29,049 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620972197] [2023-11-26 10:41:29,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:29,049 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:41:29,095 ERROR L246 FreeRefinementEngine]: Caught known exception: Unsupported non-linear arithmetic [2023-11-26 10:41:29,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [832044595] [2023-11-26 10:41:29,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:29,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:29,096 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:29,097 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 10:41:29,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2023-11-26 10:41:29,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:29,927 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-26 10:41:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-26 10:41:30,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2023-11-26 10:41:30,340 INFO L360 BasicCegarLoop]: Counterexample is feasible [2023-11-26 10:41:30,341 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:41:30,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:30,554 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,9 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 10:41:30,558 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:41:30,562 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:41:30,613 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated [2023-11-26 10:41:30,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated [2023-11-26 10:41:30,615 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated [2023-11-26 10:41:30,616 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated [2023-11-26 10:41:30,617 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated [2023-11-26 10:41:30,618 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated [2023-11-26 10:41:30,619 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated [2023-11-26 10:41:30,620 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated [2023-11-26 10:41:30,621 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated [2023-11-26 10:41:30,622 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated [2023-11-26 10:41:30,623 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated [2023-11-26 10:41:30,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 10:41:30,624 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-26 10:41:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 10:41:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-26 10:41:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-26 10:41:30,625 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 10:41:30,626 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-26 10:41:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated [2023-11-26 10:41:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated [2023-11-26 10:41:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated [2023-11-26 10:41:30,627 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated [2023-11-26 10:41:30,628 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated [2023-11-26 10:41:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated [2023-11-26 10:41:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated [2023-11-26 10:41:30,629 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite12 could not be translated [2023-11-26 10:41:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated [2023-11-26 10:41:30,630 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated [2023-11-26 10:41:30,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,631 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,632 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,633 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,634 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,635 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 10:41:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:41:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,636 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,637 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 10:41:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:41:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,638 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:41:30,639 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 10:41:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 10:41:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:41:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,640 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 10:41:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:41:30,641 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:41:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 10:41:30,642 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,643 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 10:41:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,644 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:41:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-26 10:41:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:41:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 10:41:30,645 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 10:41:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 10:41:30,646 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:41:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,647 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 10:41:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:41:30,648 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 10:41:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-26 10:41:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 10:41:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 10:41:30,649 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated [2023-11-26 10:41:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated [2023-11-26 10:41:30,650 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated [2023-11-26 10:41:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated [2023-11-26 10:41:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated [2023-11-26 10:41:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated [2023-11-26 10:41:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated [2023-11-26 10:41:30,651 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated [2023-11-26 10:41:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated [2023-11-26 10:41:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated [2023-11-26 10:41:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated [2023-11-26 10:41:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated [2023-11-26 10:41:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated [2023-11-26 10:41:30,652 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated [2023-11-26 10:41:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated [2023-11-26 10:41:30,653 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated [2023-11-26 10:41:30,675 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:41:30 BoogieIcfgContainer [2023-11-26 10:41:30,676 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:41:30,676 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:41:30,676 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:41:30,677 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:41:30,677 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:16" (3/4) ... [2023-11-26 10:41:30,680 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-26 10:41:30,681 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:41:30,682 INFO L158 Benchmark]: Toolchain (without parser) took 15287.58ms. Allocated memory was 132.1MB in the beginning and 260.0MB in the end (delta: 127.9MB). Free memory was 100.0MB in the beginning and 138.6MB in the end (delta: -38.6MB). Peak memory consumption was 91.7MB. Max. memory is 16.1GB. [2023-11-26 10:41:30,682 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 88.5MB in the beginning and 88.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:30,683 INFO L158 Benchmark]: CACSL2BoogieTranslator took 543.68ms. Allocated memory is still 132.1MB. Free memory was 99.8MB in the beginning and 84.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-26 10:41:30,683 INFO L158 Benchmark]: Boogie Procedure Inliner took 74.90ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 81.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:30,684 INFO L158 Benchmark]: Boogie Preprocessor took 96.89ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 77.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:30,684 INFO L158 Benchmark]: RCFGBuilder took 829.65ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 87.4MB in the end (delta: -10.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-26 10:41:30,685 INFO L158 Benchmark]: TraceAbstraction took 13730.46ms. Allocated memory was 132.1MB in the beginning and 260.0MB in the end (delta: 127.9MB). Free memory was 86.8MB in the beginning and 138.6MB in the end (delta: -51.8MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. [2023-11-26 10:41:30,685 INFO L158 Benchmark]: Witness Printer took 5.00ms. Allocated memory is still 260.0MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:41:30,687 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 132.1MB. Free memory was 88.5MB in the beginning and 88.3MB in the end (delta: 241.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 543.68ms. Allocated memory is still 132.1MB. Free memory was 99.8MB in the beginning and 84.9MB in the end (delta: 14.9MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 74.90ms. Allocated memory is still 132.1MB. Free memory was 84.9MB in the beginning and 81.2MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 96.89ms. Allocated memory is still 132.1MB. Free memory was 81.2MB in the beginning and 77.0MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 829.65ms. Allocated memory is still 132.1MB. Free memory was 77.0MB in the beginning and 87.4MB in the end (delta: -10.4MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 13730.46ms. Allocated memory was 132.1MB in the beginning and 260.0MB in the end (delta: 127.9MB). Free memory was 86.8MB in the beginning and 138.6MB in the end (delta: -51.8MB). Peak memory consumption was 76.2MB. Max. memory is 16.1GB. * Witness Printer took 5.00ms. Allocated memory is still 260.0MB. Free memory is still 138.6MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem33 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem34 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem36 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem37 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem39 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem40 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem42 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem43 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem45 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem46 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem47 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short51 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem50 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short55 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem49 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem8 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet9 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite12 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem10 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem11 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem59 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short97 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet65 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite73 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short106 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem72 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem60 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short100 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ite62 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem63 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem64 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short103 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem61 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem71 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short74 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~mem66 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 someBinaryFLOATComparisonOperation at line 103, overapproximation of shiftRight at line 111. Possible FailurePath: [L36] unsigned char isInitial = 0; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L37-L50] struct WrapperStruct00 WrapperStruct00 = { 2, -64, 256, 128, 256, 50, 0, -4, 15.125, 0.9, 25.875, 50 }; [L51] signed short int last_1_WrapperStruct00_var_1_1 = 2; [L52] unsigned short int last_1_WrapperStruct00_var_1_6 = 128; [L53] signed long int last_1_WrapperStruct00_var_1_8 = 50; [L115] isInitial = 1 [L116] FCALL initially() [L117] COND TRUE 1 [L118] CALL updateLastVariables() [L106] EXPR WrapperStruct00.var_1_1 [L106] last_1_WrapperStruct00_var_1_1 = WrapperStruct00.var_1_1 [L107] EXPR WrapperStruct00.var_1_6 [L107] last_1_WrapperStruct00_var_1_6 = WrapperStruct00.var_1_6 [L108] EXPR WrapperStruct00.var_1_8 [L108] last_1_WrapperStruct00_var_1_8 = WrapperStruct00.var_1_8 [L118] RET updateLastVariables() [L119] CALL updateVariables() [L86] WrapperStruct00.var_1_4 = __VERIFIER_nondet_short() [L87] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L87] CALL assume_abort_if_not(WrapperStruct00.var_1_4 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L87] RET assume_abort_if_not(WrapperStruct00.var_1_4 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L88] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L88] CALL assume_abort_if_not(WrapperStruct00.var_1_4 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L88] RET assume_abort_if_not(WrapperStruct00.var_1_4 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L89] WrapperStruct00.var_1_5 = __VERIFIER_nondet_short() [L90] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L90] CALL assume_abort_if_not(WrapperStruct00.var_1_5 >= -16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L90] RET assume_abort_if_not(WrapperStruct00.var_1_5 >= -16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L91] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L91] CALL assume_abort_if_not(WrapperStruct00.var_1_5 <= 16383) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L91] RET assume_abort_if_not(WrapperStruct00.var_1_5 <= 16383) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L92] WrapperStruct00.var_1_7 = __VERIFIER_nondet_ushort() [L93] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L93] CALL assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L93] RET assume_abort_if_not(WrapperStruct00.var_1_7 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L94] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L94] CALL assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L94] RET assume_abort_if_not(WrapperStruct00.var_1_7 <= 32767) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L95] WrapperStruct00.var_1_9 = __VERIFIER_nondet_uchar() [L96] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L96] CALL assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L96] RET assume_abort_if_not(WrapperStruct00.var_1_9 >= 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L97] EXPR WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L97] CALL assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L97] RET assume_abort_if_not(WrapperStruct00.var_1_9 <= 1) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L98] WrapperStruct00.var_1_10 = __VERIFIER_nondet_long() [L99] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L99] CALL assume_abort_if_not(WrapperStruct00.var_1_10 >= -2147483648) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L99] RET assume_abort_if_not(WrapperStruct00.var_1_10 >= -2147483648) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L100] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L100] CALL assume_abort_if_not(WrapperStruct00.var_1_10 <= 2147483647) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L100] RET assume_abort_if_not(WrapperStruct00.var_1_10 <= 2147483647) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L101] EXPR WrapperStruct00.var_1_10 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L101] CALL assume_abort_if_not(WrapperStruct00.var_1_10 != 0) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L101] RET assume_abort_if_not(WrapperStruct00.var_1_10 != 0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L102] WrapperStruct00.var_1_12 = __VERIFIER_nondet_float() [L103] EXPR WrapperStruct00.var_1_12 [L103] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L103] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F [L103] EXPR WrapperStruct00.var_1_12 [L103] EXPR WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L103] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L103] EXPR (WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F ) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L103] CALL assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, \old(cond)=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L20] COND FALSE !(!cond) VAL [WrapperStruct00={4:0}, \old(cond)=1, cond=1, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L103] RET assume_abort_if_not((WrapperStruct00.var_1_12 >= -922337.2036854765600e+13F && WrapperStruct00.var_1_12 <= -1.0e-20F) || (WrapperStruct00.var_1_12 <= 9223372.036854765600e+12F && WrapperStruct00.var_1_12 >= 1.0e-20F )) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L119] RET updateVariables() [L120] CALL step() [L57] COND TRUE ! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1) [L58] EXPR WrapperStruct00.var_1_4 [L58] EXPR WrapperStruct00.var_1_5 [L58] WrapperStruct00.var_1_1 = (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5) [L60] EXPR WrapperStruct00.var_1_4 [L60] signed long int stepLocal_0 = 1 * WrapperStruct00.var_1_4; [L61] EXPR WrapperStruct00.var_1_1 [L61] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L61] EXPR WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50, stepLocal_0=-258] [L61] COND TRUE (WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > stepLocal_0 [L62] EXPR WrapperStruct00.var_1_7 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L62] EXPR (((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0) [L62] EXPR WrapperStruct00.var_1_7 [L62] EXPR (((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50, stepLocal_0=-258] [L62] WrapperStruct00.var_1_6 = (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))) [L66] EXPR WrapperStruct00.var_1_12 [L66] WrapperStruct00.var_1_11 = WrapperStruct00.var_1_12 [L67] EXPR WrapperStruct00.var_1_12 [L67] WrapperStruct00.var_1_13 = WrapperStruct00.var_1_12 [L68] EXPR WrapperStruct00.var_1_7 [L68] WrapperStruct00.var_1_14 = WrapperStruct00.var_1_7 [L69] EXPR WrapperStruct00.var_1_4 [L69] EXPR WrapperStruct00.var_1_10 [L69] signed long int stepLocal_2 = WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10; [L70] EXPR WrapperStruct00.var_1_7 [L70] unsigned short int stepLocal_1 = WrapperStruct00.var_1_7; [L71] WrapperStruct00.var_1_9 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L71] COND FALSE !(WrapperStruct00.var_1_9) [L74] EXPR WrapperStruct00.var_1_14 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L74] COND FALSE !(WrapperStruct00.var_1_14 > stepLocal_2) [L81] EXPR WrapperStruct00.var_1_6 [L81] EXPR WrapperStruct00.var_1_5 [L81] WrapperStruct00.var_1_8 = (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5) [L120] RET step() [L121] CALL, EXPR property() [L111] EXPR (! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1 [L111] EXPR WrapperStruct00.var_1_1 [L111] EXPR WrapperStruct00.var_1_4 [L111] EXPR WrapperStruct00.var_1_5 [L111] EXPR (! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7))) [L111] EXPR WrapperStruct00.var_1_1 [L111] EXPR WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR WrapperStruct00.var_1_4 VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)) [L111] EXPR WrapperStruct00.var_1_6 [L111] EXPR WrapperStruct00.var_1_7 [L111] EXPR ((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR (((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR (((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5))))) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR (((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR (((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_12)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_14 == ((unsigned short int) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111] EXPR ((((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_14 == ((unsigned short int) WrapperStruct00.var_1_7)) VAL [WrapperStruct00={4:0}, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L111-L112] return ((((((! (last_1_WrapperStruct00_var_1_6 <= last_1_WrapperStruct00_var_1_1)) ? (WrapperStruct00.var_1_1 == ((signed short int) (WrapperStruct00.var_1_4 + WrapperStruct00.var_1_5))) : 1) && (((WrapperStruct00.var_1_1 >> WrapperStruct00.var_1_5) > (1 * WrapperStruct00.var_1_4)) ? (WrapperStruct00.var_1_6 == ((unsigned short int) (((((42286 - WrapperStruct00.var_1_7)) > (0)) ? ((42286 - WrapperStruct00.var_1_7)) : (0))))) : (WrapperStruct00.var_1_6 == ((unsigned short int) WrapperStruct00.var_1_7)))) && (WrapperStruct00.var_1_9 ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_6) < (last_1_WrapperStruct00_var_1_8)) ? (WrapperStruct00.var_1_6) : (last_1_WrapperStruct00_var_1_8))))) : ((WrapperStruct00.var_1_14 > (WrapperStruct00.var_1_4 / WrapperStruct00.var_1_10)) ? ((WrapperStruct00.var_1_7 > WrapperStruct00.var_1_6) ? (WrapperStruct00.var_1_8 == ((signed long int) ((((WrapperStruct00.var_1_4) < (100)) ? (WrapperStruct00.var_1_4) : (100))))) : (WrapperStruct00.var_1_8 == ((signed long int) (last_1_WrapperStruct00_var_1_8 - WrapperStruct00.var_1_7)))) : (WrapperStruct00.var_1_8 == ((signed long int) (WrapperStruct00.var_1_6 + WrapperStruct00.var_1_5)))))) && (WrapperStruct00.var_1_11 == ((float) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_13 == ((double) WrapperStruct00.var_1_12))) && (WrapperStruct00.var_1_14 == ((unsigned short int) WrapperStruct00.var_1_7)) ; [L121] RET, EXPR property() [L121] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] [L19] reach_error() VAL [WrapperStruct00={4:0}, \old(cond)=0, cond=0, isInitial=1, last_1_WrapperStruct00_var_1_1=2, last_1_WrapperStruct00_var_1_6=128, last_1_WrapperStruct00_var_1_8=50] - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.5s, OverallIterations: 8, TraceHistogramMax: 12, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 720 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 720 mSDsluCounter, 2397 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1574 mSDsCounter, 39 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 767 IncrementalHoareTripleChecker+Invalid, 806 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 39 mSolverCounterUnsat, 823 mSDtfsCounter, 767 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 905 GetRequests, 846 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=300occurred in iteration=7, InterpolantAutomatonStates: 40, 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, 7 MinimizatonAttempts, 198 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.4s SsaConstructionTime, 2.1s SatisfiabilityAnalysisTime, 5.4s InterpolantComputationTime, 905 NumberOfCodeBlocks, 905 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 894 ConstructedInterpolants, 0 QuantifiedInterpolants, 6190 SizeOfPredicates, 38 NumberOfNonLiveVariables, 2552 ConjunctsInSsa, 147 ConjunctsInUnsatCore, 9 InterpolantComputations, 7 PerfectInterpolantSequences, 2250/2376 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 10:41:30,741 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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_616f5a3c-d082-4260-bfd0-914af9957c07/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 d61878ad7bbd2e78c0c21aa8a02e9f4c78650f9979388720421c5a099639b1a0 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:41:33,476 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:41:33,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-26 10:41:33,585 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:41:33,586 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:41:33,613 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:41:33,614 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:41:33,614 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:41:33,615 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:41:33,616 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:41:33,616 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:41:33,617 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:41:33,618 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:41:33,619 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:41:33,619 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:41:33,620 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:41:33,621 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:41:33,621 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:41:33,622 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:41:33,622 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:41:33,623 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:41:33,624 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:41:33,624 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:41:33,625 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-26 10:41:33,625 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-26 10:41:33,626 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-26 10:41:33,626 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:41:33,627 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:41:33,627 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:41:33,628 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:41:33,628 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:41:33,629 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:41:33,629 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:41:33,630 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:33,630 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:41:33,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:41:33,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:41:33,631 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-26 10:41:33,632 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-26 10:41:33,632 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:41:33,632 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:41:33,635 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:41:33,636 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:41:33,636 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:41:33,636 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-26 10:41:33,636 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_616f5a3c-d082-4260-bfd0-914af9957c07/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d61878ad7bbd2e78c0c21aa8a02e9f4c78650f9979388720421c5a099639b1a0 [2023-11-26 10:41:33,981 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:41:34,011 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:41:34,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:41:34,015 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:41:34,017 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:41:34,019 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i [2023-11-26 10:41:37,280 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:41:37,566 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:41:37,567 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i [2023-11-26 10:41:37,577 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data/781b6dc04/5ed01df56b174f8fb395f93dba8ba6da/FLAGb9281e49c [2023-11-26 10:41:37,592 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/data/781b6dc04/5ed01df56b174f8fb395f93dba8ba6da [2023-11-26 10:41:37,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:41:37,597 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:41:37,598 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:37,598 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:41:37,603 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:41:37,604 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:37,605 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@35df3d0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37, skipping insertion in model container [2023-11-26 10:41:37,606 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:37,640 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:41:37,796 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_616f5a3c-d082-4260-bfd0-914af9957c07/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i[916,929] [2023-11-26 10:41:37,852 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:37,867 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:41:37,880 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_616f5a3c-d082-4260-bfd0-914af9957c07/sv-benchmarks/c/hardness-nfm22/hardness_variablewrapping_wrapper-s_file-67.i[916,929] [2023-11-26 10:41:37,922 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:41:37,950 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:41:37,951 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37 WrapperNode [2023-11-26 10:41:37,951 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:41:37,952 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:37,953 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:41:37,953 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:41:37,960 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:37,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,029 INFO L138 Inliner]: procedures = 39, calls = 130, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 335 [2023-11-26 10:41:38,030 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:41:38,031 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:41:38,031 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:41:38,031 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:41:38,043 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,053 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,074 INFO L175 MemorySlicer]: Split 106 memory accesses to 2 slices as follows [2, 104]. 98 percent of accesses are in the largest equivalence class. The 14 initializations are split as follows [2, 12]. The 16 writes are split as follows [0, 16]. [2023-11-26 10:41:38,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,075 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,115 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,120 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,175 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,183 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:41:38,184 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:41:38,184 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:41:38,184 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:41:38,185 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (1/1) ... [2023-11-26 10:41:38,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:41:38,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:41:38,239 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:41:38,271 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:41:38,288 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:41:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#0 [2023-11-26 10:41:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8#1 [2023-11-26 10:41:38,289 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#0 [2023-11-26 10:41:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8#1 [2023-11-26 10:41:38,291 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#0 [2023-11-26 10:41:38,292 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE1#1 [2023-11-26 10:41:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#0 [2023-11-26 10:41:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE2#1 [2023-11-26 10:41:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-26 10:41:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-26 10:41:38,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#0 [2023-11-26 10:41:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4#1 [2023-11-26 10:41:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#0 [2023-11-26 10:41:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4#1 [2023-11-26 10:41:38,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#0 [2023-11-26 10:41:38,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8#1 [2023-11-26 10:41:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-26 10:41:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-26 10:41:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#0 [2023-11-26 10:41:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE2#1 [2023-11-26 10:41:38,296 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#0 [2023-11-26 10:41:38,297 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4#1 [2023-11-26 10:41:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#0 [2023-11-26 10:41:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4#1 [2023-11-26 10:41:38,298 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-26 10:41:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-26 10:41:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:41:38,299 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:41:38,299 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#0 [2023-11-26 10:41:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE1#1 [2023-11-26 10:41:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#0 [2023-11-26 10:41:38,300 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE2#1 [2023-11-26 10:41:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-26 10:41:38,301 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-26 10:41:38,492 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:41:38,494 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:41:39,636 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:41:39,716 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:41:39,723 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 10:41:39,723 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:39 BoogieIcfgContainer [2023-11-26 10:41:39,724 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:41:39,728 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:41:39,729 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:41:39,733 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:41:39,734 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:41:37" (1/3) ... [2023-11-26 10:41:39,735 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e149197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:39, skipping insertion in model container [2023-11-26 10:41:39,736 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:41:37" (2/3) ... [2023-11-26 10:41:39,738 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7e149197 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:41:39, skipping insertion in model container [2023-11-26 10:41:39,738 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:41:39" (3/3) ... [2023-11-26 10:41:39,740 INFO L112 eAbstractionObserver]: Analyzing ICFG hardness_variablewrapping_wrapper-s_file-67.i [2023-11-26 10:41:39,765 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:41:39,765 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:41:39,840 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:41:39,850 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;@2ae973f5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:41:39,850 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:41:39,855 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 67 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:39,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:41:39,868 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:39,869 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:39,870 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:39,875 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:39,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1890209993, now seen corresponding path program 1 times [2023-11-26 10:41:39,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:39,891 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [66276595] [2023-11-26 10:41:39,891 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:39,892 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 10:41:39,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:39,928 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:39,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:40,309 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-26 10:41:40,319 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:40,375 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2023-11-26 10:41:40,378 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:40,379 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:40,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [66276595] [2023-11-26 10:41:40,380 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [66276595] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:40,380 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:40,381 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:41:40,383 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009741574] [2023-11-26 10:41:40,383 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:40,389 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:41:40,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:40,420 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:41:40,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:41:40,423 INFO L87 Difference]: Start difference. First operand has 81 states, 66 states have (on average 1.4393939393939394) internal successors, (95), 67 states have internal predecessors, (95), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:41:40,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:40,492 INFO L93 Difference]: Finished difference Result 159 states and 248 transitions. [2023-11-26 10:41:40,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:41:40,495 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-11-26 10:41:40,496 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:40,509 INFO L225 Difference]: With dead ends: 159 [2023-11-26 10:41:40,509 INFO L226 Difference]: Without dead ends: 79 [2023-11-26 10:41:40,515 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 97 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 10:41:40,520 INFO L413 NwaCegarLoop]: 110 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, 110 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 10:41:40,522 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 110 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:41:40,541 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2023-11-26 10:41:40,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2023-11-26 10:41:40,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 65 states have (on average 1.3846153846153846) internal successors, (90), 65 states have internal predecessors, (90), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:40,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 114 transitions. [2023-11-26 10:41:40,583 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 114 transitions. Word has length 98 [2023-11-26 10:41:40,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:40,585 INFO L495 AbstractCegarLoop]: Abstraction has 79 states and 114 transitions. [2023-11-26 10:41:40,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 22.5) internal successors, (45), 2 states have internal predecessors, (45), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:41:40,586 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 114 transitions. [2023-11-26 10:41:40,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:41:40,591 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:40,592 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:40,604 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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)] Ended with exit code 0 [2023-11-26 10:41:40,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:40,801 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:40,802 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:40,802 INFO L85 PathProgramCache]: Analyzing trace with hash 1559674467, now seen corresponding path program 1 times [2023-11-26 10:41:40,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:40,803 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1217961560] [2023-11-26 10:41:40,803 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:40,804 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 10:41:40,805 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:40,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:40,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:41,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:41,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 223 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-26 10:41:41,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:41,275 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:41,276 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:41,276 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:41,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1217961560] [2023-11-26 10:41:41,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1217961560] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:41,284 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:41,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-26 10:41:41,285 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249689826] [2023-11-26 10:41:41,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:41,288 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-26 10:41:41,289 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:41,290 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-26 10:41:41,290 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:41:41,291 INFO L87 Difference]: Start difference. First operand 79 states and 114 transitions. Second operand has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:41,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:41,483 INFO L93 Difference]: Finished difference Result 178 states and 257 transitions. [2023-11-26 10:41:41,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2023-11-26 10:41:41,488 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 10:41:41,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:41,492 INFO L225 Difference]: With dead ends: 178 [2023-11-26 10:41:41,493 INFO L226 Difference]: Without dead ends: 100 [2023-11-26 10:41:41,495 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 10:41:41,498 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 46 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:41,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 418 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:41:41,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2023-11-26 10:41:41,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 83. [2023-11-26 10:41:41,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 69 states have (on average 1.3623188405797102) internal successors, (94), 69 states have internal predecessors, (94), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:41,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 118 transitions. [2023-11-26 10:41:41,515 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 118 transitions. Word has length 98 [2023-11-26 10:41:41,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:41,518 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 118 transitions. [2023-11-26 10:41:41,518 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:41,518 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 118 transitions. [2023-11-26 10:41:41,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:41:41,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:41,523 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:41,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:41,732 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:41,733 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:41,733 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:41,733 INFO L85 PathProgramCache]: Analyzing trace with hash 750327841, now seen corresponding path program 1 times [2023-11-26 10:41:41,734 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:41,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1917161490] [2023-11-26 10:41:41,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:41,735 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 10:41:41,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:41,737 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:41,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:42,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:41:42,130 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:42,191 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:42,191 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:42,192 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:42,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1917161490] [2023-11-26 10:41:42,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1917161490] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:42,192 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:42,193 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2023-11-26 10:41:42,193 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456519175] [2023-11-26 10:41:42,193 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:42,194 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:41:42,194 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:42,195 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:41:42,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2023-11-26 10:41:42,196 INFO L87 Difference]: Start difference. First operand 83 states and 118 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:42,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:42,487 INFO L93 Difference]: Finished difference Result 185 states and 262 transitions. [2023-11-26 10:41:42,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2023-11-26 10:41:42,490 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 10:41:42,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:42,493 INFO L225 Difference]: With dead ends: 185 [2023-11-26 10:41:42,493 INFO L226 Difference]: Without dead ends: 103 [2023-11-26 10:41:42,494 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2023-11-26 10:41:42,495 INFO L413 NwaCegarLoop]: 103 mSDtfsCounter, 49 mSDsluCounter, 413 mSDsCounter, 0 mSdLazyCounter, 61 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 516 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 61 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:42,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 516 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 61 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:41:42,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2023-11-26 10:41:42,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 85. [2023-11-26 10:41:42,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 71 states have (on average 1.352112676056338) internal successors, (96), 71 states have internal predecessors, (96), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:42,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 120 transitions. [2023-11-26 10:41:42,510 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 120 transitions. Word has length 98 [2023-11-26 10:41:42,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:42,511 INFO L495 AbstractCegarLoop]: Abstraction has 85 states and 120 transitions. [2023-11-26 10:41:42,511 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:42,511 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 120 transitions. [2023-11-26 10:41:42,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:41:42,514 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:42,514 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:42,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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)] Ended with exit code 0 [2023-11-26 10:41:42,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:42,723 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:42,727 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:42,729 INFO L85 PathProgramCache]: Analyzing trace with hash 807586143, now seen corresponding path program 1 times [2023-11-26 10:41:42,729 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:42,730 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1405295450] [2023-11-26 10:41:42,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:42,730 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 10:41:42,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:42,731 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:42,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:43,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:43,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-26 10:41:43,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:43,140 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:43,141 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:43,141 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:43,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1405295450] [2023-11-26 10:41:43,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1405295450] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:43,141 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:43,142 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2023-11-26 10:41:43,142 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [864456066] [2023-11-26 10:41:43,142 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:43,143 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:41:43,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:43,146 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:41:43,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2023-11-26 10:41:43,148 INFO L87 Difference]: Start difference. First operand 85 states and 120 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:43,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:43,450 INFO L93 Difference]: Finished difference Result 188 states and 262 transitions. [2023-11-26 10:41:43,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2023-11-26 10:41:43,451 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 10:41:43,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:43,453 INFO L225 Difference]: With dead ends: 188 [2023-11-26 10:41:43,453 INFO L226 Difference]: Without dead ends: 104 [2023-11-26 10:41:43,454 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=86, Invalid=186, Unknown=0, NotChecked=0, Total=272 [2023-11-26 10:41:43,455 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 40 mSDsluCounter, 506 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 608 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:43,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 608 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-26 10:41:43,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2023-11-26 10:41:43,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 87. [2023-11-26 10:41:43,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 73 states have (on average 1.3424657534246576) internal successors, (98), 73 states have internal predecessors, (98), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:43,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 122 transitions. [2023-11-26 10:41:43,467 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 122 transitions. Word has length 98 [2023-11-26 10:41:43,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:43,467 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 122 transitions. [2023-11-26 10:41:43,468 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 7 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:43,468 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 122 transitions. [2023-11-26 10:41:43,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:41:43,470 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:43,470 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:43,488 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:43,680 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:43,680 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:43,680 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:43,681 INFO L85 PathProgramCache]: Analyzing trace with hash 807645725, now seen corresponding path program 1 times [2023-11-26 10:41:43,681 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:43,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [535715982] [2023-11-26 10:41:43,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:43,681 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 10:41:43,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:43,683 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:43,690 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:44,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:44,140 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-26 10:41:44,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:44,190 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 10:41:44,199 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-26 10:41:44,208 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 1 [2023-11-26 10:41:44,215 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-26 10:41:44,345 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 30 treesize of output 14 [2023-11-26 10:41:44,517 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 30 treesize of output 14 [2023-11-26 10:41:44,624 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:44,625 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 42 treesize of output 47 [2023-11-26 10:41:44,727 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:44,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 59 treesize of output 70 [2023-11-26 10:41:44,857 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:44,858 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 99 treesize of output 104 [2023-11-26 10:41:45,148 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:45,148 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 111 treesize of output 113 [2023-11-26 10:41:45,351 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:45,352 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 160 treesize of output 70 [2023-11-26 10:41:45,429 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2023-11-26 10:41:45,429 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:45,429 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:45,430 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [535715982] [2023-11-26 10:41:45,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [535715982] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:45,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:45,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2023-11-26 10:41:45,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314948119] [2023-11-26 10:41:45,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:45,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2023-11-26 10:41:45,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:45,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2023-11-26 10:41:45,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2023-11-26 10:41:45,433 INFO L87 Difference]: Start difference. First operand 87 states and 122 transitions. Second operand has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:41:49,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:49,698 INFO L93 Difference]: Finished difference Result 300 states and 420 transitions. [2023-11-26 10:41:49,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-26 10:41:49,700 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) Word has length 98 [2023-11-26 10:41:49,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:49,702 INFO L225 Difference]: With dead ends: 300 [2023-11-26 10:41:49,703 INFO L226 Difference]: Without dead ends: 214 [2023-11-26 10:41:49,703 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=73, Invalid=137, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:41:49,705 INFO L413 NwaCegarLoop]: 73 mSDtfsCounter, 359 mSDsluCounter, 212 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.8s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:49,705 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 285 Invalid, 327 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 3.8s Time] [2023-11-26 10:41:49,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2023-11-26 10:41:49,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 103. [2023-11-26 10:41:49,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 89 states have (on average 1.3707865168539326) internal successors, (122), 89 states have internal predecessors, (122), 12 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:41:49,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 146 transitions. [2023-11-26 10:41:49,722 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 146 transitions. Word has length 98 [2023-11-26 10:41:49,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:49,723 INFO L495 AbstractCegarLoop]: Abstraction has 103 states and 146 transitions. [2023-11-26 10:41:49,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 8 states have internal predecessors, (44), 2 states have call successors, (12), 2 states have call predecessors, (12), 2 states have return successors, (12), 2 states have call predecessors, (12), 2 states have call successors, (12) [2023-11-26 10:41:49,723 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 146 transitions. [2023-11-26 10:41:49,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2023-11-26 10:41:49,725 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:49,726 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:49,740 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:49,936 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:49,936 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:49,937 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:49,937 INFO L85 PathProgramCache]: Analyzing trace with hash 1230347551, now seen corresponding path program 1 times [2023-11-26 10:41:49,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:49,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [760613751] [2023-11-26 10:41:49,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:49,938 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 10:41:49,938 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:49,939 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:49,940 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 (7)] Waiting until timeout for monitored process [2023-11-26 10:41:50,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:50,171 INFO L262 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-26 10:41:50,176 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:50,212 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:50,212 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 37 treesize of output 17 [2023-11-26 10:41:50,712 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:50,712 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 10:41:50,712 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:50,712 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [760613751] [2023-11-26 10:41:50,712 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [760613751] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:41:50,712 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:41:50,712 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:41:50,712 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886011214] [2023-11-26 10:41:50,713 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:50,713 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:41:50,713 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:50,714 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:41:50,714 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:41:50,714 INFO L87 Difference]: Start difference. First operand 103 states and 146 transitions. Second operand has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:51,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:51,291 INFO L93 Difference]: Finished difference Result 290 states and 410 transitions. [2023-11-26 10:41:51,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:41:51,292 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 98 [2023-11-26 10:41:51,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:51,294 INFO L225 Difference]: With dead ends: 290 [2023-11-26 10:41:51,294 INFO L226 Difference]: Without dead ends: 188 [2023-11-26 10:41:51,294 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 95 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 10:41:51,295 INFO L413 NwaCegarLoop]: 94 mSDtfsCounter, 85 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:51,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 262 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2023-11-26 10:41:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2023-11-26 10:41:51,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 152. [2023-11-26 10:41:51,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 125 states have (on average 1.344) internal successors, (168), 125 states have internal predecessors, (168), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2023-11-26 10:41:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 216 transitions. [2023-11-26 10:41:51,324 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 216 transitions. Word has length 98 [2023-11-26 10:41:51,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:51,324 INFO L495 AbstractCegarLoop]: Abstraction has 152 states and 216 transitions. [2023-11-26 10:41:51,324 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.25) internal successors, (41), 3 states have internal predecessors, (41), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:51,325 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 216 transitions. [2023-11-26 10:41:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-26 10:41:51,327 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:51,327 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:51,339 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 (7)] Ended with exit code 0 [2023-11-26 10:41:51,534 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:51,534 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:51,535 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:51,535 INFO L85 PathProgramCache]: Analyzing trace with hash 749908395, now seen corresponding path program 1 times [2023-11-26 10:41:51,535 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:51,535 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1085908615] [2023-11-26 10:41:51,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:51,536 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 10:41:51,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:51,537 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:51,538 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 (8)] Waiting until timeout for monitored process [2023-11-26 10:41:51,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:51,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-26 10:41:52,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:52,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 10 [2023-11-26 10:41:52,240 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 41 treesize of output 19 [2023-11-26 10:41:52,392 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 41 treesize of output 19 [2023-11-26 10:41:52,614 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 41 treesize of output 19 [2023-11-26 10:41:52,734 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:52,735 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 53 treesize of output 52 [2023-11-26 10:41:52,871 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:52,871 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 70 treesize of output 66 [2023-11-26 10:41:53,037 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:53,038 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 99 treesize of output 86 [2023-11-26 10:41:53,366 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:53,366 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 96 treesize of output 92 [2023-11-26 10:41:53,678 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:53,678 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 125 treesize of output 55 [2023-11-26 10:41:53,807 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 161 proven. 18 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2023-11-26 10:41:53,807 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:41:54,087 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:41:54,088 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:41:54,088 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1085908615] [2023-11-26 10:41:54,088 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1085908615] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:41:54,088 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:41:54,088 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [13] total 15 [2023-11-26 10:41:54,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1085401471] [2023-11-26 10:41:54,089 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:41:54,089 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2023-11-26 10:41:54,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:41:54,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2023-11-26 10:41:54,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=167, Unknown=0, NotChecked=0, Total=210 [2023-11-26 10:41:54,091 INFO L87 Difference]: Start difference. First operand 152 states and 216 transitions. Second operand has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:55,765 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:41:55,765 INFO L93 Difference]: Finished difference Result 360 states and 508 transitions. [2023-11-26 10:41:55,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-26 10:41:55,766 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) Word has length 100 [2023-11-26 10:41:55,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:41:55,769 INFO L225 Difference]: With dead ends: 360 [2023-11-26 10:41:55,770 INFO L226 Difference]: Without dead ends: 258 [2023-11-26 10:41:55,771 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 185 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=66, Invalid=276, Unknown=0, NotChecked=0, Total=342 [2023-11-26 10:41:55,772 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 187 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 187 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 217 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2023-11-26 10:41:55,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [187 Valid, 421 Invalid, 217 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2023-11-26 10:41:55,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2023-11-26 10:41:55,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 234. [2023-11-26 10:41:55,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 202 states have (on average 1.3613861386138615) internal successors, (275), 203 states have internal predecessors, (275), 28 states have call successors, (28), 3 states have call predecessors, (28), 3 states have return successors, (28), 27 states have call predecessors, (28), 28 states have call successors, (28) [2023-11-26 10:41:55,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 331 transitions. [2023-11-26 10:41:55,805 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 331 transitions. Word has length 100 [2023-11-26 10:41:55,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:41:55,805 INFO L495 AbstractCegarLoop]: Abstraction has 234 states and 331 transitions. [2023-11-26 10:41:55,805 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.166666666666667) internal successors, (43), 6 states have internal predecessors, (43), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12) [2023-11-26 10:41:55,806 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 331 transitions. [2023-11-26 10:41:55,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2023-11-26 10:41:55,808 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:41:55,808 INFO L195 NwaCegarLoop]: trace histogram [12, 12, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:41:55,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 (8)] Forceful destruction successful, exit code 0 [2023-11-26 10:41:56,018 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:56,019 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:41:56,019 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:41:56,019 INFO L85 PathProgramCache]: Analyzing trace with hash 1253149030, now seen corresponding path program 1 times [2023-11-26 10:41:56,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-26 10:41:56,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1953474923] [2023-11-26 10:41:56,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:41:56,020 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 10:41:56,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/bin/uautomizer-verify-VRDe98Ueme/mathsat [2023-11-26 10:41:56,021 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 10:41:56,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_616f5a3c-d082-4260-bfd0-914af9957c07/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 (9)] Waiting until timeout for monitored process [2023-11-26 10:41:56,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:41:56,531 INFO L262 TraceCheckSpWp]: Trace formula consists of 225 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-26 10:41:56,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 10:41:56,557 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 10:41:56,864 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 42 treesize of output 20 [2023-11-26 10:41:57,660 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:57,660 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 64 treesize of output 39 [2023-11-26 10:41:57,922 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:57,922 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 64 treesize of output 39 [2023-11-26 10:41:58,174 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:58,174 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 64 treesize of output 39 [2023-11-26 10:41:58,538 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:58,539 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 64 treesize of output 39 [2023-11-26 10:41:58,748 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:58,748 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 76 treesize of output 54 [2023-11-26 10:41:59,082 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:59,083 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 121 treesize of output 89 [2023-11-26 10:41:59,359 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:59,360 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 169 treesize of output 92 [2023-11-26 10:41:59,635 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:41:59,635 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 136 treesize of output 92 [2023-11-26 10:42:00,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-26 10:42:00,500 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 145 treesize of output 61 [2023-11-26 10:42:00,727 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 56 proven. 96 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-26 10:42:00,728 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-26 10:42:01,667 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2023-11-26 10:42:01,667 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-26 10:42:01,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1953474923] [2023-11-26 10:42:01,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1953474923] provided 1 perfect and 1 imperfect interpolant sequences [2023-11-26 10:42:01,668 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 10:42:01,668 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [24] total 29 [2023-11-26 10:42:01,668 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226365549] [2023-11-26 10:42:01,668 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:42:01,669 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2023-11-26 10:42:01,669 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-26 10:42:01,669 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2023-11-26 10:42:01,670 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=680, Unknown=0, NotChecked=0, Total=812 [2023-11-26 10:42:01,670 INFO L87 Difference]: Start difference. First operand 234 states and 331 transitions. Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 1 states have call predecessors, (12), 1 states have call successors, (12)