./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL --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 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:24:25,696 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:24:25,824 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:24:25,840 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:24:25,840 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:24:25,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:24:25,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:24:25,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:24:25,903 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:24:25,909 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:24:25,910 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:24:25,911 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:24:25,911 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:24:25,913 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:24:25,914 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:24:25,914 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:24:25,915 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:24:25,915 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:24:25,916 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:24:25,916 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:24:25,917 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:24:25,918 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:24:25,918 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:24:25,919 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:24:25,919 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:24:25,920 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:24:25,921 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:25,921 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:24:25,922 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:24:25,922 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:24:25,924 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:24:25,924 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:24:25,924 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:24:25,925 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_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 93ad3f0e42b4c26a38d8e528f550b89aecdadec634fd1fe3b21f86af4528c655 [2023-11-19 03:24:26,219 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:24:26,251 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:24:26,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:24:26,257 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:24:26,257 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:24:26,259 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2023-11-19 03:24:30,115 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:24:30,342 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:24:30,343 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c [2023-11-19 03:24:30,353 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/data/91f33b1e9/b6f3105f862944e68d31f685dc968f34/FLAG93460305e [2023-11-19 03:24:30,379 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/data/91f33b1e9/b6f3105f862944e68d31f685dc968f34 [2023-11-19 03:24:30,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:24:30,391 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:24:30,393 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:30,393 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:24:30,400 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:24:30,404 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,407 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e9e2767 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30, skipping insertion in model container [2023-11-19 03:24:30,408 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,444 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:24:30,632 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_32ff5396-9d72-4d07-b019-265d1b3abcf9/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c[576,589] [2023-11-19 03:24:30,655 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:30,668 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:24:30,683 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_32ff5396-9d72-4d07-b019-265d1b3abcf9/sv-benchmarks/c/nla-digbench-scaling/cohendiv-ll_unwindbound20.c[576,589] [2023-11-19 03:24:30,692 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:24:30,711 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:24:30,712 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30 WrapperNode [2023-11-19 03:24:30,712 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:24:30,713 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:30,714 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:24:30,714 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:24:30,721 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,729 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,754 INFO L138 Inliner]: procedures = 14, calls = 15, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 67 [2023-11-19 03:24:30,754 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:24:30,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:24:30,756 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:24:30,756 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:24:30,767 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,775 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,787 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,788 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,791 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:24:30,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:24:30,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:24:30,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:24:30,803 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:24:30" (1/1) ... [2023-11-19 03:24:30,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:24:30,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:24:30,845 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:24:30,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32ff5396-9d72-4d07-b019-265d1b3abcf9/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:24:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:24:30,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:24:30,887 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:24:30,887 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:24:30,970 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:24:30,972 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:24:31,169 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:24:31,217 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:24:31,217 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:24:31,222 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:31 BoogieIcfgContainer [2023-11-19 03:24:31,223 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:24:31,224 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:24:31,224 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:24:31,238 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:24:31,238 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:24:31" (1/1) ... [2023-11-19 03:24:31,249 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:24:31,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:31,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 24 states and 36 transitions. [2023-11-19 03:24:31,317 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 36 transitions. [2023-11-19 03:24:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-19 03:24:31,322 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:31,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:31,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,482 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 03:24:31,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:31,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:31,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:31,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 24 states and 34 transitions. [2023-11-19 03:24:31,581 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 34 transitions. [2023-11-19 03:24:31,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:31,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:31,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:24:31,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:31,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:31,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-19 03:24:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-19 03:24:31,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-19 03:24:31,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:31,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:31,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:31,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-19 03:24:31,896 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:31,984 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:32,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:32,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 31 states and 52 transitions. [2023-11-19 03:24:32,325 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 52 transitions. [2023-11-19 03:24:32,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-19 03:24:32,329 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:32,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:32,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:32,401 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:32,403 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:32,604 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 03:24:33,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:33,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 35 states and 61 transitions. [2023-11-19 03:24:33,327 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 61 transitions. [2023-11-19 03:24:33,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:24:33,328 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:33,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:33,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:33,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:24:33,381 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:33,532 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-19 03:24:33,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:33,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2023-11-19 03:24:33,741 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2023-11-19 03:24:33,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:24:33,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:33,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:33,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:33,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:33,809 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:33,905 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:24:33,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:33,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 40 states and 70 transitions. [2023-11-19 03:24:33,991 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 70 transitions. [2023-11-19 03:24:33,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:24:33,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:33,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:34,031 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-19 03:24:34,033 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:34,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-19 03:24:35,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:35,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 49 states and 105 transitions. [2023-11-19 03:24:35,874 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 105 transitions. [2023-11-19 03:24:35,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-19 03:24:35,876 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:35,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:35,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:35,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:35,940 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:36,032 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:24:37,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:37,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 54 states and 120 transitions. [2023-11-19 03:24:37,009 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 120 transitions. [2023-11-19 03:24:37,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:24:37,012 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:37,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:37,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:37,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-19 03:24:37,061 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:37,232 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2023-11-19 03:24:39,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:39,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 64 states and 151 transitions. [2023-11-19 03:24:39,636 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 151 transitions. [2023-11-19 03:24:39,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-19 03:24:39,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:39,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:39,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:39,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:39,707 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:39,946 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:24:40,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:40,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 68 states and 172 transitions. [2023-11-19 03:24:40,822 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 172 transitions. [2023-11-19 03:24:40,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:24:40,824 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:40,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:40,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:40,867 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:40,870 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:41,087 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 10 proven. 26 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:24:44,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:44,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 79 states and 236 transitions. [2023-11-19 03:24:44,115 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 236 transitions. [2023-11-19 03:24:44,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:24:44,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:44,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:44,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:44,155 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:44,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:44,207 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:24:45,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:45,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 86 states and 266 transitions. [2023-11-19 03:24:45,940 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 266 transitions. [2023-11-19 03:24:45,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-19 03:24:45,944 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:45,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:45,982 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:45,984 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:46,045 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2023-11-19 03:24:46,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:46,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 88 states and 267 transitions. [2023-11-19 03:24:46,607 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 267 transitions. [2023-11-19 03:24:46,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:24:46,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:46,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:46,656 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:24:46,662 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:47,183 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 03:24:51,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:51,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 99 states and 309 transitions. [2023-11-19 03:24:51,212 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 309 transitions. [2023-11-19 03:24:51,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:24:51,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:51,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:51,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:51,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-19 03:24:51,257 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:51,631 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 23 proven. 8 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2023-11-19 03:24:52,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:52,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 101 states and 310 transitions. [2023-11-19 03:24:52,725 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 310 transitions. [2023-11-19 03:24:52,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-19 03:24:52,726 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:52,727 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:52,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:52,766 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:24:52,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 12 proven. 3 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-19 03:24:53,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:53,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 106 states and 337 transitions. [2023-11-19 03:24:53,795 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 337 transitions. [2023-11-19 03:24:53,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-19 03:24:53,797 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:53,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:53,842 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:53,844 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:54,044 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 14 proven. 34 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2023-11-19 03:24:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:55,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 110 states and 340 transitions. [2023-11-19 03:24:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 340 transitions. [2023-11-19 03:24:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:24:55,607 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:55,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:55,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:55,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-19 03:24:55,648 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:55,734 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2023-11-19 03:24:57,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:24:57,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 115 states and 354 transitions. [2023-11-19 03:24:57,964 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 354 transitions. [2023-11-19 03:24:57,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-19 03:24:57,966 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:24:57,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:24:57,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:24:58,000 INFO L262 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:24:58,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:24:58,358 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2023-11-19 03:25:01,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:01,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 120 states and 371 transitions. [2023-11-19 03:25:01,090 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 371 transitions. [2023-11-19 03:25:01,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:25:01,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:01,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:01,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:01,147 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:01,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:01,691 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:25:05,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:05,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 126 states and 400 transitions. [2023-11-19 03:25:05,457 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 400 transitions. [2023-11-19 03:25:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-19 03:25:05,459 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:05,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:05,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:05,501 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:05,503 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:05,536 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2023-11-19 03:25:06,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:06,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 128 states and 401 transitions. [2023-11-19 03:25:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 401 transitions. [2023-11-19 03:25:06,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-19 03:25:06,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:06,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:06,768 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:25:06,770 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:06,809 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2023-11-19 03:25:07,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:07,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 129 states and 402 transitions. [2023-11-19 03:25:07,452 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 402 transitions. [2023-11-19 03:25:07,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2023-11-19 03:25:07,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:07,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:07,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:07,543 INFO L262 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:25:07,545 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:07,940 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 39 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 03:25:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:10,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 133 states and 430 transitions. [2023-11-19 03:25:10,287 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 430 transitions. [2023-11-19 03:25:10,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:25:10,289 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:10,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:10,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:10,343 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-19 03:25:10,346 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:10,392 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 41 proven. 7 refuted. 0 times theorem prover too weak. 123 trivial. 0 not checked. [2023-11-19 03:25:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:13,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 139 states and 461 transitions. [2023-11-19 03:25:13,873 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 461 transitions. [2023-11-19 03:25:13,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-19 03:25:13,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:13,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:25:13,919 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-19 03:25:13,921 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:25:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 18 proven. 112 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked.