./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c --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_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/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_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/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_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/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 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:52:07,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:52:07,170 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:52:07,175 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:52:07,176 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:52:07,205 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:52:07,206 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:52:07,207 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:52:07,208 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:52:07,209 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:52:07,209 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:52:07,210 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:52:07,211 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:52:07,212 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:52:07,212 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:52:07,213 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:52:07,214 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:52:07,214 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:52:07,215 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:52:07,215 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:52:07,216 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:52:07,216 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:52:07,217 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:52:07,218 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:52:07,218 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:52:07,218 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:52:07,219 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:52:07,219 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:52:07,220 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:52:07,220 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:52:07,221 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:52:07,221 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:07,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:52:07,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:52:07,223 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:52:07,223 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:52:07,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:52:07,224 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:52:07,224 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:52:07,225 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:52:07,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:52:07,227 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:52:07,227 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_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 339d0df57823aa1bea53354295970ed66e6abc60d457d19cd7cfd0d27ddbb8a9 [2023-11-26 11:52:07,558 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:52:07,600 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:52:07,604 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:52:07,605 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:52:07,606 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:52:07,608 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2023-11-26 11:52:10,864 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:52:11,258 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:52:11,260 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/sv-benchmarks/c/eca-rers2012/Problem11_label01.c [2023-11-26 11:52:11,279 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/data/64a6f4610/5438e86d72af403c8781c5b4c199ef36/FLAG0dbfe5998 [2023-11-26 11:52:11,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/data/64a6f4610/5438e86d72af403c8781c5b4c199ef36 [2023-11-26 11:52:11,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:52:11,304 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:52:11,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:11,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:52:11,317 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:52:11,318 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:11" (1/1) ... [2023-11-26 11:52:11,319 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dc35caa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:11, skipping insertion in model container [2023-11-26 11:52:11,319 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:52:11" (1/1) ... [2023-11-26 11:52:11,394 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:52:11,749 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_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2023-11-26 11:52:12,065 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:12,085 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:52:12,186 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_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/sv-benchmarks/c/eca-rers2012/Problem11_label01.c[8261,8274] [2023-11-26 11:52:12,386 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:52:12,405 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:52:12,405 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12 WrapperNode [2023-11-26 11:52:12,406 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:52:12,407 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:12,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:52:12,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:52:12,417 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,472 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,594 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1000 [2023-11-26 11:52:12,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:52:12,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:52:12,595 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:52:12,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:52:12,609 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,609 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,623 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,694 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 11:52:12,694 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,695 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,743 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,781 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,800 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,829 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:52:12,831 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:52:12,831 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:52:12,832 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:52:12,833 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (1/1) ... [2023-11-26 11:52:12,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:52:12,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:12,867 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:52:12,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:52:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:52:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:52:12,939 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:52:12,939 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:52:13,013 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:52:13,016 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 11:52:14,947 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 11:52:15,016 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 11:52:15,018 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-26 11:52:15,019 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:15 BoogieIcfgContainer [2023-11-26 11:52:15,019 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 11:52:15,022 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 11:52:15,022 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 11:52:15,026 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 11:52:15,026 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 11:52:11" (1/3) ... [2023-11-26 11:52:15,027 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae297be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:15, skipping insertion in model container [2023-11-26 11:52:15,027 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:52:12" (2/3) ... [2023-11-26 11:52:15,028 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ae297be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 11:52:15, skipping insertion in model container [2023-11-26 11:52:15,028 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:15" (3/3) ... [2023-11-26 11:52:15,031 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label01.c [2023-11-26 11:52:15,054 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 11:52:15,055 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 11:52:15,122 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 11:52:15,131 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;@49ebe725, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 11:52:15,131 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 11:52:15,138 INFO L276 IsEmpty]: Start isEmpty. Operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:15,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-26 11:52:15,148 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:15,149 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:15,151 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:15,157 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:15,158 INFO L85 PathProgramCache]: Analyzing trace with hash 2085875761, now seen corresponding path program 1 times [2023-11-26 11:52:15,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:15,167 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118882137] [2023-11-26 11:52:15,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:15,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:15,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:15,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:15,411 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:15,412 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118882137] [2023-11-26 11:52:15,412 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118882137] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:15,413 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:15,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:15,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169990326] [2023-11-26 11:52:15,416 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:15,421 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 11:52:15,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:15,462 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 11:52:15,462 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 11:52:15,465 INFO L87 Difference]: Start difference. First operand has 221 states, 219 states have (on average 1.917808219178082) internal successors, (420), 220 states have internal predecessors, (420), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:15,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:15,530 INFO L93 Difference]: Finished difference Result 441 states and 839 transitions. [2023-11-26 11:52:15,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 11:52:15,533 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2023-11-26 11:52:15,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:15,547 INFO L225 Difference]: With dead ends: 441 [2023-11-26 11:52:15,547 INFO L226 Difference]: Without dead ends: 219 [2023-11-26 11:52:15,550 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 11:52:15,554 INFO L413 NwaCegarLoop]: 355 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 355 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:15,555 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 355 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 11:52:15,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2023-11-26 11:52:15,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2023-11-26 11:52:15,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 218 states have (on average 1.628440366972477) internal successors, (355), 218 states have internal predecessors, (355), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:15,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 355 transitions. [2023-11-26 11:52:15,611 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 355 transitions. Word has length 56 [2023-11-26 11:52:15,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:15,611 INFO L495 AbstractCegarLoop]: Abstraction has 219 states and 355 transitions. [2023-11-26 11:52:15,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 28.0) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:15,612 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 355 transitions. [2023-11-26 11:52:15,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-26 11:52:15,613 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:15,614 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:15,614 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 11:52:15,614 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:15,615 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:15,615 INFO L85 PathProgramCache]: Analyzing trace with hash -2108216137, now seen corresponding path program 1 times [2023-11-26 11:52:15,615 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:15,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2086180432] [2023-11-26 11:52:15,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:15,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:15,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:15,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:15,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2086180432] [2023-11-26 11:52:15,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2086180432] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:15,909 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:15,909 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:15,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [664122388] [2023-11-26 11:52:15,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:15,911 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:15,912 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:15,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:15,913 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:15,913 INFO L87 Difference]: Start difference. First operand 219 states and 355 transitions. Second operand has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:17,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:17,015 INFO L93 Difference]: Finished difference Result 639 states and 1042 transitions. [2023-11-26 11:52:17,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:17,016 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2023-11-26 11:52:17,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:17,021 INFO L225 Difference]: With dead ends: 639 [2023-11-26 11:52:17,021 INFO L226 Difference]: Without dead ends: 421 [2023-11-26 11:52:17,023 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:52:17,025 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 155 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 524 mSolverCounterSat, 148 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 120 SdHoareTripleChecker+Invalid, 672 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 148 IncrementalHoareTripleChecker+Valid, 524 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:17,026 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 120 Invalid, 672 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [148 Valid, 524 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-26 11:52:17,027 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2023-11-26 11:52:17,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 411. [2023-11-26 11:52:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 410 states have (on average 1.524390243902439) internal successors, (625), 410 states have internal predecessors, (625), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:17,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 625 transitions. [2023-11-26 11:52:17,092 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 625 transitions. Word has length 56 [2023-11-26 11:52:17,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:17,092 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 625 transitions. [2023-11-26 11:52:17,093 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.666666666666668) internal successors, (56), 2 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:17,093 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 625 transitions. [2023-11-26 11:52:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2023-11-26 11:52:17,099 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:17,099 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:17,100 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 11:52:17,100 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:17,100 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:17,100 INFO L85 PathProgramCache]: Analyzing trace with hash -1942944711, now seen corresponding path program 1 times [2023-11-26 11:52:17,101 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:17,101 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1898942525] [2023-11-26 11:52:17,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:17,101 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:17,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:17,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:17,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1898942525] [2023-11-26 11:52:17,279 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1898942525] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:17,279 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:17,279 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:17,280 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300176629] [2023-11-26 11:52:17,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:17,281 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:17,281 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:17,282 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:17,282 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:17,282 INFO L87 Difference]: Start difference. First operand 411 states and 625 transitions. Second operand has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:18,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:18,437 INFO L93 Difference]: Finished difference Result 1193 states and 1820 transitions. [2023-11-26 11:52:18,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:18,438 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 122 [2023-11-26 11:52:18,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:18,446 INFO L225 Difference]: With dead ends: 1193 [2023-11-26 11:52:18,446 INFO L226 Difference]: Without dead ends: 783 [2023-11-26 11:52:18,453 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:52:18,460 INFO L413 NwaCegarLoop]: 128 mSDtfsCounter, 175 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 449 mSolverCounterSat, 183 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 152 SdHoareTripleChecker+Invalid, 632 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 183 IncrementalHoareTripleChecker+Valid, 449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:18,462 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 152 Invalid, 632 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [183 Valid, 449 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-26 11:52:18,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 783 states. [2023-11-26 11:52:18,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 783 to 783. [2023-11-26 11:52:18,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 783 states, 782 states have (on average 1.3746803069053708) internal successors, (1075), 782 states have internal predecessors, (1075), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:18,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 783 states and 1075 transitions. [2023-11-26 11:52:18,540 INFO L78 Accepts]: Start accepts. Automaton has 783 states and 1075 transitions. Word has length 122 [2023-11-26 11:52:18,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:18,543 INFO L495 AbstractCegarLoop]: Abstraction has 783 states and 1075 transitions. [2023-11-26 11:52:18,543 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 40.666666666666664) internal successors, (122), 2 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:18,544 INFO L276 IsEmpty]: Start isEmpty. Operand 783 states and 1075 transitions. [2023-11-26 11:52:18,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-26 11:52:18,551 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:18,552 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:18,552 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 11:52:18,552 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:18,553 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:18,553 INFO L85 PathProgramCache]: Analyzing trace with hash 51667779, now seen corresponding path program 1 times [2023-11-26 11:52:18,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:18,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [47541369] [2023-11-26 11:52:18,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:18,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:18,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:19,008 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:19,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:19,009 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [47541369] [2023-11-26 11:52:19,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [47541369] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:19,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:19,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 11:52:19,010 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164311448] [2023-11-26 11:52:19,010 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:19,012 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:19,012 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:19,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:19,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:19,015 INFO L87 Difference]: Start difference. First operand 783 states and 1075 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:20,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:20,072 INFO L93 Difference]: Finished difference Result 1935 states and 2598 transitions. [2023-11-26 11:52:20,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:20,089 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2023-11-26 11:52:20,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:20,097 INFO L225 Difference]: With dead ends: 1935 [2023-11-26 11:52:20,097 INFO L226 Difference]: Without dead ends: 1153 [2023-11-26 11:52:20,099 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 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 11:52:20,100 INFO L413 NwaCegarLoop]: 166 mSDtfsCounter, 119 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 568 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:20,101 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 188 Invalid, 568 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:20,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1153 states. [2023-11-26 11:52:20,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1153 to 1152. [2023-11-26 11:52:20,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1152 states, 1151 states have (on average 1.2701998262380538) internal successors, (1462), 1151 states have internal predecessors, (1462), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:20,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1152 states to 1152 states and 1462 transitions. [2023-11-26 11:52:20,137 INFO L78 Accepts]: Start accepts. Automaton has 1152 states and 1462 transitions. Word has length 126 [2023-11-26 11:52:20,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:20,139 INFO L495 AbstractCegarLoop]: Abstraction has 1152 states and 1462 transitions. [2023-11-26 11:52:20,140 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:20,140 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1462 transitions. [2023-11-26 11:52:20,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2023-11-26 11:52:20,144 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:20,144 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:20,145 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 11:52:20,145 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:20,145 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:20,146 INFO L85 PathProgramCache]: Analyzing trace with hash 121337850, now seen corresponding path program 1 times [2023-11-26 11:52:20,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:20,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640345259] [2023-11-26 11:52:20,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:20,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:20,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:20,516 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 11:52:20,516 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:20,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640345259] [2023-11-26 11:52:20,517 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1640345259] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:20,517 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:20,517 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:20,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1423232151] [2023-11-26 11:52:20,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:20,519 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:20,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:20,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:20,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:20,520 INFO L87 Difference]: Start difference. First operand 1152 states and 1462 transitions. Second operand has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:21,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:21,693 INFO L93 Difference]: Finished difference Result 2678 states and 3480 transitions. [2023-11-26 11:52:21,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:21,694 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 168 [2023-11-26 11:52:21,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:21,706 INFO L225 Difference]: With dead ends: 2678 [2023-11-26 11:52:21,706 INFO L226 Difference]: Without dead ends: 1711 [2023-11-26 11:52:21,708 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:21,710 INFO L413 NwaCegarLoop]: 310 mSDtfsCounter, 149 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:21,710 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 329 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2023-11-26 11:52:21,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1711 states. [2023-11-26 11:52:21,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1711 to 1520. [2023-11-26 11:52:21,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1520 states, 1519 states have (on average 1.2560895325872283) internal successors, (1908), 1519 states have internal predecessors, (1908), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:21,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1520 states and 1908 transitions. [2023-11-26 11:52:21,754 INFO L78 Accepts]: Start accepts. Automaton has 1520 states and 1908 transitions. Word has length 168 [2023-11-26 11:52:21,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:21,755 INFO L495 AbstractCegarLoop]: Abstraction has 1520 states and 1908 transitions. [2023-11-26 11:52:21,755 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.0) internal successors, (168), 3 states have internal predecessors, (168), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:21,755 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1908 transitions. [2023-11-26 11:52:21,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-26 11:52:21,760 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:21,761 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:21,761 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2023-11-26 11:52:21,761 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:21,762 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:21,762 INFO L85 PathProgramCache]: Analyzing trace with hash 1860982854, now seen corresponding path program 1 times [2023-11-26 11:52:21,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:21,762 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717499901] [2023-11-26 11:52:21,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:21,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:21,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2023-11-26 11:52:22,282 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:22,282 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717499901] [2023-11-26 11:52:22,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [717499901] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:22,283 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:22,284 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:22,284 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668524848] [2023-11-26 11:52:22,285 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:22,285 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:22,286 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:22,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:22,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:22,287 INFO L87 Difference]: Start difference. First operand 1520 states and 1908 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:23,365 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:23,365 INFO L93 Difference]: Finished difference Result 4144 states and 5276 transitions. [2023-11-26 11:52:23,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:23,366 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 238 [2023-11-26 11:52:23,367 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:23,385 INFO L225 Difference]: With dead ends: 4144 [2023-11-26 11:52:23,385 INFO L226 Difference]: Without dead ends: 2625 [2023-11-26 11:52:23,388 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:23,389 INFO L413 NwaCegarLoop]: 322 mSDtfsCounter, 150 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 147 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 147 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:23,390 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 345 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [147 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:23,394 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2625 states. [2023-11-26 11:52:23,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2625 to 2625. [2023-11-26 11:52:23,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2625 states, 2624 states have (on average 1.211890243902439) internal successors, (3180), 2624 states have internal predecessors, (3180), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:23,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2625 states to 2625 states and 3180 transitions. [2023-11-26 11:52:23,458 INFO L78 Accepts]: Start accepts. Automaton has 2625 states and 3180 transitions. Word has length 238 [2023-11-26 11:52:23,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:23,459 INFO L495 AbstractCegarLoop]: Abstraction has 2625 states and 3180 transitions. [2023-11-26 11:52:23,459 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:23,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2625 states and 3180 transitions. [2023-11-26 11:52:23,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-26 11:52:23,466 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:23,466 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:23,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2023-11-26 11:52:23,467 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:23,467 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:23,467 INFO L85 PathProgramCache]: Analyzing trace with hash 2115883207, now seen corresponding path program 1 times [2023-11-26 11:52:23,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:23,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1368188290] [2023-11-26 11:52:23,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:23,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:23,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:23,871 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2023-11-26 11:52:23,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:23,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1368188290] [2023-11-26 11:52:23,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1368188290] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:23,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:23,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:23,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783050359] [2023-11-26 11:52:23,873 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:23,873 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:23,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:23,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:23,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:23,875 INFO L87 Difference]: Start difference. First operand 2625 states and 3180 transitions. Second operand has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:24,952 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:24,952 INFO L93 Difference]: Finished difference Result 5989 states and 7352 transitions. [2023-11-26 11:52:24,953 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:24,953 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 274 [2023-11-26 11:52:24,954 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:24,977 INFO L225 Difference]: With dead ends: 5989 [2023-11-26 11:52:24,977 INFO L226 Difference]: Without dead ends: 3365 [2023-11-26 11:52:24,981 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:24,982 INFO L413 NwaCegarLoop]: 337 mSDtfsCounter, 144 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 568 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 664 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 568 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:24,982 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 358 Invalid, 664 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 568 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:24,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3365 states. [2023-11-26 11:52:25,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3365 to 3360. [2023-11-26 11:52:25,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3360 states, 3359 states have (on average 1.202738910389997) internal successors, (4040), 3359 states have internal predecessors, (4040), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:25,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 3360 states and 4040 transitions. [2023-11-26 11:52:25,105 INFO L78 Accepts]: Start accepts. Automaton has 3360 states and 4040 transitions. Word has length 274 [2023-11-26 11:52:25,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:25,106 INFO L495 AbstractCegarLoop]: Abstraction has 3360 states and 4040 transitions. [2023-11-26 11:52:25,107 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 56.666666666666664) internal successors, (170), 3 states have internal predecessors, (170), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:25,107 INFO L276 IsEmpty]: Start isEmpty. Operand 3360 states and 4040 transitions. [2023-11-26 11:52:25,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2023-11-26 11:52:25,114 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:25,114 INFO L195 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 11:52:25,115 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2023-11-26 11:52:25,115 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:25,116 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:25,116 INFO L85 PathProgramCache]: Analyzing trace with hash 2091717395, now seen corresponding path program 1 times [2023-11-26 11:52:25,116 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:25,116 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [667130] [2023-11-26 11:52:25,117 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:25,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:25,528 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2023-11-26 11:52:25,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:25,528 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [667130] [2023-11-26 11:52:25,528 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [667130] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:25,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:25,529 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:25,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [43784351] [2023-11-26 11:52:25,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:25,531 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:25,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:25,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:25,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:25,533 INFO L87 Difference]: Start difference. First operand 3360 states and 4040 transitions. Second operand has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:26,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:26,607 INFO L93 Difference]: Finished difference Result 8380 states and 9935 transitions. [2023-11-26 11:52:26,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:26,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 278 [2023-11-26 11:52:26,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:26,638 INFO L225 Difference]: With dead ends: 8380 [2023-11-26 11:52:26,639 INFO L226 Difference]: Without dead ends: 5021 [2023-11-26 11:52:26,644 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:26,645 INFO L413 NwaCegarLoop]: 358 mSDtfsCounter, 162 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 567 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 567 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:26,645 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 386 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 567 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:26,653 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5021 states. [2023-11-26 11:52:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5021 to 5020. [2023-11-26 11:52:26,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5020 states, 5019 states have (on average 1.1741382745566846) internal successors, (5893), 5019 states have internal predecessors, (5893), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:26,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5020 states to 5020 states and 5893 transitions. [2023-11-26 11:52:26,783 INFO L78 Accepts]: Start accepts. Automaton has 5020 states and 5893 transitions. Word has length 278 [2023-11-26 11:52:26,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:26,783 INFO L495 AbstractCegarLoop]: Abstraction has 5020 states and 5893 transitions. [2023-11-26 11:52:26,784 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 3 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:26,784 INFO L276 IsEmpty]: Start isEmpty. Operand 5020 states and 5893 transitions. [2023-11-26 11:52:26,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 377 [2023-11-26 11:52:26,797 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:26,798 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:26,798 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2023-11-26 11:52:26,798 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:26,798 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:26,799 INFO L85 PathProgramCache]: Analyzing trace with hash 783170091, now seen corresponding path program 1 times [2023-11-26 11:52:26,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:26,799 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274256904] [2023-11-26 11:52:26,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:26,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:26,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 436 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-26 11:52:27,180 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:27,181 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274256904] [2023-11-26 11:52:27,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274256904] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:27,181 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:27,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:27,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1383957948] [2023-11-26 11:52:27,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:27,183 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:27,183 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:27,184 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:27,184 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:27,185 INFO L87 Difference]: Start difference. First operand 5020 states and 5893 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:28,149 INFO L93 Difference]: Finished difference Result 9669 states and 11403 transitions. [2023-11-26 11:52:28,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:28,151 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 376 [2023-11-26 11:52:28,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:28,180 INFO L225 Difference]: With dead ends: 9669 [2023-11-26 11:52:28,180 INFO L226 Difference]: Without dead ends: 5018 [2023-11-26 11:52:28,186 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:28,188 INFO L413 NwaCegarLoop]: 281 mSDtfsCounter, 178 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 551 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 178 SdHoareTripleChecker+Valid, 300 SdHoareTripleChecker+Invalid, 603 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 551 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:28,189 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [178 Valid, 300 Invalid, 603 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 551 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-26 11:52:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5018 states. [2023-11-26 11:52:28,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5018 to 5018. [2023-11-26 11:52:28,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5018 states, 5017 states have (on average 1.143711381303568) internal successors, (5738), 5017 states have internal predecessors, (5738), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:28,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5018 states to 5018 states and 5738 transitions. [2023-11-26 11:52:28,320 INFO L78 Accepts]: Start accepts. Automaton has 5018 states and 5738 transitions. Word has length 376 [2023-11-26 11:52:28,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:28,321 INFO L495 AbstractCegarLoop]: Abstraction has 5018 states and 5738 transitions. [2023-11-26 11:52:28,321 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:28,322 INFO L276 IsEmpty]: Start isEmpty. Operand 5018 states and 5738 transitions. [2023-11-26 11:52:28,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 382 [2023-11-26 11:52:28,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:28,336 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:28,337 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2023-11-26 11:52:28,337 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:28,342 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:28,342 INFO L85 PathProgramCache]: Analyzing trace with hash -1837528928, now seen corresponding path program 1 times [2023-11-26 11:52:28,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:28,343 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83223741] [2023-11-26 11:52:28,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:28,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:28,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:28,687 INFO L134 CoverageAnalysis]: Checked inductivity of 446 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 282 trivial. 0 not checked. [2023-11-26 11:52:28,688 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:28,688 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83223741] [2023-11-26 11:52:28,688 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [83223741] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:28,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:28,689 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:28,689 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665066195] [2023-11-26 11:52:28,689 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:28,690 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:28,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:28,690 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:28,691 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:28,691 INFO L87 Difference]: Start difference. First operand 5018 states and 5738 transitions. Second operand has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:29,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:29,716 INFO L93 Difference]: Finished difference Result 10955 states and 12600 transitions. [2023-11-26 11:52:29,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:29,716 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 381 [2023-11-26 11:52:29,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:29,750 INFO L225 Difference]: With dead ends: 10955 [2023-11-26 11:52:29,750 INFO L226 Difference]: Without dead ends: 6306 [2023-11-26 11:52:29,756 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:29,757 INFO L413 NwaCegarLoop]: 291 mSDtfsCounter, 162 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 150 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 304 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 150 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:29,757 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 304 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [150 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:29,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6306 states. [2023-11-26 11:52:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6306 to 5386. [2023-11-26 11:52:29,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5386 states, 5385 states have (on average 1.1439182915506034) internal successors, (6160), 5385 states have internal predecessors, (6160), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:29,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5386 states to 5386 states and 6160 transitions. [2023-11-26 11:52:29,884 INFO L78 Accepts]: Start accepts. Automaton has 5386 states and 6160 transitions. Word has length 381 [2023-11-26 11:52:29,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:29,885 INFO L495 AbstractCegarLoop]: Abstraction has 5386 states and 6160 transitions. [2023-11-26 11:52:29,885 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 62.0) internal successors, (186), 3 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:29,886 INFO L276 IsEmpty]: Start isEmpty. Operand 5386 states and 6160 transitions. [2023-11-26 11:52:29,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2023-11-26 11:52:29,901 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:29,902 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:29,902 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2023-11-26 11:52:29,902 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:29,903 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:29,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1863157200, now seen corresponding path program 1 times [2023-11-26 11:52:29,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:29,903 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905209690] [2023-11-26 11:52:29,904 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:29,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:30,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 513 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2023-11-26 11:52:30,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:30,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905209690] [2023-11-26 11:52:30,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905209690] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:30,424 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:30,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:30,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28419418] [2023-11-26 11:52:30,425 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:30,426 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:30,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:30,427 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:30,427 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:30,427 INFO L87 Difference]: Start difference. First operand 5386 states and 6160 transitions. Second operand has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:31,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:31,451 INFO L93 Difference]: Finished difference Result 11334 states and 13027 transitions. [2023-11-26 11:52:31,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:31,452 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 428 [2023-11-26 11:52:31,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:31,482 INFO L225 Difference]: With dead ends: 11334 [2023-11-26 11:52:31,482 INFO L226 Difference]: Without dead ends: 6317 [2023-11-26 11:52:31,488 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:31,489 INFO L413 NwaCegarLoop]: 165 mSDtfsCounter, 66 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 584 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 634 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 584 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:31,489 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 184 Invalid, 634 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 584 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:31,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6317 states. [2023-11-26 11:52:31,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6317 to 6306. [2023-11-26 11:52:31,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6306 states, 6305 states have (on average 1.139095955590801) internal successors, (7182), 6305 states have internal predecessors, (7182), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6306 states to 6306 states and 7182 transitions. [2023-11-26 11:52:31,638 INFO L78 Accepts]: Start accepts. Automaton has 6306 states and 7182 transitions. Word has length 428 [2023-11-26 11:52:31,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:31,639 INFO L495 AbstractCegarLoop]: Abstraction has 6306 states and 7182 transitions. [2023-11-26 11:52:31,640 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 106.0) internal successors, (318), 3 states have internal predecessors, (318), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:31,640 INFO L276 IsEmpty]: Start isEmpty. Operand 6306 states and 7182 transitions. [2023-11-26 11:52:31,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 482 [2023-11-26 11:52:31,665 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:31,665 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 11:52:31,666 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2023-11-26 11:52:31,666 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:31,666 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:31,667 INFO L85 PathProgramCache]: Analyzing trace with hash 1670666367, now seen corresponding path program 1 times [2023-11-26 11:52:31,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:31,667 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227874702] [2023-11-26 11:52:31,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:31,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:31,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:32,069 INFO L134 CoverageAnalysis]: Checked inductivity of 770 backedges. 510 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2023-11-26 11:52:32,069 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:32,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227874702] [2023-11-26 11:52:32,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227874702] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:32,070 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:32,070 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:32,071 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072542403] [2023-11-26 11:52:32,071 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:32,071 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:32,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:32,072 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:32,073 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:32,073 INFO L87 Difference]: Start difference. First operand 6306 states and 7182 transitions. Second operand has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:33,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:33,195 INFO L93 Difference]: Finished difference Result 14266 states and 16366 transitions. [2023-11-26 11:52:33,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:33,196 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 481 [2023-11-26 11:52:33,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:33,213 INFO L225 Difference]: With dead ends: 14266 [2023-11-26 11:52:33,214 INFO L226 Difference]: Without dead ends: 7961 [2023-11-26 11:52:33,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:33,222 INFO L413 NwaCegarLoop]: 338 mSDtfsCounter, 64 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 577 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 359 SdHoareTripleChecker+Invalid, 659 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 577 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:33,222 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 359 Invalid, 659 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 577 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:33,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7961 states. [2023-11-26 11:52:33,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7961 to 7961. [2023-11-26 11:52:33,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7961 states, 7960 states have (on average 1.1345477386934673) internal successors, (9031), 7960 states have internal predecessors, (9031), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:33,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7961 states to 7961 states and 9031 transitions. [2023-11-26 11:52:33,358 INFO L78 Accepts]: Start accepts. Automaton has 7961 states and 9031 transitions. Word has length 481 [2023-11-26 11:52:33,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:33,359 INFO L495 AbstractCegarLoop]: Abstraction has 7961 states and 9031 transitions. [2023-11-26 11:52:33,359 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 101.33333333333333) internal successors, (304), 3 states have internal predecessors, (304), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:33,360 INFO L276 IsEmpty]: Start isEmpty. Operand 7961 states and 9031 transitions. [2023-11-26 11:52:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2023-11-26 11:52:33,388 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:33,388 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:33,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2023-11-26 11:52:33,389 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:33,389 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:33,390 INFO L85 PathProgramCache]: Analyzing trace with hash -496890996, now seen corresponding path program 1 times [2023-11-26 11:52:33,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:33,390 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2120720781] [2023-11-26 11:52:33,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:33,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:33,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:34,244 INFO L134 CoverageAnalysis]: Checked inductivity of 817 backedges. 576 proven. 0 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2023-11-26 11:52:34,245 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:34,245 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2120720781] [2023-11-26 11:52:34,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2120720781] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:34,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 11:52:34,246 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 11:52:34,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034470942] [2023-11-26 11:52:34,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:34,247 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:34,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:34,248 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:34,248 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 11:52:34,249 INFO L87 Difference]: Start difference. First operand 7961 states and 9031 transitions. Second operand has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:35,314 INFO L93 Difference]: Finished difference Result 18512 states and 21041 transitions. [2023-11-26 11:52:35,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:35,315 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 516 [2023-11-26 11:52:35,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:35,337 INFO L225 Difference]: With dead ends: 18512 [2023-11-26 11:52:35,337 INFO L226 Difference]: Without dead ends: 10920 [2023-11-26 11:52:35,346 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 11:52:35,348 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 138 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 127 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:35,348 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 127 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2023-11-26 11:52:35,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10920 states. [2023-11-26 11:52:35,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10920 to 10734. [2023-11-26 11:52:35,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10734 states, 10733 states have (on average 1.1191651914655734) internal successors, (12012), 10733 states have internal predecessors, (12012), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10734 states to 10734 states and 12012 transitions. [2023-11-26 11:52:35,584 INFO L78 Accepts]: Start accepts. Automaton has 10734 states and 12012 transitions. Word has length 516 [2023-11-26 11:52:35,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:35,585 INFO L495 AbstractCegarLoop]: Abstraction has 10734 states and 12012 transitions. [2023-11-26 11:52:35,585 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.66666666666667) internal successors, (332), 3 states have internal predecessors, (332), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 10734 states and 12012 transitions. [2023-11-26 11:52:35,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 527 [2023-11-26 11:52:35,610 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 11:52:35,610 INFO L195 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:35,611 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2023-11-26 11:52:35,611 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 11:52:35,612 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 11:52:35,612 INFO L85 PathProgramCache]: Analyzing trace with hash -1727591515, now seen corresponding path program 1 times [2023-11-26 11:52:35,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 11:52:35,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1812681957] [2023-11-26 11:52:35,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:35,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 11:52:35,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:37,680 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 300 proven. 406 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2023-11-26 11:52:37,681 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 11:52:37,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1812681957] [2023-11-26 11:52:37,681 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1812681957] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-26 11:52:37,681 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [526728970] [2023-11-26 11:52:37,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 11:52:37,682 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-26 11:52:37,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:52:37,687 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-26 11:52:37,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-26 11:52:37,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 11:52:37,985 INFO L262 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-26 11:52:38,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-26 11:52:38,318 INFO L134 CoverageAnalysis]: Checked inductivity of 837 backedges. 219 proven. 0 refuted. 0 times theorem prover too weak. 618 trivial. 0 not checked. [2023-11-26 11:52:38,318 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-26 11:52:38,319 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [526728970] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 11:52:38,319 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2023-11-26 11:52:38,319 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2023-11-26 11:52:38,320 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491478610] [2023-11-26 11:52:38,320 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 11:52:38,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 11:52:38,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 11:52:38,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 11:52:38,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:38,322 INFO L87 Difference]: Start difference. First operand 10734 states and 12012 transitions. Second operand has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:39,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 11:52:39,310 INFO L93 Difference]: Finished difference Result 12390 states and 13832 transitions. [2023-11-26 11:52:39,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 11:52:39,311 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 526 [2023-11-26 11:52:39,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 11:52:39,312 INFO L225 Difference]: With dead ends: 12390 [2023-11-26 11:52:39,312 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 11:52:39,322 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 530 GetRequests, 525 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2023-11-26 11:52:39,323 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 163 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 163 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2023-11-26 11:52:39,323 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [163 Valid, 141 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 484 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2023-11-26 11:52:39,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 11:52:39,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 11:52:39,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:39,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 11:52:39,325 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 526 [2023-11-26 11:52:39,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 11:52:39,325 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 11:52:39,325 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.0) internal successors, (195), 3 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-26 11:52:39,326 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 11:52:39,326 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 11:52:39,328 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 11:52:39,341 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-26 11:52:39,536 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2023-11-26 11:52:39,538 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 11:52:40,629 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 509) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L432(lines 432 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L498-2(lines 498 509) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L168-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L102-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L36-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L1027(lines 1027 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L631(lines 631 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,630 INFO L899 garLoopResultBuilder]: For program point L698(lines 698 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L368(lines 368 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L237(lines 237 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L171-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L105-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L39-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L832(lines 832 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L767(lines 767 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,631 INFO L899 garLoopResultBuilder]: For program point L768(lines 768 778) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L768-2(lines 768 778) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L174-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L108-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L42-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L835(lines 835 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L571(lines 571 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L439(lines 439 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L968(lines 968 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L638(lines 638 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L903(lines 903 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,632 INFO L899 garLoopResultBuilder]: For program point L705(lines 705 715) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L705-2(lines 705 715) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L375(lines 375 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L309(lines 309 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L243(lines 243 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L177-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L111-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L45-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L1038(lines 1038 1054) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L576(lines 576 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L510(lines 510 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,633 INFO L899 garLoopResultBuilder]: For program point L180-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L114-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L48-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L973(lines 973 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L446(lines 446 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L380(lines 380 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L645(lines 645 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L315(lines 315 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L183-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L117-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,634 INFO L899 garLoopResultBuilder]: For program point L51-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L250(lines 250 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L779(lines 779 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L895 garLoopResultBuilder]: At program point L1044-2(lines 1044 1053) the Hoare annotation is: (let ((.cse0 (= ~a4~0 1))) (let ((.cse1 (not .cse0))) (or (= ~a25~0 12) (and (<= 141 ~a29~0) .cse0) (and (<= (+ ~a23~0 43) 0) .cse1) (and (<= 139 ~a23~0) .cse0) (and (= ~a25~0 13) .cse1) (<= 246 ~a29~0) (and (<= ~a25~0 10) .cse0) (and (<= ~a29~0 220) .cse1)))) [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L846(lines 846 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L186-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L120-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L54-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L979(lines 979 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,635 INFO L899 garLoopResultBuilder]: For program point L913(lines 913 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L187(line 187) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L980(lines 980 990) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 924) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L980-2(lines 980 990) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 924) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L716(lines 716 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L320(lines 320 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L453(lines 453 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L387(lines 387 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,636 INFO L899 garLoopResultBuilder]: For program point L189-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L123-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L57-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L784(lines 784 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L652(lines 652 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L1049(line 1049) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L851(lines 851 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L257(lines 257 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L192-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L126-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L60-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,637 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L657(lines 657 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L591(lines 591 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L525(lines 525 535) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L525-2(lines 525 535) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L195-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L129-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L63-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L790(lines 790 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L658(lines 658 667) no Hoare annotation was computed. [2023-11-26 11:52:40,638 INFO L899 garLoopResultBuilder]: For program point L658-2(lines 658 667) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L460(lines 460 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L394(lines 394 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L264(lines 264 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L198-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L132-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L66-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L991(lines 991 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L925(lines 925 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L727(lines 727 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 936) no Hoare annotation was computed. [2023-11-26 11:52:40,639 INFO L899 garLoopResultBuilder]: For program point L926-2(lines 926 936) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L728(lines 728 740) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L728-2(lines 728 740) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L596(lines 596 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L597(lines 597 607) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L597-2(lines 597 607) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L201-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,640 INFO L899 garLoopResultBuilder]: For program point L135-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,643 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,643 INFO L899 garLoopResultBuilder]: For program point L862(lines 862 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,643 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,643 INFO L899 garLoopResultBuilder]: For program point L797(lines 797 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,643 INFO L899 garLoopResultBuilder]: For program point L401(lines 401 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,643 INFO L899 garLoopResultBuilder]: For program point L270(lines 270 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L204-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L138-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L72-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L998(lines 998 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L668(lines 668 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L536(lines 536 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,644 INFO L899 garLoopResultBuilder]: For program point L339(lines 339 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L207-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L141-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L473(lines 473 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,645 INFO L899 garLoopResultBuilder]: For program point L275(lines 275 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L408(lines 408 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L210-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L144-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L78-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L1003(lines 1003 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L937(lines 937 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,646 INFO L899 garLoopResultBuilder]: For program point L673(lines 673 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L541(lines 541 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L409(lines 409 420) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L409-2(lines 409 420) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L344(lines 344 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L278(lines 278 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,647 INFO L899 garLoopResultBuilder]: For program point L741(lines 741 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L147-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L81-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L875(lines 875 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L942(lines 942 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L876(lines 876 885) no Hoare annotation was computed. [2023-11-26 11:52:40,648 INFO L899 garLoopResultBuilder]: For program point L876-2(lines 876 885) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L480(lines 480 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L84-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L613(lines 613 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L547(lines 547 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L1010(lines 1010 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,649 INFO L899 garLoopResultBuilder]: For program point L680(lines 680 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L614(lines 614 624) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L614-2(lines 614 624) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L350(lines 350 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L285(lines 285 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L153-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,650 INFO L899 garLoopResultBuilder]: For program point L814(lines 814 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L748(lines 748 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L815(lines 815 825) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L815-2(lines 815 825) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L552(lines 552 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L156-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L90-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,651 INFO L899 garLoopResultBuilder]: For program point L1015(lines 1015 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L685(lines 685 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L487(lines 487 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L421(lines 421 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 962) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L950-2(lines 950 962) no Hoare annotation was computed. [2023-11-26 11:52:40,652 INFO L899 garLoopResultBuilder]: For program point L488(lines 488 496) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L488-2(lines 488 496) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L290(lines 290 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L224(lines 224 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L753(lines 753 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L159-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L93-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,653 INFO L899 garLoopResultBuilder]: For program point L886(lines 886 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point L162-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point L96-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point L691(lines 691 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point L625(lines 625 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point L559(lines 559 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,654 INFO L899 garLoopResultBuilder]: For program point L427(lines 427 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point L1022(lines 1022 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point calculate_output_returnLabel#1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point L363(lines 363 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point L297(lines 297 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point L231(lines 231 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,655 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,656 INFO L899 garLoopResultBuilder]: For program point L99-1(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,656 INFO L899 garLoopResultBuilder]: For program point L33(lines 33 35) no Hoare annotation was computed. [2023-11-26 11:52:40,656 INFO L899 garLoopResultBuilder]: For program point L33-2(lines 32 1036) no Hoare annotation was computed. [2023-11-26 11:52:40,656 INFO L899 garLoopResultBuilder]: For program point L826(lines 826 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,656 INFO L899 garLoopResultBuilder]: For program point L760(lines 760 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,656 INFO L899 garLoopResultBuilder]: For program point L497(lines 497 1034) no Hoare annotation was computed. [2023-11-26 11:52:40,660 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 11:52:40,662 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 11:52:40,674 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 11:52:40 BoogieIcfgContainer [2023-11-26 11:52:40,675 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 11:52:40,675 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 11:52:40,675 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 11:52:40,675 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 11:52:40,676 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 11:52:15" (3/4) ... [2023-11-26 11:52:40,678 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 11:52:40,699 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-26 11:52:40,706 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-11-26 11:52:40,708 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-26 11:52:40,710 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 11:52:40,958 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 11:52:40,959 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 11:52:40,959 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 11:52:40,960 INFO L158 Benchmark]: Toolchain (without parser) took 29659.56ms. Allocated memory was 138.4MB in the beginning and 536.9MB in the end (delta: 398.5MB). Free memory was 89.6MB in the beginning and 406.5MB in the end (delta: -316.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,960 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 11:52:40,961 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1098.02ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 89.3MB in the beginning and 118.4MB in the end (delta: -29.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,961 INFO L158 Benchmark]: Boogie Procedure Inliner took 187.37ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 101.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,962 INFO L158 Benchmark]: Boogie Preprocessor took 234.26ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 76.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,962 INFO L158 Benchmark]: RCFGBuilder took 2189.01ms. Allocated memory is still 167.8MB. Free memory was 76.1MB in the beginning and 85.5MB in the end (delta: -9.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,963 INFO L158 Benchmark]: TraceAbstraction took 25652.85ms. Allocated memory was 167.8MB in the beginning and 536.9MB in the end (delta: 369.1MB). Free memory was 85.5MB in the beginning and 423.3MB in the end (delta: -337.8MB). Peak memory consumption was 300.7MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,963 INFO L158 Benchmark]: Witness Printer took 283.86ms. Allocated memory is still 536.9MB. Free memory was 423.3MB in the beginning and 406.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-26 11:52:40,970 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 138.4MB. Free memory is still 111.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1098.02ms. Allocated memory was 138.4MB in the beginning and 167.8MB in the end (delta: 29.4MB). Free memory was 89.3MB in the beginning and 118.4MB in the end (delta: -29.1MB). Peak memory consumption was 40.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 187.37ms. Allocated memory is still 167.8MB. Free memory was 118.4MB in the beginning and 101.2MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 234.26ms. Allocated memory is still 167.8MB. Free memory was 101.2MB in the beginning and 76.1MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * RCFGBuilder took 2189.01ms. Allocated memory is still 167.8MB. Free memory was 76.1MB in the beginning and 85.5MB in the end (delta: -9.4MB). Peak memory consumption was 24.2MB. Max. memory is 16.1GB. * TraceAbstraction took 25652.85ms. Allocated memory was 167.8MB in the beginning and 536.9MB in the end (delta: 369.1MB). Free memory was 85.5MB in the beginning and 423.3MB in the end (delta: -337.8MB). Peak memory consumption was 300.7MB. Max. memory is 16.1GB. * Witness Printer took 283.86ms. Allocated memory is still 536.9MB. Free memory was 423.3MB in the beginning and 406.5MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * 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 - PositiveResult [Line: 187]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 221 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 25.6s, OverallIterations: 14, TraceHistogramMax: 5, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, AutomataDifference: 14.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1825 SdHoareTripleChecker+Valid, 13.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1825 mSDsluCounter, 3648 SdHoareTripleChecker+Invalid, 11.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 272 mSDsCounter, 1199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6966 IncrementalHoareTripleChecker+Invalid, 8165 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1199 mSolverCounterUnsat, 3376 mSDtfsCounter, 6966 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 565 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=10734occurred in iteration=13, InterpolantAutomatonStates: 41, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 1325 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 1 LocationsWithAnnotation, 1 PreInvPairs, 70 NumberOfFragments, 54 HoareAnnotationTreeSize, 1 FomulaSimplifications, 234 FormulaSimplificationTreeSizeReduction, 0.6s HoareSimplificationTime, 1 FomulaSimplificationsInter, 993 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 4552 NumberOfCodeBlocks, 4552 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 4537 ConstructedInterpolants, 0 QuantifiedInterpolants, 8556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 690 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 15 InterpolantComputations, 14 PerfectInterpolantSequences, 5007/5413 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1044]: Loop Invariant Derived loop invariant: ((((((((a25 == 12) || ((141 <= a29) && (a4 == 1))) || (((a23 + 43) <= 0) && !((a4 == 1)))) || ((139 <= a23) && (a4 == 1))) || ((a25 == 13) && !((a4 == 1)))) || (246 <= a29)) || ((a25 <= 10) && (a4 == 1))) || ((a29 <= 220) && !((a4 == 1)))) RESULT: Ultimate proved your program to be correct! [2023-11-26 11:52:40,999 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fba9c9a0-b8ad-4820-9dbc-93fc18305a54/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 Writing output log to file Ultimate.log Result: TRUE