./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/heap-data/packet_filter.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/heap-data/packet_filter.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 00:42:47,135 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 00:42:47,194 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-09 00:42:47,202 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 00:42:47,203 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-09 00:42:47,229 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 00:42:47,230 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 00:42:47,230 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-09 00:42:47,231 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 00:42:47,231 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 00:42:47,231 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 00:42:47,232 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 00:42:47,232 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 00:42:47,232 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 00:42:47,233 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 00:42:47,233 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 00:42:47,233 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 00:42:47,234 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 00:42:47,234 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 00:42:47,235 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 00:42:47,235 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 00:42:47,239 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 00:42:47,240 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 00:42:47,241 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-09 00:42:47,241 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-09 00:42:47,244 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-09 00:42:47,245 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 00:42:47,245 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:47,245 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 00:42:47,246 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 00:42:47,246 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 00:42:47,246 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-09 00:42:47,247 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 00:42:47,247 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d604fdd8f7c4d34db0106d8a0ff422218ae80e9ee6eb03f691b84d2fcc8ad49f [2024-11-09 00:42:47,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 00:42:47,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 00:42:47,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 00:42:47,600 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 00:42:47,601 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 00:42:47,603 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/heap-data/packet_filter.i Unable to find full path for "g++" [2024-11-09 00:42:49,854 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 00:42:50,147 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 00:42:50,147 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/sv-benchmarks/c/heap-data/packet_filter.i [2024-11-09 00:42:50,161 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/data/6da8320bb/57ea743edcd847c0a2e24c388848a7b0/FLAG361a6271d [2024-11-09 00:42:50,177 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/data/6da8320bb/57ea743edcd847c0a2e24c388848a7b0 [2024-11-09 00:42:50,179 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 00:42:50,181 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 00:42:50,183 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:50,183 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 00:42:50,189 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 00:42:50,190 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,191 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31c5560e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50, skipping insertion in model container [2024-11-09 00:42:50,191 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,238 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 00:42:50,644 WARN L250 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_7222dba2-c7e6-4aad-9929-6abd4259724d/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2024-11-09 00:42:50,655 WARN L250 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_7222dba2-c7e6-4aad-9929-6abd4259724d/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2024-11-09 00:42:50,663 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:50,675 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 00:42:50,728 WARN L250 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_7222dba2-c7e6-4aad-9929-6abd4259724d/sv-benchmarks/c/heap-data/packet_filter.i[23925,23938] [2024-11-09 00:42:50,731 WARN L250 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_7222dba2-c7e6-4aad-9929-6abd4259724d/sv-benchmarks/c/heap-data/packet_filter.i[24159,24172] [2024-11-09 00:42:50,739 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 00:42:50,778 INFO L204 MainTranslator]: Completed translation [2024-11-09 00:42:50,778 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50 WrapperNode [2024-11-09 00:42:50,779 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 00:42:50,780 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:50,780 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 00:42:50,780 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 00:42:50,789 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,805 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,845 INFO L138 Inliner]: procedures = 130, calls = 85, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 161 [2024-11-09 00:42:50,846 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 00:42:50,847 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 00:42:50,848 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 00:42:50,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 00:42:50,859 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,860 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,892 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,900 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,911 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,918 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 00:42:50,920 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 00:42:50,923 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 00:42:50,923 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 00:42:50,924 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 12:42:50" (1/1) ... [2024-11-09 00:42:50,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-09 00:42:50,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-09 00:42:50,968 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-09 00:42:50,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7222dba2-c7e6-4aad-9929-6abd4259724d/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-09 00:42:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-09 00:42:51,014 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-09 00:42:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-09 00:42:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 00:42:51,015 INFO L130 BoogieDeclarations]: Found specification of procedure append_to_queue [2024-11-09 00:42:51,015 INFO L138 BoogieDeclarations]: Found implementation of procedure append_to_queue [2024-11-09 00:42:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2024-11-09 00:42:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-09 00:42:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2024-11-09 00:42:51,016 INFO L130 BoogieDeclarations]: Found specification of procedure send [2024-11-09 00:42:51,016 INFO L138 BoogieDeclarations]: Found implementation of procedure send [2024-11-09 00:42:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-09 00:42:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2024-11-09 00:42:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 00:42:51,017 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 00:42:51,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 00:42:51,191 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 00:42:51,194 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 00:42:51,598 INFO L? ?]: Removed 39 outVars from TransFormulas that were not future-live. [2024-11-09 00:42:51,598 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 00:42:51,697 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 00:42:51,697 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-09 00:42:51,698 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:51 BoogieIcfgContainer [2024-11-09 00:42:51,698 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 00:42:51,699 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-09 00:42:51,699 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-09 00:42:51,711 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-09 00:42:51,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 12:42:51" (1/1) ... [2024-11-09 00:42:51,724 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 00:42:51,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:51,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2024-11-09 00:42:51,803 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2024-11-09 00:42:51,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-09 00:42:51,810 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:51,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:51,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:52,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:52,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:52,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 37 states and 48 transitions. [2024-11-09 00:42:52,036 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 48 transitions. [2024-11-09 00:42:52,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-09 00:42:52,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:52,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:52,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:52,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:52,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:52,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 41 states and 54 transitions. [2024-11-09 00:42:52,548 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 54 transitions. [2024-11-09 00:42:52,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-09 00:42:52,549 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:52,549 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:52,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:52,689 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:53,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:53,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 47 states and 63 transitions. [2024-11-09 00:42:53,071 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 63 transitions. [2024-11-09 00:42:53,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-09 00:42:53,072 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:53,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:53,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:53,623 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:53,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:53,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 51 states and 75 transitions. [2024-11-09 00:42:53,907 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 75 transitions. [2024-11-09 00:42:53,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 00:42:53,908 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:53,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:53,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:54,287 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:54,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:54,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 55 states and 88 transitions. [2024-11-09 00:42:54,633 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 88 transitions. [2024-11-09 00:42:54,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 00:42:54,635 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:54,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:54,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:56,302 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:42:58,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:42:58,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 68 states and 123 transitions. [2024-11-09 00:42:58,030 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 123 transitions. [2024-11-09 00:42:58,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 00:42:58,032 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:42:58,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:42:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:42:58,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:43:00,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:00,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 72 states and 137 transitions. [2024-11-09 00:43:00,035 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 137 transitions. [2024-11-09 00:43:00,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:43:00,038 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:00,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:17,074 WARN L286 SmtUtils]: Spent 5.81s on a formula simplification that was a NOOP. DAG size: 111 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:43:17,085 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:43:33,121 WARN L286 SmtUtils]: Spent 6.14s on a formula simplification that was a NOOP. DAG size: 112 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:43:48,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:43:48,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 79 states and 153 transitions. [2024-11-09 00:43:48,498 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 153 transitions. [2024-11-09 00:43:48,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:43:48,500 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:43:48,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:43:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:43:51,189 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:44:02,589 WARN L286 SmtUtils]: Spent 5.24s on a formula simplification. DAG size of input: 128 DAG size of output: 127 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:44:29,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:44:29,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 89 states and 185 transitions. [2024-11-09 00:44:29,024 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 185 transitions. [2024-11-09 00:44:29,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-09 00:44:29,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:44:29,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:44:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:44:30,474 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:01,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:01,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 89 states and 182 transitions. [2024-11-09 00:45:01,013 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 182 transitions. [2024-11-09 00:45:01,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:45:01,015 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:01,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:01,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:02,576 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:09,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:09,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 93 states and 196 transitions. [2024-11-09 00:45:09,484 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 196 transitions. [2024-11-09 00:45:09,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-09 00:45:09,485 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:09,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:09,801 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:11,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 95 states and 199 transitions. [2024-11-09 00:45:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 199 transitions. [2024-11-09 00:45:11,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:45:11,888 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:11,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:11,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:11,975 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:45:13,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:13,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 95 states and 197 transitions. [2024-11-09 00:45:13,051 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 197 transitions. [2024-11-09 00:45:13,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:45:13,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:13,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:13,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:20,605 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:50,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:50,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 111 states and 245 transitions. [2024-11-09 00:45:50,584 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 245 transitions. [2024-11-09 00:45:50,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-09 00:45:50,586 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:50,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:45:50,837 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:45:53,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:45:53,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 111 states and 240 transitions. [2024-11-09 00:45:53,690 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 240 transitions. [2024-11-09 00:45:53,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:45:53,691 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:45:53,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:45:53,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:46:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:46:22,798 WARN L286 SmtUtils]: Spent 11.45s on a formula simplification. DAG size of input: 160 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:46:34,521 WARN L286 SmtUtils]: Spent 7.28s on a formula simplification. DAG size of input: 161 DAG size of output: 159 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:46:47,805 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:46:49,161 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:47:07,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:07,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 117 states and 262 transitions. [2024-11-09 00:47:07,991 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 262 transitions. [2024-11-09 00:47:07,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:47:07,993 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:07,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:08,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:47:09,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:09,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 117 states and 259 transitions. [2024-11-09 00:47:09,567 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 259 transitions. [2024-11-09 00:47:09,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:47:09,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:09,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:09,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:10,614 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:47:16,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:16,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 120 states and 268 transitions. [2024-11-09 00:47:16,429 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 268 transitions. [2024-11-09 00:47:16,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-09 00:47:16,430 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:16,430 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:47:18,893 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:47:28,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:47:28,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 124 states and 274 transitions. [2024-11-09 00:47:28,105 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 274 transitions. [2024-11-09 00:47:28,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:47:28,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:47:28,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:47:28,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:48:02,758 WARN L286 SmtUtils]: Spent 10.09s on a formula simplification that was a NOOP. DAG size: 129 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:48:02,788 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:48:20,388 WARN L286 SmtUtils]: Spent 11.56s on a formula simplification. DAG size of input: 160 DAG size of output: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:48:43,279 WARN L286 SmtUtils]: Spent 9.10s on a formula simplification that was a NOOP. DAG size: 130 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:49:06,795 WARN L286 SmtUtils]: Spent 18.41s on a formula simplification. DAG size of input: 162 DAG size of output: 152 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:49:27,267 WARN L286 SmtUtils]: Spent 6.63s on a formula simplification that was a NOOP. DAG size: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:49:32,544 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.27s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:49:50,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.00s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:49:57,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:49:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 125 states and 276 transitions. [2024-11-09 00:49:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 276 transitions. [2024-11-09 00:49:57,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:49:57,706 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:49:57,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:49:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:09,610 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:50:17,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:50:17,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 128 states and 284 transitions. [2024-11-09 00:50:17,121 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 284 transitions. [2024-11-09 00:50:17,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:50:17,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:50:17,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:50:17,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:50:30,761 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:51:21,288 WARN L286 SmtUtils]: Spent 19.96s on a formula simplification. DAG size of input: 162 DAG size of output: 159 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:51:46,415 WARN L286 SmtUtils]: Spent 15.22s on a formula simplification. DAG size of input: 164 DAG size of output: 152 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:52:08,747 WARN L286 SmtUtils]: Spent 6.45s on a formula simplification that was a NOOP. DAG size: 160 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:52:18,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.49s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:52:42,867 WARN L286 SmtUtils]: Spent 7.01s on a formula simplification that was a NOOP. DAG size: 153 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:52:54,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:52:54,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 134 states and 310 transitions. [2024-11-09 00:52:54,105 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 310 transitions. [2024-11-09 00:52:54,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:52:54,107 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:52:54,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:52:54,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:52:59,219 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:53:15,140 WARN L286 SmtUtils]: Spent 7.92s on a formula simplification. DAG size of input: 162 DAG size of output: 149 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:53:39,862 WARN L286 SmtUtils]: Spent 16.51s on a formula simplification. DAG size of input: 164 DAG size of output: 162 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:54:03,578 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.21s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:54:41,405 WARN L286 SmtUtils]: Spent 9.14s on a formula simplification that was a NOOP. DAG size: 163 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:54:47,875 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:55:00,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:00,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 137 states and 316 transitions. [2024-11-09 00:55:00,863 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 316 transitions. [2024-11-09 00:55:00,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-09 00:55:00,864 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:00,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:00,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:09,045 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 00:55:17,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-09 00:55:17,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 138 states and 322 transitions. [2024-11-09 00:55:17,015 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 322 transitions. [2024-11-09 00:55:17,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-09 00:55:17,016 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-09 00:55:17,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 00:55:17,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 00:55:46,174 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 00:56:15,590 WARN L286 SmtUtils]: Spent 13.13s on a formula simplification. DAG size of input: 162 DAG size of output: 161 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:56:34,406 WARN L286 SmtUtils]: Spent 9.14s on a formula simplification. DAG size of input: 164 DAG size of output: 158 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:56:54,423 WARN L286 SmtUtils]: Spent 6.04s on a formula simplification that was a NOOP. DAG size: 162 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:56:56,647 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-09 00:57:18,968 WARN L286 SmtUtils]: Spent 5.06s on a formula simplification that was a NOOP. DAG size: 159 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:57:22,437 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.47s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers []