./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi --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 a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:05:51,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:05:51,884 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:05:51,889 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:05:51,889 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:05:51,912 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:05:51,913 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:05:51,914 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:05:51,915 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:05:51,915 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:05:51,916 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:05:51,916 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:05:51,917 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:05:51,918 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:05:51,918 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:05:51,919 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:05:51,919 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:05:51,919 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:05:51,920 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:05:51,920 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:05:51,921 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:05:51,924 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:05:51,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:05:51,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:05:51,926 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:05:51,926 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:05:51,943 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:51,944 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:05:51,944 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:05:51,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:05:51,946 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:05:51,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:05:51,947 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:05:51,947 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_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a97cc7ecf3f325d6a4f94ad142da468f60264f8646a5f445527873ff4eb9457a [2023-11-24 23:05:52,255 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:05:52,285 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:05:52,288 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:05:52,290 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:05:52,290 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:05:52,291 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2023-11-24 23:05:55,313 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:05:55,504 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:05:55,505 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i [2023-11-24 23:05:55,513 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/data/a426e267e/1b2acd046de94dad8d77e1fbb80c3fd9/FLAG951e83e08 [2023-11-24 23:05:55,527 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/data/a426e267e/1b2acd046de94dad8d77e1fbb80c3fd9 [2023-11-24 23:05:55,530 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:05:55,532 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:05:55,533 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:55,533 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:05:55,537 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:05:55,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ad233d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55, skipping insertion in model container [2023-11-24 23:05:55,539 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,559 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:05:55,703 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_24a8e783-14e7-43a4-912d-ebd9012c2fb3/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2023-11-24 23:05:55,715 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:55,723 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:05:55,734 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_24a8e783-14e7-43a4-912d-ebd9012c2fb3/sv-benchmarks/c/loop-zilu/benchmark20_conjunctive.i[873,886] [2023-11-24 23:05:55,737 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:05:55,751 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:05:55,751 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55 WrapperNode [2023-11-24 23:05:55,751 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:05:55,752 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:55,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:05:55,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:05:55,760 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,767 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,785 INFO L138 Inliner]: procedures = 15, calls = 7, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2023-11-24 23:05:55,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:05:55,786 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:05:55,786 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:05:55,786 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:05:55,796 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,796 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,797 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,798 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,801 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,804 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,805 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,806 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:05:55,809 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:05:55,809 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:05:55,809 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:05:55,810 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:05:55" (1/1) ... [2023-11-24 23:05:55,816 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:05:55,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:05:55,846 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:05:55,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_24a8e783-14e7-43a4-912d-ebd9012c2fb3/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:05:55,882 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:05:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:05:55,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:05:55,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:05:55,947 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:05:55,949 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:05:56,069 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:05:56,109 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:05:56,110 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 23:05:56,111 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:56 BoogieIcfgContainer [2023-11-24 23:05:56,112 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:05:56,113 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:05:56,113 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:05:56,124 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:05:56,124 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:05:56" (1/1) ... [2023-11-24 23:05:56,133 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:05:56,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2023-11-24 23:05:56,191 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2023-11-24 23:05:56,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-24 23:05:56,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:56,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2023-11-24 23:05:56,698 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2023-11-24 23:05:56,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:05:56,698 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:56,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:56,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:56,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2023-11-24 23:05:56,919 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2023-11-24 23:05:56,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:05:56,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:56,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,068 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 13 states and 20 transitions. [2023-11-24 23:05:57,232 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 20 transitions. [2023-11-24 23:05:57,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:05:57,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,431 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:57,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:57,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 14 states and 24 transitions. [2023-11-24 23:05:57,744 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 24 transitions. [2023-11-24 23:05:57,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:05:57,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:57,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:57,995 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:58,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:58,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 15 states and 29 transitions. [2023-11-24 23:05:58,353 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 29 transitions. [2023-11-24 23:05:58,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 23:05:58,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:58,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:58,698 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:05:59,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:05:59,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 16 states and 34 transitions. [2023-11-24 23:05:59,225 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 34 transitions. [2023-11-24 23:05:59,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 23:05:59,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:05:59,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:05:59,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:05:59,688 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:00,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:00,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 17 states and 40 transitions. [2023-11-24 23:06:00,352 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 40 transitions. [2023-11-24 23:06:00,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 23:06:00,353 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:00,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:00,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:00,917 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:01,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:01,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 18 states and 46 transitions. [2023-11-24 23:06:01,773 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 46 transitions. [2023-11-24 23:06:01,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 23:06:01,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:01,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:02,561 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:03,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:03,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 19 states and 53 transitions. [2023-11-24 23:06:03,604 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 53 transitions. [2023-11-24 23:06:03,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:06:03,605 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:03,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:04,676 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:05,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:05,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 20 states and 60 transitions. [2023-11-24 23:06:05,952 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 60 transitions. [2023-11-24 23:06:05,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 23:06:05,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:05,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:05,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:07,174 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:08,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:08,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 21 states and 67 transitions. [2023-11-24 23:06:08,651 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 67 transitions. [2023-11-24 23:06:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:06:08,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:08,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:11,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 22 states and 75 transitions. [2023-11-24 23:06:11,787 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 75 transitions. [2023-11-24 23:06:11,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:06:11,788 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:11,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:13,444 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:15,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:15,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 23 states and 83 transitions. [2023-11-24 23:06:15,588 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 83 transitions. [2023-11-24 23:06:15,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 23:06:15,589 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:15,590 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:17,811 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 0 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:20,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:20,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 24 states and 91 transitions. [2023-11-24 23:06:20,409 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 91 transitions. [2023-11-24 23:06:20,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 23:06:20,410 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:20,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:22,798 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:25,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 25 states and 100 transitions. [2023-11-24 23:06:25,818 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 100 transitions. [2023-11-24 23:06:25,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-24 23:06:25,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:25,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:28,875 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:32,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:32,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 26 states and 109 transitions. [2023-11-24 23:06:32,595 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 109 transitions. [2023-11-24 23:06:32,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-24 23:06:32,596 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:32,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:36,015 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 136 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:40,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:40,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 27 states and 118 transitions. [2023-11-24 23:06:40,329 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 118 transitions. [2023-11-24 23:06:40,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-24 23:06:40,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:40,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:40,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:06:44,554 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:06:49,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:06:49,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 28 states and 128 transitions. [2023-11-24 23:06:49,342 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 128 transitions. [2023-11-24 23:06:49,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-24 23:06:49,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:06:49,344 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:06:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat