./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loops/linear_sea.ch.c --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_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/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_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/loops/linear_sea.ch.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/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_54aeb978-7975-43e1-8f24-110390e57877/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 eb9784c54ab470258ada67babaf5f63148f3484f17edd94b8d28d55553534fa5 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:45:28,084 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:45:28,208 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:45:28,213 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:45:28,213 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:45:28,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:45:28,238 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:45:28,238 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:45:28,239 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:45:28,240 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:45:28,240 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:45:28,241 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:45:28,241 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:45:28,242 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:45:28,242 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:45:28,242 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:45:28,243 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:45:28,243 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:45:28,244 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:45:28,244 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:45:28,245 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:45:28,246 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:45:28,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:45:28,247 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:45:28,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:45:28,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:45:28,249 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:45:28,249 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:28,253 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:45:28,254 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:45:28,254 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:45:28,254 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:45:28,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:45:28,255 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_54aeb978-7975-43e1-8f24-110390e57877/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eb9784c54ab470258ada67babaf5f63148f3484f17edd94b8d28d55553534fa5 [2024-11-08 23:45:28,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:45:28,604 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:45:28,608 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:45:28,609 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:45:28,610 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:45:28,612 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/loops/linear_sea.ch.c Unable to find full path for "g++" [2024-11-08 23:45:30,776 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:45:31,015 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:45:31,016 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/sv-benchmarks/c/loops/linear_sea.ch.c [2024-11-08 23:45:31,026 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/data/d13db924a/49eb74a64d5945dcb68428d410b8ea04/FLAG541f1642f [2024-11-08 23:45:31,367 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/data/d13db924a/49eb74a64d5945dcb68428d410b8ea04 [2024-11-08 23:45:31,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:45:31,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:45:31,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:31,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:45:31,383 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:45:31,383 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62cdd771 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31, skipping insertion in model container [2024-11-08 23:45:31,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,419 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:45:31,694 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_54aeb978-7975-43e1-8f24-110390e57877/sv-benchmarks/c/loops/linear_sea.ch.c[383,396] [2024-11-08 23:45:31,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:31,748 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:45:31,764 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_54aeb978-7975-43e1-8f24-110390e57877/sv-benchmarks/c/loops/linear_sea.ch.c[383,396] [2024-11-08 23:45:31,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:45:31,810 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:45:31,811 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31 WrapperNode [2024-11-08 23:45:31,811 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:45:31,813 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:31,813 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:45:31,813 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:45:31,823 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,833 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,861 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 55 [2024-11-08 23:45:31,863 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:45:31,864 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:45:31,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:45:31,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:45:31,877 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,877 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,879 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,881 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,888 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,896 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,900 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,905 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,907 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:45:31,908 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:45:31,912 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:45:31,912 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:45:31,914 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:45:31" (1/1) ... [2024-11-08 23:45:31,924 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:45:31,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:45:31,958 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:45:31,962 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_54aeb978-7975-43e1-8f24-110390e57877/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:45:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:45:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:45:32,001 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:45:32,002 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-08 23:45:32,003 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:45:32,003 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:45:32,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:45:32,140 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:45:32,143 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:45:32,423 INFO L? ?]: Removed 21 outVars from TransFormulas that were not future-live. [2024-11-08 23:45:32,424 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:45:32,516 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:45:32,516 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-08 23:45:32,517 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32 BoogieIcfgContainer [2024-11-08 23:45:32,517 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:45:32,518 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:45:32,519 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:45:32,532 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:45:32,533 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:45:32" (1/1) ... [2024-11-08 23:45:32,549 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:45:32,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2024-11-08 23:45:32,622 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2024-11-08 23:45:32,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-08 23:45:32,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:32,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:32,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:32,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:32,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2024-11-08 23:45:32,971 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2024-11-08 23:45:32,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-08 23:45:32,972 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:32,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:33,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:33,411 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:33,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:33,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-08 23:45:33,504 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-08 23:45:33,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-08 23:45:33,505 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:33,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:33,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:33,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:34,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 18 states and 25 transitions. [2024-11-08 23:45:34,039 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 25 transitions. [2024-11-08 23:45:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-08 23:45:34,043 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:34,044 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:34,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:40,056 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:46,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:46,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 25 states and 42 transitions. [2024-11-08 23:45:46,011 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 42 transitions. [2024-11-08 23:45:46,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:45:46,012 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:46,012 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:46,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:45:52,867 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:45:58,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:45:58,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 30 states and 50 transitions. [2024-11-08 23:45:58,893 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 50 transitions. [2024-11-08 23:45:58,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-08 23:45:58,894 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:45:58,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:45:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:06,050 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:46:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 34 states and 64 transitions. [2024-11-08 23:46:14,807 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 64 transitions. [2024-11-08 23:46:14,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:46:14,808 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:14,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:14,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:23,196 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:46:38,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:38,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 41 states and 91 transitions. [2024-11-08 23:46:38,411 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 91 transitions. [2024-11-08 23:46:38,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:46:38,412 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:38,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:47,669 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:07,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:07,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 50 states and 113 transitions. [2024-11-08 23:47:07,616 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 113 transitions. [2024-11-08 23:47:07,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:47:07,617 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:07,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:39,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 56 states and 129 transitions. [2024-11-08 23:47:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 129 transitions. [2024-11-08 23:47:39,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:47:39,771 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:39,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:47:39,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:52,097 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:15,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:15,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 142 states to 61 states and 142 transitions. [2024-11-08 23:48:15,674 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 142 transitions. [2024-11-08 23:48:15,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:48:15,675 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:15,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:48:15,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:36,698 WARN L286 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 20 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2024-11-08 23:48:39,081 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:08,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:08,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 66 states and 159 transitions. [2024-11-08 23:49:08,440 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 159 transitions. [2024-11-08 23:49:08,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:49:08,441 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:08,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:38,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 68 states and 168 transitions. [2024-11-08 23:49:38,099 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 168 transitions. [2024-11-08 23:49:38,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:49:38,100 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:38,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:49:38,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:52,068 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:50:11,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:50:11,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 70 states and 173 transitions. [2024-11-08 23:50:11,492 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 173 transitions. [2024-11-08 23:50:11,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:50:11,493 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:50:11,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:50:11,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:50:27,984 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:51:14,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:51:14,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 77 states and 193 transitions. [2024-11-08 23:51:14,296 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 193 transitions. [2024-11-08 23:51:14,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:51:14,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:51:14,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:51:14,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:51:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:12,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:12,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 83 states and 222 transitions. [2024-11-08 23:52:12,152 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 222 transitions. [2024-11-08 23:52:12,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:52:12,153 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:12,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:12,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:52:31,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:52:51,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:52:51,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 85 states and 225 transitions. [2024-11-08 23:52:51,714 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 225 transitions. [2024-11-08 23:52:51,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:52:51,715 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:52:51,715 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:52:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:53:09,271 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:53:55,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:53:55,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 90 states and 234 transitions. [2024-11-08 23:53:55,058 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 234 transitions. [2024-11-08 23:53:55,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:53:55,059 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:53:55,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:53:55,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:54:09,620 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:54:36,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:54:36,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 93 states and 236 transitions. [2024-11-08 23:54:36,063 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 236 transitions. [2024-11-08 23:54:36,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-08 23:54:36,064 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:54:36,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:54:36,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:55:10,486 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:56:09,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 97 states and 253 transitions. [2024-11-08 23:56:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 253 transitions. [2024-11-08 23:56:09,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:56:09,453 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:09,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:56:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:31,384 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:57:15,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:57:15,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 101 states and 267 transitions. [2024-11-08 23:57:15,416 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 267 transitions. [2024-11-08 23:57:15,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:57:15,417 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:57:15,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:57:15,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:57:33,196 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:58:24,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:58:24,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 106 states and 281 transitions. [2024-11-08 23:58:24,515 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 281 transitions. [2024-11-08 23:58:24,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:58:24,516 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:58:24,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:58:24,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:58:40,922 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:59:35,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:59:35,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 117 states and 306 transitions. [2024-11-08 23:59:35,755 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 306 transitions. [2024-11-08 23:59:35,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:59:35,755 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:59:35,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:59:35,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat