./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e7bb482b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/config/AutomizerReach.xml -i ../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP --witnessprinter.witness.filename witness.graphml --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 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b --- Real Ultimate output --- This is Ultimate 0.2.3-dev-e7bb482 [2023-11-06 22:05:20,065 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-06 22:05:20,179 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-06 22:05:20,188 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-06 22:05:20,189 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-06 22:05:20,227 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-06 22:05:20,228 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-06 22:05:20,228 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-06 22:05:20,229 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-06 22:05:20,234 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-06 22:05:20,236 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-06 22:05:20,236 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-06 22:05:20,237 INFO L153 SettingsManager]: * Use SBE=true [2023-11-06 22:05:20,238 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-06 22:05:20,239 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-06 22:05:20,239 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-06 22:05:20,240 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-06 22:05:20,240 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-06 22:05:20,240 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-06 22:05:20,241 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-06 22:05:20,241 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-06 22:05:20,242 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-06 22:05:20,242 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-06 22:05:20,242 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-06 22:05:20,243 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-06 22:05:20,244 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-06 22:05:20,244 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-06 22:05:20,244 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-06 22:05:20,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:20,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-06 22:05:20,247 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-06 22:05:20,247 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2023-11-06 22:05:20,247 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-06 22:05:20,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-06 22:05:20,248 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-06 22:05:20,248 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-06 22:05:20,248 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-06 22:05:20,248 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-06 22:05:20,249 INFO L153 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2023-11-06 22:05:20,249 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_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5ce8f2917f3c045e2dd62444de112f0f7cfab2516baa3561b477720f1fd4fa0b [2023-11-06 22:05:20,551 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-06 22:05:20,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-06 22:05:20,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-06 22:05:20,585 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-06 22:05:20,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-06 22:05:20,587 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/../../sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2023-11-06 22:05:23,821 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-06 22:05:24,177 INFO L384 CDTParser]: Found 1 translation units. [2023-11-06 22:05:24,177 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c [2023-11-06 22:05:24,221 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/data/2ab16907c/d8e47087b9664cf6aa8db663b6d68d11/FLAGf33d33fe8 [2023-11-06 22:05:24,238 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/data/2ab16907c/d8e47087b9664cf6aa8db663b6d68d11 [2023-11-06 22:05:24,241 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-06 22:05:24,242 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-06 22:05:24,244 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:24,245 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-06 22:05:24,251 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-06 22:05:24,252 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:24" (1/1) ... [2023-11-06 22:05:24,253 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b996b6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:24, skipping insertion in model container [2023-11-06 22:05:24,253 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.11 10:05:24" (1/1) ... [2023-11-06 22:05:24,329 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-06 22:05:24,503 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_dad6cdcc-2490-461f-906c-1ab6c37f0d80/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2023-11-06 22:05:24,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:24,959 INFO L202 MainTranslator]: Completed pre-run [2023-11-06 22:05:24,970 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"/tmp/aaaa/nxt.ok2.i","-S") [47] [2023-11-06 22:05:24,988 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_dad6cdcc-2490-461f-906c-1ab6c37f0d80/sv-benchmarks/c/seq-mthreaded/rekcba_nxt.2.M1-2.c[1937,1950] [2023-11-06 22:05:25,254 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-06 22:05:25,291 INFO L206 MainTranslator]: Completed translation [2023-11-06 22:05:25,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25 WrapperNode [2023-11-06 22:05:25,292 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-06 22:05:25,293 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:25,293 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-06 22:05:25,293 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-06 22:05:25,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,376 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,592 INFO L138 Inliner]: procedures = 58, calls = 1758, calls flagged for inlining = 24, calls inlined = 24, statements flattened = 3927 [2023-11-06 22:05:25,592 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-06 22:05:25,593 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-06 22:05:25,593 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-06 22:05:25,594 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-06 22:05:25,603 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,603 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,627 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,627 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,739 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,758 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,774 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,792 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,827 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-06 22:05:25,828 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-06 22:05:25,829 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-06 22:05:25,829 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-06 22:05:25,830 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (1/1) ... [2023-11-06 22:05:25,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-06 22:05:25,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/z3 [2023-11-06 22:05:25,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-06 22:05:25,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_dad6cdcc-2490-461f-906c-1ab6c37f0d80/bin/uautomizer-verify-WvqO1wxjHP/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-06 22:05:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-06 22:05:25,905 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t2 [2023-11-06 22:05:25,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t2 [2023-11-06 22:05:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_nxtway_gs_mode [2023-11-06 22:05:25,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_nxtway_gs_mode [2023-11-06 22:05:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-06 22:05:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t0 [2023-11-06 22:05:25,906 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t0 [2023-11-06 22:05:25,906 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_cs_t1 [2023-11-06 22:05:25,907 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_cs_t1 [2023-11-06 22:05:25,907 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_write_obstacle_flag [2023-11-06 22:05:25,908 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_write_obstacle_flag [2023-11-06 22:05:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-06 22:05:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_count [2023-11-06 22:05:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_count [2023-11-06 22:05:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_gyro_sensor [2023-11-06 22:05:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_gyro_sensor [2023-11-06 22:05:25,909 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-11-06 22:05:25,909 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts1 [2023-11-06 22:05:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-11-06 22:05:25,910 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_ts2 [2023-11-06 22:05:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-06 22:05:25,910 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_entry_pt_OSEK_Task_Background [2023-11-06 22:05:25,911 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_entry_pt_OSEK_Task_Background [2023-11-06 22:05:25,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-06 22:05:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure assert [2023-11-06 22:05:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure assert [2023-11-06 22:05:25,912 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_set_speed [2023-11-06 22:05:25,912 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_set_speed [2023-11-06 22:05:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-06 22:05:25,913 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-06 22:05:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-06 22:05:25,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-06 22:05:25,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-06 22:05:25,914 INFO L130 BoogieDeclarations]: Found specification of procedure ecrobot_get_systick_ms [2023-11-06 22:05:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure ecrobot_get_systick_ms [2023-11-06 22:05:25,915 INFO L130 BoogieDeclarations]: Found specification of procedure nxt_motor_get_count [2023-11-06 22:05:25,915 INFO L138 BoogieDeclarations]: Found implementation of procedure nxt_motor_get_count [2023-11-06 22:05:25,916 INFO L130 BoogieDeclarations]: Found specification of procedure __startrek_read_nxtway_gs_mode [2023-11-06 22:05:25,916 INFO L138 BoogieDeclarations]: Found implementation of procedure __startrek_read_nxtway_gs_mode [2023-11-06 22:05:26,494 INFO L236 CfgBuilder]: Building ICFG [2023-11-06 22:05:26,496 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-06 22:05:34,159 INFO L277 CfgBuilder]: Performing block encoding [2023-11-06 22:05:34,182 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-06 22:05:34,182 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-06 22:05:34,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:34 BoogieIcfgContainer [2023-11-06 22:05:34,187 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-06 22:05:34,190 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-06 22:05:34,191 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-06 22:05:34,194 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-06 22:05:34,194 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.11 10:05:24" (1/3) ... [2023-11-06 22:05:34,195 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84909cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:34, skipping insertion in model container [2023-11-06 22:05:34,195 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.11 10:05:25" (2/3) ... [2023-11-06 22:05:34,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@84909cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.11 10:05:34, skipping insertion in model container [2023-11-06 22:05:34,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.11 10:05:34" (3/3) ... [2023-11-06 22:05:34,198 INFO L112 eAbstractionObserver]: Analyzing ICFG rekcba_nxt.2.M1-2.c [2023-11-06 22:05:34,217 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-06 22:05:34,218 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-06 22:05:34,320 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-06 22:05:34,325 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=LoopsAndPotentialCycles, 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;@1e9e9260, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2023-11-06 22:05:34,326 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-06 22:05:34,341 INFO L276 IsEmpty]: Start isEmpty. Operand has 1203 states, 766 states have (on average 1.283289817232376) internal successors, (983), 798 states have internal predecessors, (983), 419 states have call successors, (419), 16 states have call predecessors, (419), 16 states have return successors, (419), 417 states have call predecessors, (419), 419 states have call successors, (419) [2023-11-06 22:05:34,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-11-06 22:05:34,430 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:34,431 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:34,432 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:34,437 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:34,438 INFO L85 PathProgramCache]: Analyzing trace with hash -705707352, now seen corresponding path program 1 times [2023-11-06 22:05:34,447 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:34,447 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478175507] [2023-11-06 22:05:34,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:34,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:05:42,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:05:42,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,968 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:05:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,984 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:05:42,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,989 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:05:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:42,997 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:05:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,003 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:05:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,007 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:05:43,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:05:43,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:05:43,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:05:43,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 22:05:43,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,043 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 22:05:43,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,046 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:05:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,049 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-06 22:05:43,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,054 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:05:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:05:43,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:05:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,065 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 22:05:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,069 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:05:43,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,073 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:05:43,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,077 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:05:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,083 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-06 22:05:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,087 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-06 22:05:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:05:43,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,097 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-06 22:05:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,103 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:05:43,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:05:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:05:43,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,116 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-06 22:05:43,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,121 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:05:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,128 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-06 22:05:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,135 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 22:05:43,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,139 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-06 22:05:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,146 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2023-11-06 22:05:43,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2023-11-06 22:05:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,160 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-06 22:05:43,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,164 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2023-11-06 22:05:43,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2023-11-06 22:05:43,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,174 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2023-11-06 22:05:43,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,180 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2023-11-06 22:05:43,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,187 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2023-11-06 22:05:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2023-11-06 22:05:43,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,198 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2023-11-06 22:05:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2023-11-06 22:05:43,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-11-06 22:05:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,218 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2023-11-06 22:05:43,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,222 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-06 22:05:43,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,227 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2023-11-06 22:05:43,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2023-11-06 22:05:43,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,235 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-11-06 22:05:43,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2023-11-06 22:05:43,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,246 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2023-11-06 22:05:43,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,251 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2023-11-06 22:05:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2023-11-06 22:05:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,260 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2023-11-06 22:05:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2023-11-06 22:05:43,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,271 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2023-11-06 22:05:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2023-11-06 22:05:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,282 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2023-11-06 22:05:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2023-11-06 22:05:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,291 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2023-11-06 22:05:43,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,295 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2023-11-06 22:05:43,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2023-11-06 22:05:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2023-11-06 22:05:43,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2023-11-06 22:05:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2023-11-06 22:05:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,331 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2023-11-06 22:05:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2023-11-06 22:05:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,339 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2023-11-06 22:05:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2023-11-06 22:05:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2023-11-06 22:05:43,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,353 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-11-06 22:05:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2023-11-06 22:05:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2023-11-06 22:05:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2023-11-06 22:05:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2023-11-06 22:05:43,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,377 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-11-06 22:05:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,381 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2023-11-06 22:05:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,386 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2023-11-06 22:05:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2023-11-06 22:05:43,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,395 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2023-11-06 22:05:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,400 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2023-11-06 22:05:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,404 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2023-11-06 22:05:43,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,408 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2023-11-06 22:05:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2023-11-06 22:05:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:05:43,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-11-06 22:05:43,427 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:05:43,427 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478175507] [2023-11-06 22:05:43,428 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478175507] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:05:43,428 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:05:43,428 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-06 22:05:43,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [3025705] [2023-11-06 22:05:43,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:05:43,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-06 22:05:43,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:05:43,471 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-06 22:05:43,472 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:05:43,477 INFO L87 Difference]: Start difference. First operand has 1203 states, 766 states have (on average 1.283289817232376) internal successors, (983), 798 states have internal predecessors, (983), 419 states have call successors, (419), 16 states have call predecessors, (419), 16 states have return successors, (419), 417 states have call predecessors, (419), 419 states have call successors, (419) Second operand has 2 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2023-11-06 22:05:43,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:05:43,687 INFO L93 Difference]: Finished difference Result 2401 states and 4039 transitions. [2023-11-06 22:05:43,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-06 22:05:43,689 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) Word has length 722 [2023-11-06 22:05:43,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:05:43,724 INFO L225 Difference]: With dead ends: 2401 [2023-11-06 22:05:43,725 INFO L226 Difference]: Without dead ends: 1195 [2023-11-06 22:05:43,743 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 257 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-06 22:05:43,747 INFO L413 NwaCegarLoop]: 1818 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 1818 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:05:43,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 1818 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-06 22:05:43,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2023-11-06 22:05:44,190 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1195. [2023-11-06 22:05:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1195 states, 759 states have (on average 1.2806324110671936) internal successors, (972), 791 states have internal predecessors, (972), 419 states have call successors, (419), 16 states have call predecessors, (419), 16 states have return successors, (418), 416 states have call predecessors, (418), 418 states have call successors, (418) [2023-11-06 22:05:44,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1195 states and 1809 transitions. [2023-11-06 22:05:44,209 INFO L78 Accepts]: Start accepts. Automaton has 1195 states and 1809 transitions. Word has length 722 [2023-11-06 22:05:44,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:05:44,212 INFO L495 AbstractCegarLoop]: Abstraction has 1195 states and 1809 transitions. [2023-11-06 22:05:44,213 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 149.5) internal successors, (299), 2 states have internal predecessors, (299), 2 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 1 states have call predecessors, (85), 2 states have call successors, (85) [2023-11-06 22:05:44,213 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1809 transitions. [2023-11-06 22:05:44,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 723 [2023-11-06 22:05:44,253 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:05:44,254 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:05:44,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-06 22:05:44,258 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:05:44,258 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:05:44,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1696245874, now seen corresponding path program 1 times [2023-11-06 22:05:44,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:05:44,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128391213] [2023-11-06 22:05:44,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:05:44,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:06:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:06:33,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:06:33,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,498 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:06:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,515 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:06:33,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,526 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:06:33,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,538 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:06:33,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,553 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:06:33,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,566 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:06:33,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:06:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,613 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:06:33,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,629 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 22:06:33,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,644 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 22:06:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:06:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,666 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-06 22:06:33,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:06:33,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:06:33,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:06:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,711 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 22:06:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,727 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:06:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:06:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:06:33,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-06 22:06:33,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-06 22:06:33,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,797 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:06:33,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,810 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-06 22:06:33,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,823 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:06:33,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:06:33,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:06:33,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-06 22:06:33,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:06:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-06 22:06:33,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,893 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 22:06:33,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-06 22:06:33,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2023-11-06 22:06:33,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2023-11-06 22:06:33,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-06 22:06:33,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2023-11-06 22:06:33,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2023-11-06 22:06:33,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2023-11-06 22:06:33,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,971 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2023-11-06 22:06:33,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,978 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2023-11-06 22:06:33,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:33,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2023-11-06 22:06:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2023-11-06 22:06:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,010 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2023-11-06 22:06:34,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-11-06 22:06:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,022 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2023-11-06 22:06:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,029 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-06 22:06:34,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2023-11-06 22:06:34,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,045 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2023-11-06 22:06:34,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-11-06 22:06:34,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2023-11-06 22:06:34,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,067 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2023-11-06 22:06:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2023-11-06 22:06:34,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,080 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2023-11-06 22:06:34,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2023-11-06 22:06:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,093 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2023-11-06 22:06:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,099 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2023-11-06 22:06:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,106 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2023-11-06 22:06:34,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,113 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2023-11-06 22:06:34,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2023-11-06 22:06:34,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,125 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2023-11-06 22:06:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,131 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2023-11-06 22:06:34,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,137 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2023-11-06 22:06:34,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,143 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2023-11-06 22:06:34,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,149 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2023-11-06 22:06:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2023-11-06 22:06:34,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2023-11-06 22:06:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2023-11-06 22:06:34,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2023-11-06 22:06:34,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,182 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2023-11-06 22:06:34,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,189 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2023-11-06 22:06:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,196 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-11-06 22:06:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,203 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2023-11-06 22:06:34,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,210 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2023-11-06 22:06:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,217 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2023-11-06 22:06:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,224 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2023-11-06 22:06:34,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,231 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-11-06 22:06:34,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,238 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2023-11-06 22:06:34,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,245 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2023-11-06 22:06:34,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2023-11-06 22:06:34,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2023-11-06 22:06:34,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,265 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2023-11-06 22:06:34,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,273 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2023-11-06 22:06:34,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2023-11-06 22:06:34,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,287 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2023-11-06 22:06:34,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:06:34,307 INFO L134 CoverageAnalysis]: Checked inductivity of 14280 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-11-06 22:06:34,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:06:34,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128391213] [2023-11-06 22:06:34,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128391213] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:06:34,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:06:34,309 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2023-11-06 22:06:34,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [608980128] [2023-11-06 22:06:34,309 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:06:34,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-06 22:06:34,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:06:34,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-06 22:06:34,315 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2023-11-06 22:06:34,315 INFO L87 Difference]: Start difference. First operand 1195 states and 1809 transitions. Second operand has 11 states, 10 states have (on average 29.9) internal successors, (299), 10 states have internal predecessors, (299), 6 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 5 states have call predecessors, (85), 5 states have call successors, (85) [2023-11-06 22:06:36,478 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:38,488 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:40,497 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:42,503 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:46,446 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:48,459 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:50,473 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:52,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:06:56,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:06:56,025 INFO L93 Difference]: Finished difference Result 1594 states and 2418 transitions. [2023-11-06 22:06:56,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:06:56,026 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 29.9) internal successors, (299), 10 states have internal predecessors, (299), 6 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 5 states have call predecessors, (85), 5 states have call successors, (85) Word has length 722 [2023-11-06 22:06:56,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:06:56,051 INFO L225 Difference]: With dead ends: 1594 [2023-11-06 22:06:56,051 INFO L226 Difference]: Without dead ends: 1592 [2023-11-06 22:06:56,054 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 175 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2023-11-06 22:06:56,055 INFO L413 NwaCegarLoop]: 1287 mSDtfsCounter, 1754 mSDsluCounter, 4753 mSDsCounter, 0 mSdLazyCounter, 2530 mSolverCounterSat, 8 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1754 SdHoareTripleChecker+Valid, 6040 SdHoareTripleChecker+Invalid, 2546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2530 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 20.9s IncrementalHoareTripleChecker+Time [2023-11-06 22:06:56,056 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1754 Valid, 6040 Invalid, 2546 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2530 Invalid, 8 Unknown, 0 Unchecked, 20.9s Time] [2023-11-06 22:06:56,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1592 states. [2023-11-06 22:06:56,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1592 to 1590. [2023-11-06 22:06:56,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1590 states, 992 states have (on average 1.2671370967741935) internal successors, (1257), 1050 states have internal predecessors, (1257), 568 states have call successors, (568), 29 states have call predecessors, (568), 29 states have return successors, (590), 563 states have call predecessors, (590), 566 states have call successors, (590) [2023-11-06 22:06:56,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1590 states and 2415 transitions. [2023-11-06 22:06:56,721 INFO L78 Accepts]: Start accepts. Automaton has 1590 states and 2415 transitions. Word has length 722 [2023-11-06 22:06:56,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:06:56,729 INFO L495 AbstractCegarLoop]: Abstraction has 1590 states and 2415 transitions. [2023-11-06 22:06:56,729 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 29.9) internal successors, (299), 10 states have internal predecessors, (299), 6 states have call successors, (86), 2 states have call predecessors, (86), 1 states have return successors, (85), 5 states have call predecessors, (85), 5 states have call successors, (85) [2023-11-06 22:06:56,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2415 transitions. [2023-11-06 22:06:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 729 [2023-11-06 22:06:56,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:06:56,783 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:06:56,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-06 22:06:56,784 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:06:56,785 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:06:56,786 INFO L85 PathProgramCache]: Analyzing trace with hash -1952824223, now seen corresponding path program 1 times [2023-11-06 22:06:56,786 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:06:56,786 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1165659682] [2023-11-06 22:06:56,787 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:06:56,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:07:45,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,334 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2023-11-06 22:08:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,346 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-06 22:08:01,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-06 22:08:01,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,370 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2023-11-06 22:08:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2023-11-06 22:08:01,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2023-11-06 22:08:01,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2023-11-06 22:08:01,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,410 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2023-11-06 22:08:01,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2023-11-06 22:08:01,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2023-11-06 22:08:01,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,438 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2023-11-06 22:08:01,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2023-11-06 22:08:01,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,458 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80 [2023-11-06 22:08:01,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,468 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2023-11-06 22:08:01,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,479 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2023-11-06 22:08:01,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2023-11-06 22:08:01,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2023-11-06 22:08:01,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,509 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 110 [2023-11-06 22:08:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2023-11-06 22:08:01,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2023-11-06 22:08:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,539 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 128 [2023-11-06 22:08:01,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,548 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2023-11-06 22:08:01,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2023-11-06 22:08:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2023-11-06 22:08:01,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,579 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 152 [2023-11-06 22:08:01,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2023-11-06 22:08:01,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 164 [2023-11-06 22:08:01,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,609 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2023-11-06 22:08:01,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,619 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 176 [2023-11-06 22:08:01,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,630 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2023-11-06 22:08:01,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,641 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 188 [2023-11-06 22:08:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,651 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 194 [2023-11-06 22:08:01,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,662 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2023-11-06 22:08:01,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 405 [2023-11-06 22:08:01,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 411 [2023-11-06 22:08:01,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,683 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 417 [2023-11-06 22:08:01,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,688 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 423 [2023-11-06 22:08:01,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,693 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 429 [2023-11-06 22:08:01,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,698 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 435 [2023-11-06 22:08:01,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,703 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 441 [2023-11-06 22:08:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,709 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 447 [2023-11-06 22:08:01,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,713 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 453 [2023-11-06 22:08:01,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,718 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2023-11-06 22:08:01,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 465 [2023-11-06 22:08:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,728 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 471 [2023-11-06 22:08:01,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,733 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 477 [2023-11-06 22:08:01,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,739 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 483 [2023-11-06 22:08:01,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,744 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 489 [2023-11-06 22:08:01,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 495 [2023-11-06 22:08:01,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,754 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 501 [2023-11-06 22:08:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,760 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 507 [2023-11-06 22:08:01,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2023-11-06 22:08:01,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,771 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 519 [2023-11-06 22:08:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,777 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 525 [2023-11-06 22:08:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,782 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 531 [2023-11-06 22:08:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,788 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 537 [2023-11-06 22:08:01,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 543 [2023-11-06 22:08:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,799 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 549 [2023-11-06 22:08:01,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,805 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 555 [2023-11-06 22:08:01,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,811 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 561 [2023-11-06 22:08:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 567 [2023-11-06 22:08:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,822 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 573 [2023-11-06 22:08:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,828 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 579 [2023-11-06 22:08:01,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,833 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 585 [2023-11-06 22:08:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 591 [2023-11-06 22:08:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,845 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 597 [2023-11-06 22:08:01,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,850 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 603 [2023-11-06 22:08:01,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,856 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2023-11-06 22:08:01,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,862 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 615 [2023-11-06 22:08:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,867 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 621 [2023-11-06 22:08:01,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 627 [2023-11-06 22:08:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 633 [2023-11-06 22:08:01,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,884 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 639 [2023-11-06 22:08:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,890 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 645 [2023-11-06 22:08:01,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 651 [2023-11-06 22:08:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,902 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 657 [2023-11-06 22:08:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,908 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 663 [2023-11-06 22:08:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,913 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 669 [2023-11-06 22:08:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,918 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 675 [2023-11-06 22:08:01,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,924 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 681 [2023-11-06 22:08:01,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,930 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 687 [2023-11-06 22:08:01,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,935 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 693 [2023-11-06 22:08:01,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,941 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 699 [2023-11-06 22:08:01,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,947 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 705 [2023-11-06 22:08:01,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 711 [2023-11-06 22:08:01,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 718 [2023-11-06 22:08:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-06 22:08:01,976 INFO L134 CoverageAnalysis]: Checked inductivity of 14282 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 14280 trivial. 0 not checked. [2023-11-06 22:08:01,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-06 22:08:01,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1165659682] [2023-11-06 22:08:01,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1165659682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-06 22:08:01,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-06 22:08:01,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2023-11-06 22:08:01,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1865690031] [2023-11-06 22:08:01,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-06 22:08:01,979 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2023-11-06 22:08:01,980 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-06 22:08:01,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2023-11-06 22:08:01,981 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2023-11-06 22:08:01,982 INFO L87 Difference]: Start difference. First operand 1590 states and 2415 transitions. Second operand has 10 states, 9 states have (on average 33.666666666666664) internal successors, (303), 9 states have internal predecessors, (303), 5 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 4 states have call predecessors, (86), 4 states have call successors, (86) [2023-11-06 22:08:04,107 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:06,116 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:08,123 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:10,145 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:13,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:15,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:18,001 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:20,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-06 22:08:23,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-06 22:08:23,638 INFO L93 Difference]: Finished difference Result 1598 states and 2421 transitions. [2023-11-06 22:08:23,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2023-11-06 22:08:23,639 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 33.666666666666664) internal successors, (303), 9 states have internal predecessors, (303), 5 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 4 states have call predecessors, (86), 4 states have call successors, (86) Word has length 728 [2023-11-06 22:08:23,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-06 22:08:23,666 INFO L225 Difference]: With dead ends: 1598 [2023-11-06 22:08:23,666 INFO L226 Difference]: Without dead ends: 1596 [2023-11-06 22:08:23,668 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 188 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2023-11-06 22:08:23,670 INFO L413 NwaCegarLoop]: 1290 mSDtfsCounter, 1751 mSDsluCounter, 5674 mSDsCounter, 0 mSdLazyCounter, 2862 mSolverCounterSat, 8 mSolverCounterUnsat, 8 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 20.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1751 SdHoareTripleChecker+Valid, 6964 SdHoareTripleChecker+Invalid, 2878 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 2862 IncrementalHoareTripleChecker+Invalid, 8 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 21.0s IncrementalHoareTripleChecker+Time [2023-11-06 22:08:23,673 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [1751 Valid, 6964 Invalid, 2878 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [8 Valid, 2862 Invalid, 8 Unknown, 0 Unchecked, 21.0s Time] [2023-11-06 22:08:23,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1596 states. [2023-11-06 22:08:24,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1596 to 1594. [2023-11-06 22:08:24,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1594 states, 995 states have (on average 1.2663316582914572) internal successors, (1260), 1053 states have internal predecessors, (1260), 568 states have call successors, (568), 30 states have call predecessors, (568), 30 states have return successors, (590), 563 states have call predecessors, (590), 566 states have call successors, (590) [2023-11-06 22:08:24,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1594 states and 2418 transitions. [2023-11-06 22:08:24,124 INFO L78 Accepts]: Start accepts. Automaton has 1594 states and 2418 transitions. Word has length 728 [2023-11-06 22:08:24,126 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-06 22:08:24,126 INFO L495 AbstractCegarLoop]: Abstraction has 1594 states and 2418 transitions. [2023-11-06 22:08:24,127 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 33.666666666666664) internal successors, (303), 9 states have internal predecessors, (303), 5 states have call successors, (87), 2 states have call predecessors, (87), 1 states have return successors, (86), 4 states have call predecessors, (86), 4 states have call successors, (86) [2023-11-06 22:08:24,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 2418 transitions. [2023-11-06 22:08:24,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 735 [2023-11-06 22:08:24,172 INFO L187 NwaCegarLoop]: Found error trace [2023-11-06 22:08:24,173 INFO L195 NwaCegarLoop]: trace histogram [85, 85, 85, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-06 22:08:24,173 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-06 22:08:24,173 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting assertErr0ASSERT_VIOLATIONERROR_FUNCTION === [assertErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-06 22:08:24,174 INFO L145 PredicateUnifier]: Initialized classic predicate unifier [2023-11-06 22:08:24,174 INFO L85 PathProgramCache]: Analyzing trace with hash 20434930, now seen corresponding path program 1 times [2023-11-06 22:08:24,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-06 22:08:24,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [911380407] [2023-11-06 22:08:24,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-06 22:08:24,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-06 22:08:51,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat