./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-restricted-15/ex3a.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-restricted-15/ex3a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2 --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 64bit --witnessprinter.graph.data.programhash 514a2cd80a78774a6104ad373dace683a92f94b333b9f08b1b53c58f7478bd33 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:53,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:53,086 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-64bit-Kojak_Default.epf [2023-11-21 18:30:53,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:53,092 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:53,116 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:53,117 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:53,117 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:53,118 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:53,119 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:53,120 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:53,120 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:53,121 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:53,121 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:53,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:53,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:53,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:53,124 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:53,124 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:53,125 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:53,125 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:53,126 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:53,127 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:53,127 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:53,128 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:53,128 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:53,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:53,130 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:53,130 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:53,131 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:53,131 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:53,132 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:53,132 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_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 514a2cd80a78774a6104ad373dace683a92f94b333b9f08b1b53c58f7478bd33 [2023-11-21 18:30:53,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:53,412 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:53,415 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:53,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:53,418 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:53,419 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/termination-restricted-15/ex3a.c [2023-11-21 18:30:56,504 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:56,797 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:56,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/sv-benchmarks/c/termination-restricted-15/ex3a.c [2023-11-21 18:30:56,806 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/data/d6befcb24/fae6a183c6434af5ae439507e346d079/FLAG8170c1e37 [2023-11-21 18:30:56,822 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/data/d6befcb24/fae6a183c6434af5ae439507e346d079 [2023-11-21 18:30:56,825 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:56,827 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:56,828 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:56,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:56,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:56,835 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:56" (1/1) ... [2023-11-21 18:30:56,836 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b4ee076 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:56, skipping insertion in model container [2023-11-21 18:30:56,837 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:56" (1/1) ... [2023-11-21 18:30:56,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:57,015 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:57,020 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:57,030 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:57,042 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:57,042 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57 WrapperNode [2023-11-21 18:30:57,042 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:57,043 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:57,044 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:57,044 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:57,050 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,077 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2023-11-21 18:30:57,077 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:57,078 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:57,078 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:57,078 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:57,088 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,088 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,089 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,089 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,091 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,094 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,095 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,097 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:57,098 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:57,098 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:57,099 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:57,106 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:57,125 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:57,139 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:57,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f598a974-69d6-42a5-9424-99a59fcbd498/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:57,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:57,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:57,290 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:57,294 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:57,456 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:57,498 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:57,502 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:30:57,505 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:57 BoogieIcfgContainer [2023-11-21 18:30:57,505 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:57,507 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:57,508 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:57,519 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:57,520 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:57" (1/1) ... [2023-11-21 18:30:57,530 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:57,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:57,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 11 transitions. [2023-11-21 18:30:57,613 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 11 transitions. [2023-11-21 18:30:57,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:30:57,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:57,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:57,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:57,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:57,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 10 transitions. [2023-11-21 18:30:57,794 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 10 transitions. [2023-11-21 18:30:57,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:30:57,794 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:57,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:57,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:57,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:57,820 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:57,889 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:57,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:57,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2023-11-21 18:30:57,932 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2023-11-21 18:30:57,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-21 18:30:57,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:57,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:57,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:57,965 INFO L262 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:57,966 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:58,004 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 13 states and 15 transitions. [2023-11-21 18:30:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 15 transitions. [2023-11-21 18:30:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:30:58,118 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,118 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:58,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,133 INFO L262 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:30:58,134 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:58,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 18 states and 22 transitions. [2023-11-21 18:30:58,355 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 22 transitions. [2023-11-21 18:30:58,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:30:58,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:58,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,388 INFO L262 TraceCheckSpWp]: Trace formula consists of 23 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:58,389 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:58,442 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 13 states and 14 transitions. [2023-11-21 18:30:58,472 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 14 transitions. [2023-11-21 18:30:58,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:30:58,472 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:58,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,490 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:30:58,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:58,526 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 18 states and 20 transitions. [2023-11-21 18:30:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-21 18:30:58,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:30:58,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:58,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,733 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:30:58,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:58,785 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 23 states and 26 transitions. [2023-11-21 18:30:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2023-11-21 18:30:58,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:30:58,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,013 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:30:59,015 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:59,090 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:59,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 28 states and 32 transitions. [2023-11-21 18:30:59,381 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 32 transitions. [2023-11-21 18:30:59,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:30:59,382 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,408 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:59,410 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:59,501 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:59,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 33 states and 38 transitions. [2023-11-21 18:30:59,774 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 38 transitions. [2023-11-21 18:30:59,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:30:59,776 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,776 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:30:59,805 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:59,893 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:00,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:00,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 38 states and 44 transitions. [2023-11-21 18:31:00,196 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 44 transitions. [2023-11-21 18:31:00,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:31:00,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:00,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:00,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:00,250 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:31:00,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:00,367 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:00,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 43 states and 50 transitions. [2023-11-21 18:31:00,686 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 50 transitions. [2023-11-21 18:31:00,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:31:00,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:00,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:00,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:00,735 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:31:00,738 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:01,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:01,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 48 states and 56 transitions. [2023-11-21 18:31:01,196 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2023-11-21 18:31:01,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:31:01,197 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:01,197 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:01,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:01,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:31:01,273 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:01,395 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:01,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 53 states and 62 transitions. [2023-11-21 18:31:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 62 transitions. [2023-11-21 18:31:01,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:31:01,748 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:01,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:01,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:31:01,782 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:02,301 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:02,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 58 states and 68 transitions. [2023-11-21 18:31:02,302 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 68 transitions. [2023-11-21 18:31:02,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:31:02,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:02,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:02,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,345 INFO L262 TraceCheckSpWp]: Trace formula consists of 114 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:31:02,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:02,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 63 states and 74 transitions. [2023-11-21 18:31:02,895 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 74 transitions. [2023-11-21 18:31:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:31:02,896 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:02,896 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,935 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:31:02,941 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:03,126 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:03,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:03,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 68 states and 80 transitions. [2023-11-21 18:31:03,525 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 80 transitions. [2023-11-21 18:31:03,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2023-11-21 18:31:03,526 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:03,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:03,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:03,561 INFO L262 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:31:03,563 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:03,719 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:04,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:04,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 73 states and 86 transitions. [2023-11-21 18:31:04,160 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 86 transitions. [2023-11-21 18:31:04,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2023-11-21 18:31:04,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:04,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:04,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:04,201 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:31:04,204 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:04,376 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 0 proven. 455 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 78 states and 92 transitions. [2023-11-21 18:31:04,815 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 92 transitions. [2023-11-21 18:31:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:31:04,816 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:04,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:04,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:04,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:31:04,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 525 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 83 states and 98 transitions. [2023-11-21 18:31:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 98 transitions. [2023-11-21 18:31:05,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2023-11-21 18:31:05,538 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:05,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:05,582 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:31:05,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:05,792 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 0 proven. 600 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:06,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:06,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 88 states and 104 transitions. [2023-11-21 18:31:06,296 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 104 transitions. [2023-11-21 18:31:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2023-11-21 18:31:06,297 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:06,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:06,335 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:31:06,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:06,526 INFO L134 CoverageAnalysis]: Checked inductivity of 680 backedges. 0 proven. 680 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:07,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:07,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 93 states and 110 transitions. [2023-11-21 18:31:07,033 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 110 transitions. [2023-11-21 18:31:07,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:31:07,034 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:07,034 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:07,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:07,096 INFO L262 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:31:07,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:07,287 INFO L134 CoverageAnalysis]: Checked inductivity of 765 backedges. 0 proven. 765 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:07,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:07,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 98 states and 116 transitions. [2023-11-21 18:31:07,772 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 116 transitions. [2023-11-21 18:31:07,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2023-11-21 18:31:07,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:07,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:07,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:07,822 INFO L262 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:31:07,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:08,059 INFO L134 CoverageAnalysis]: Checked inductivity of 855 backedges. 0 proven. 855 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:08,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 103 states and 122 transitions. [2023-11-21 18:31:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2023-11-21 18:31:08,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2023-11-21 18:31:08,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:08,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:08,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:08,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:31:08,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 950 backedges. 0 proven. 950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:09,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:09,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 108 states and 128 transitions. [2023-11-21 18:31:09,445 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 128 transitions. [2023-11-21 18:31:09,445 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2023-11-21 18:31:09,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:09,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:09,491 INFO L262 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:31:09,493 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:09,719 INFO L134 CoverageAnalysis]: Checked inductivity of 1050 backedges. 0 proven. 1050 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:10,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 113 states and 134 transitions. [2023-11-21 18:31:10,272 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 134 transitions. [2023-11-21 18:31:10,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2023-11-21 18:31:10,273 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:10,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:10,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:10,320 INFO L262 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:31:10,322 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:10,598 INFO L134 CoverageAnalysis]: Checked inductivity of 1155 backedges. 0 proven. 1155 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:11,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:11,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 118 states and 140 transitions. [2023-11-21 18:31:11,165 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 140 transitions. [2023-11-21 18:31:11,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2023-11-21 18:31:11,166 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:11,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:11,214 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:31:11,217 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:11,466 INFO L134 CoverageAnalysis]: Checked inductivity of 1265 backedges. 0 proven. 1265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:12,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 123 states and 146 transitions. [2023-11-21 18:31:12,054 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 146 transitions. [2023-11-21 18:31:12,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:31:12,056 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:12,056 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:12,116 INFO L262 TraceCheckSpWp]: Trace formula consists of 244 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:31:12,119 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:12,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1380 backedges. 0 proven. 1380 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:13,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:13,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 128 states and 152 transitions. [2023-11-21 18:31:13,035 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 152 transitions. [2023-11-21 18:31:13,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2023-11-21 18:31:13,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:13,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:13,095 INFO L262 TraceCheckSpWp]: Trace formula consists of 254 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:31:13,099 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:13,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1500 backedges. 0 proven. 1500 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:13,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:13,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 133 states and 158 transitions. [2023-11-21 18:31:13,971 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 158 transitions. [2023-11-21 18:31:13,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2023-11-21 18:31:13,973 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:13,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:14,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:14,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 264 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:31:14,040 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:14,403 INFO L134 CoverageAnalysis]: Checked inductivity of 1625 backedges. 0 proven. 1625 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:15,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:15,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 138 states and 164 transitions. [2023-11-21 18:31:15,041 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 164 transitions. [2023-11-21 18:31:15,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-21 18:31:15,043 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:15,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:15,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:15,100 INFO L262 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 18:31:15,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:15,392 INFO L134 CoverageAnalysis]: Checked inductivity of 1755 backedges. 0 proven. 1755 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:16,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:16,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 143 states and 170 transitions. [2023-11-21 18:31:16,094 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 170 transitions. [2023-11-21 18:31:16,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2023-11-21 18:31:16,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:16,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:16,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:16,175 INFO L262 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:31:16,178 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:16,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 1890 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:17,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 148 states and 176 transitions. [2023-11-21 18:31:17,210 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2023-11-21 18:31:17,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2023-11-21 18:31:17,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:17,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:17,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:17,288 INFO L262 TraceCheckSpWp]: Trace formula consists of 294 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 18:31:17,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:17,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2030 backedges. 0 proven. 2030 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:18,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 153 states and 182 transitions. [2023-11-21 18:31:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 182 transitions. [2023-11-21 18:31:18,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2023-11-21 18:31:18,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:18,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:18,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:18,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 304 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 18:31:18,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2175 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:19,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:19,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 158 states and 188 transitions. [2023-11-21 18:31:19,677 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 188 transitions. [2023-11-21 18:31:19,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2023-11-21 18:31:19,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:19,678 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:19,741 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-21 18:31:19,744 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:20,144 INFO L134 CoverageAnalysis]: Checked inductivity of 2325 backedges. 0 proven. 2325 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:20,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 163 states and 194 transitions. [2023-11-21 18:31:20,960 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 194 transitions. [2023-11-21 18:31:20,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2023-11-21 18:31:20,961 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 324 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 18:31:21,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:21,401 INFO L134 CoverageAnalysis]: Checked inductivity of 2480 backedges. 0 proven. 2480 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:22,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 168 states and 200 transitions. [2023-11-21 18:31:22,170 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 200 transitions. [2023-11-21 18:31:22,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-21 18:31:22,171 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,171 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,244 INFO L262 TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-21 18:31:22,266 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:22,639 INFO L134 CoverageAnalysis]: Checked inductivity of 2640 backedges. 0 proven. 2640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:23,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 173 states and 206 transitions. [2023-11-21 18:31:23,433 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 206 transitions. [2023-11-21 18:31:23,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2023-11-21 18:31:23,434 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,504 INFO L262 TraceCheckSpWp]: Trace formula consists of 344 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 18:31:23,506 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:23,864 INFO L134 CoverageAnalysis]: Checked inductivity of 2805 backedges. 0 proven. 2805 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:24,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:24,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 178 states and 212 transitions. [2023-11-21 18:31:24,693 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 212 transitions. [2023-11-21 18:31:24,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2023-11-21 18:31:24,694 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:24,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:24,763 INFO L262 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-21 18:31:24,767 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:25,161 INFO L134 CoverageAnalysis]: Checked inductivity of 2975 backedges. 0 proven. 2975 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:26,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 183 states and 218 transitions. [2023-11-21 18:31:26,035 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 218 transitions. [2023-11-21 18:31:26,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-21 18:31:26,036 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,123 INFO L262 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:31:26,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:26,545 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 0 proven. 3150 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:27,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 188 states and 224 transitions. [2023-11-21 18:31:27,421 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 224 transitions. [2023-11-21 18:31:27,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2023-11-21 18:31:27,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 374 conjuncts, 38 conjunts are in the unsatisfiable core [2023-11-21 18:31:27,499 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 3330 backedges. 0 proven. 3330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:28,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 193 states and 230 transitions. [2023-11-21 18:31:28,794 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2023-11-21 18:31:28,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2023-11-21 18:31:28,795 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,795 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,869 INFO L262 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:31:28,873 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:29,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3515 backedges. 0 proven. 3515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:30,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 198 states and 236 transitions. [2023-11-21 18:31:30,202 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 236 transitions. [2023-11-21 18:31:30,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2023-11-21 18:31:30,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,280 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-21 18:31:30,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:30,733 INFO L134 CoverageAnalysis]: Checked inductivity of 3705 backedges. 0 proven. 3705 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:31,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:31,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 203 states and 242 transitions. [2023-11-21 18:31:31,671 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2023-11-21 18:31:31,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2023-11-21 18:31:31,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:31,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:31,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:31,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 404 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:31:31,759 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:32,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3900 backedges. 0 proven. 3900 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:33,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:33,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 208 states and 248 transitions. [2023-11-21 18:31:33,154 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 248 transitions. [2023-11-21 18:31:33,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2023-11-21 18:31:33,155 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:33,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:33,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:33,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 414 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-21 18:31:33,246 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4100 backedges. 0 proven. 4100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:34,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 213 states and 254 transitions. [2023-11-21 18:31:34,812 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 254 transitions. [2023-11-21 18:31:34,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-21 18:31:34,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:34,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:34,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:34,898 INFO L262 TraceCheckSpWp]: Trace formula consists of 424 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 18:31:34,902 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:35,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4305 backedges. 0 proven. 4305 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:36,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:36,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 218 states and 260 transitions. [2023-11-21 18:31:36,374 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 260 transitions. [2023-11-21 18:31:36,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2023-11-21 18:31:36,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:36,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:36,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:36,457 INFO L262 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-21 18:31:36,461 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:36,937 INFO L134 CoverageAnalysis]: Checked inductivity of 4515 backedges. 0 proven. 4515 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:37,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:37,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 223 states and 266 transitions. [2023-11-21 18:31:37,940 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 266 transitions. [2023-11-21 18:31:37,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2023-11-21 18:31:37,942 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:37,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:38,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-21 18:31:38,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:38,511 INFO L134 CoverageAnalysis]: Checked inductivity of 4730 backedges. 0 proven. 4730 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:39,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:39,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 228 states and 272 transitions. [2023-11-21 18:31:39,552 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 272 transitions. [2023-11-21 18:31:39,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-21 18:31:39,553 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:39,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:39,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:39,637 INFO L262 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 46 conjunts are in the unsatisfiable core [2023-11-21 18:31:39,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:40,095 INFO L134 CoverageAnalysis]: Checked inductivity of 4950 backedges. 0 proven. 4950 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:41,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:41,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 233 states and 278 transitions. [2023-11-21 18:31:41,207 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 278 transitions. [2023-11-21 18:31:41,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2023-11-21 18:31:41,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:41,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:41,296 INFO L262 TraceCheckSpWp]: Trace formula consists of 464 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:31:41,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:41,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5175 backedges. 0 proven. 5175 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 238 states and 284 transitions. [2023-11-21 18:31:43,023 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 284 transitions. [2023-11-21 18:31:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2023-11-21 18:31:43,025 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:43,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:43,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:43,135 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 48 conjunts are in the unsatisfiable core [2023-11-21 18:31:43,202 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:43,775 INFO L134 CoverageAnalysis]: Checked inductivity of 5405 backedges. 0 proven. 5405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:44,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:44,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 243 states and 290 transitions. [2023-11-21 18:31:44,920 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 290 transitions. [2023-11-21 18:31:44,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2023-11-21 18:31:44,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:44,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:45,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-21 18:31:45,009 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:45,466 INFO L134 CoverageAnalysis]: Checked inductivity of 5640 backedges. 0 proven. 5640 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:46,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:46,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 248 states and 296 transitions. [2023-11-21 18:31:46,619 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 296 transitions. [2023-11-21 18:31:46,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2023-11-21 18:31:46,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:46,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:46,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:46,712 INFO L262 TraceCheckSpWp]: Trace formula consists of 494 conjuncts, 50 conjunts are in the unsatisfiable core [2023-11-21 18:31:46,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:47,218 INFO L134 CoverageAnalysis]: Checked inductivity of 5880 backedges. 0 proven. 5880 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:48,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:48,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 253 states and 302 transitions. [2023-11-21 18:31:48,394 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 302 transitions. [2023-11-21 18:31:48,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2023-11-21 18:31:48,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:48,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:48,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:48,485 INFO L262 TraceCheckSpWp]: Trace formula consists of 504 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:31:48,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:49,037 INFO L134 CoverageAnalysis]: Checked inductivity of 6125 backedges. 0 proven. 6125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.