./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 290432887833d1264fa39f327d8609faf39248fe680017022e16e5c72d0bf2b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:05:07,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:05:07,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:05:07,973 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:05:07,974 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:05:08,022 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:05:08,024 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:05:08,025 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:05:08,026 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:05:08,032 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:05:08,034 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:05:08,034 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:05:08,035 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:05:08,037 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:05:08,038 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:05:08,038 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:05:08,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:05:08,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:05:08,040 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:05:08,040 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:05:08,041 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:05:08,041 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:05:08,042 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:05:08,042 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:05:08,043 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:05:08,044 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:05:08,045 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:05:08,045 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:05:08,046 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:08,046 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:05:08,048 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:05:08,048 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:05:08,048 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:05:08,049 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:05:08,049 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:05:08,049 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_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 290432887833d1264fa39f327d8609faf39248fe680017022e16e5c72d0bf2b6 [2023-11-23 20:05:08,334 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:05:08,366 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:05:08,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:05:08,370 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:05:08,371 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:05:08,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c [2023-11-23 20:05:11,591 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:05:11,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:05:11,788 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c [2023-11-23 20:05:11,795 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/data/968b6086a/ad465fca53a04a9697752dedf28690d6/FLAGfcf00860f [2023-11-23 20:05:11,811 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/data/968b6086a/ad465fca53a04a9697752dedf28690d6 [2023-11-23 20:05:11,814 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:05:11,815 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:05:11,817 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:11,817 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:05:11,822 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:05:11,823 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:11" (1/1) ... [2023-11-23 20:05:11,824 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@54dbae37 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:11, skipping insertion in model container [2023-11-23 20:05:11,825 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:05:11" (1/1) ... [2023-11-23 20:05:11,848 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:05:12,018 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:12,028 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:05:12,046 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:05:12,065 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:05:12,065 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12 WrapperNode [2023-11-23 20:05:12,065 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:05:12,067 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:12,067 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:05:12,067 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:05:12,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,083 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,103 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-23 20:05:12,103 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:05:12,104 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:05:12,104 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:05:12,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:05:12,115 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,117 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,117 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,122 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,126 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,127 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,128 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,130 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:05:12,131 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:05:12,131 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:05:12,131 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:05:12,132 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,139 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:05:12,152 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:05:12,173 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:05:12,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_db41d065-c51e-463a-8c67-ca676ade877a/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:05:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:05:12,208 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:05:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:05:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:05:12,209 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:05:12,209 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:05:12,275 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:05:12,277 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:05:12,467 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:05:12,501 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:05:12,501 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:05:12,503 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:12 BoogieIcfgContainer [2023-11-23 20:05:12,503 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:05:12,505 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:05:12,505 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:05:12,517 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:05:12,517 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:05:12" (1/1) ... [2023-11-23 20:05:12,528 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:05:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-23 20:05:12,596 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-23 20:05:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:05:12,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:12,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-23 20:05:12,744 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-23 20:05:12,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:05:12,744 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,745 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:12,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:05:12,885 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:05:12,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:05:12,885 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:12,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:12,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-23 20:05:12,969 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-23 20:05:12,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:05:12,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:12,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,015 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-23 20:05:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-23 20:05:13,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:13,022 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,071 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,076 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-23 20:05:13,316 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-23 20:05:13,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:05:13,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,367 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-23 20:05:13,602 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-23 20:05:13,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:05:13,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,635 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,637 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,680 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-23 20:05:13,730 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-23 20:05:13,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:13,732 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:13,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:13,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:13,817 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:13,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:13,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-23 20:05:13,990 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-23 20:05:13,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:05:13,991 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:13,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:05:14,014 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-23 20:05:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-23 20:05:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:05:14,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:14,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:14,281 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:14,405 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:14,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:14,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-23 20:05:14,884 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-23 20:05:14,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:05:14,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:14,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:14,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:14,931 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:14,933 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:15,067 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:15,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:15,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-23 20:05:15,820 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-23 20:05:15,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:05:15,821 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:15,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:15,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:15,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:15,865 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:15,943 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:16,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-23 20:05:16,586 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-23 20:05:16,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:05:16,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,612 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,614 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:16,691 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:16,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:16,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-23 20:05:16,964 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-23 20:05:16,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:05:16,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:16,965 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:16,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:16,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:17,163 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:17,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-23 20:05:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-23 20:05:17,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:05:17,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:17,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:17,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:17,572 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:17,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:17,798 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:18,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:18,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 164 transitions. [2023-11-23 20:05:18,845 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-23 20:05:18,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:05:18,847 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:18,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:18,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:18,874 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:18,876 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:18,968 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:05:19,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:19,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 174 transitions. [2023-11-23 20:05:19,695 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2023-11-23 20:05:19,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-23 20:05:19,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:19,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:19,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:05:19,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:19,843 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:20,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:20,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 189 transitions. [2023-11-23 20:05:20,172 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2023-11-23 20:05:20,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-23 20:05:20,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:20,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:20,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:20,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:20,656 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:21,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:21,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 122 states and 208 transitions. [2023-11-23 20:05:21,763 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 208 transitions. [2023-11-23 20:05:21,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-23 20:05:21,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:21,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:21,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:21,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:21,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:22,084 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:23,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:23,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 134 states and 232 transitions. [2023-11-23 20:05:23,435 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 232 transitions. [2023-11-23 20:05:23,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:23,436 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:23,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:23,465 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:23,466 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:23,581 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:24,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 140 states and 241 transitions. [2023-11-23 20:05:24,149 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 241 transitions. [2023-11-23 20:05:24,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:24,150 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:24,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:24,178 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:24,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:24,241 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:24,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:24,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 143 states and 245 transitions. [2023-11-23 20:05:24,984 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 245 transitions. [2023-11-23 20:05:24,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-23 20:05:24,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:24,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,014 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,016 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,079 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-23 20:05:25,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 145 states and 246 transitions. [2023-11-23 20:05:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 246 transitions. [2023-11-23 20:05:25,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-23 20:05:25,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:25,577 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:25,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:25,618 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:05:25,620 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:25,752 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:26,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:26,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 149 states and 264 transitions. [2023-11-23 20:05:26,159 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 264 transitions. [2023-11-23 20:05:26,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-23 20:05:26,160 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:26,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:26,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:26,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:26,196 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:28,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 169 states and 288 transitions. [2023-11-23 20:05:28,464 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 288 transitions. [2023-11-23 20:05:28,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-23 20:05:28,465 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:28,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:28,494 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:28,495 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:30,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 181 states and 312 transitions. [2023-11-23 20:05:30,236 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 312 transitions. [2023-11-23 20:05:30,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-23 20:05:30,237 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:30,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:30,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:30,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-23 20:05:30,285 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:30,433 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-23 20:05:31,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 187 states and 323 transitions. [2023-11-23 20:05:31,545 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 323 transitions. [2023-11-23 20:05:31,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-23 20:05:31,546 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:31,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:31,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:31,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:05:31,597 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:31,749 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:32,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:32,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 191 states and 343 transitions. [2023-11-23 20:05:32,235 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 343 transitions. [2023-11-23 20:05:32,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-23 20:05:32,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:32,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:32,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:32,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:32,290 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:33,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:34,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 201 states and 356 transitions. [2023-11-23 20:05:34,003 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 356 transitions. [2023-11-23 20:05:34,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-23 20:05:34,007 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:34,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:34,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:34,053 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-23 20:05:34,055 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:35,059 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:36,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:36,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 211 states and 380 transitions. [2023-11-23 20:05:36,563 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 380 transitions. [2023-11-23 20:05:36,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:05:36,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:36,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:36,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:36,617 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:36,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:36,827 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:38,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:38,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 217 states and 392 transitions. [2023-11-23 20:05:38,361 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 392 transitions. [2023-11-23 20:05:38,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-23 20:05:38,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:38,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:38,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:38,410 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-23 20:05:38,413 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:38,500 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-23 20:05:39,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:39,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 220 states and 394 transitions. [2023-11-23 20:05:39,257 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 394 transitions. [2023-11-23 20:05:39,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-23 20:05:39,258 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:39,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:39,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:39,300 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-23 20:05:39,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:39,546 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:40,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:40,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 224 states and 415 transitions. [2023-11-23 20:05:40,184 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 415 transitions. [2023-11-23 20:05:40,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:05:40,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:40,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:40,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:40,236 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:40,238 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:41,167 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:42,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:42,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 231 states and 426 transitions. [2023-11-23 20:05:42,495 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 426 transitions. [2023-11-23 20:05:42,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-23 20:05:42,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:42,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:42,542 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:42,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:43,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:43,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 234 states and 444 transitions. [2023-11-23 20:05:43,472 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 444 transitions. [2023-11-23 20:05:43,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-23 20:05:43,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:43,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:43,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:43,514 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-23 20:05:43,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:43,847 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:44,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:44,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 244 states and 469 transitions. [2023-11-23 20:05:44,895 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 469 transitions. [2023-11-23 20:05:44,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:05:44,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:44,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:44,936 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:44,938 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:45,152 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:46,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:46,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 491 states to 250 states and 482 transitions. [2023-11-23 20:05:46,788 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 482 transitions. [2023-11-23 20:05:46,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:05:46,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:46,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:46,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:46,838 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:46,940 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:47,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:47,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 253 states and 484 transitions. [2023-11-23 20:05:47,793 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 484 transitions. [2023-11-23 20:05:47,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:05:47,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:47,794 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:47,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:47,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:47,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:47,947 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:48,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:48,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 255 states and 485 transitions. [2023-11-23 20:05:48,915 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 485 transitions. [2023-11-23 20:05:48,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:05:48,916 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:48,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:48,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:48,999 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:49,001 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:49,133 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:50,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:50,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 258 states and 487 transitions. [2023-11-23 20:05:50,077 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 487 transitions. [2023-11-23 20:05:50,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-23 20:05:50,079 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:50,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:50,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:50,125 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-23 20:05:50,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:50,236 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-23 20:05:51,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:51,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 261 states and 489 transitions. [2023-11-23 20:05:51,098 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 489 transitions. [2023-11-23 20:05:51,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-23 20:05:51,099 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:51,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:51,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:51,156 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-23 20:05:51,160 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-23 20:05:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:52,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 265 states and 513 transitions. [2023-11-23 20:05:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 513 transitions. [2023-11-23 20:05:52,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:05:52,134 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:52,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:52,176 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:52,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:52,647 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:53,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:53,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 272 states and 524 transitions. [2023-11-23 20:05:53,489 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 524 transitions. [2023-11-23 20:05:53,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-23 20:05:53,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:53,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:53,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:53,587 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-23 20:05:53,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:53,708 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:05:55,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:05:55,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 277 states and 545 transitions. [2023-11-23 20:05:55,544 INFO L276 IsEmpty]: Start isEmpty. Operand 277 states and 545 transitions. [2023-11-23 20:05:55,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:05:55,545 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:05:55,545 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:05:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:05:55,592 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:05:55,594 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:05:56,694 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:06:01,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:06:01,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 306 states and 599 transitions. [2023-11-23 20:06:01,874 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 599 transitions. [2023-11-23 20:06:01,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2023-11-23 20:06:01,875 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:06:01,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:06:01,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:06:01,917 INFO L262 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-23 20:06:01,919 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:06:02,190 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 0 proven. 273 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.