./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/freire1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/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_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/freire1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/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 32bit --witnessprinter.graph.data.programhash a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:50:07,637 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:50:07,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:50:07,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:50:07,766 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:50:07,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:50:07,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:50:07,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:50:07,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:50:07,809 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:50:07,811 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:50:07,811 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:50:07,812 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:50:07,814 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:50:07,814 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:50:07,815 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:50:07,815 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:50:07,815 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:50:07,816 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:50:07,816 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:50:07,817 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:50:07,817 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:50:07,818 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:50:07,818 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:50:07,819 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:50:07,820 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:50:07,820 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:50:07,821 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:50:07,821 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:07,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:50:07,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:50:07,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:50:07,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:50:07,824 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:50:07,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:50:07,824 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_86424e20-13b2-48ce-bccc-27bb188ddfdc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a69393ce5fe75f7ab01b3582ad0675909e9396d47152d54bb12cb1909ec8c6ec [2023-11-21 18:50:08,144 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:50:08,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:50:08,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:50:08,184 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:50:08,185 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:50:08,186 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/freire1.c [2023-11-21 18:50:11,366 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:50:11,595 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:50:11,596 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/sv-benchmarks/c/nla-digbench/freire1.c [2023-11-21 18:50:11,605 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/data/5d28f9765/5023d3d18d1d45b7b5f81057921df4df/FLAG7c91c4e84 [2023-11-21 18:50:11,623 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/data/5d28f9765/5023d3d18d1d45b7b5f81057921df4df [2023-11-21 18:50:11,629 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:50:11,630 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:50:11,634 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:11,634 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:50:11,640 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:50:11,641 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,642 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b761a8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11, skipping insertion in model container [2023-11-21 18:50:11,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:50:11,849 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:11,860 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:50:11,878 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:50:11,893 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:50:11,893 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11 WrapperNode [2023-11-21 18:50:11,894 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:50:11,895 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:11,895 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:50:11,895 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:50:11,903 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,910 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,930 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 41 [2023-11-21 18:50:11,931 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:50:11,931 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:50:11,932 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:50:11,932 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:50:11,942 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,957 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,958 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,962 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,968 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,969 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,970 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,972 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:50:11,973 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:50:11,973 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:50:11,974 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:50:11,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:50:11" (1/1) ... [2023-11-21 18:50:11,984 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:50:12,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:50:12,015 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:50:12,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_86424e20-13b2-48ce-bccc-27bb188ddfdc/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:50:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:50:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:50:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:50:12,060 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:50:12,060 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:50:12,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:50:12,121 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:50:12,123 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:50:12,324 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:50:12,378 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:50:12,382 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:50:12,384 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:12 BoogieIcfgContainer [2023-11-21 18:50:12,384 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:50:12,385 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:50:12,385 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:50:12,395 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:50:12,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:50:12" (1/1) ... [2023-11-21 18:50:12,406 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:50:12,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 21 states and 23 transitions. [2023-11-21 18:50:12,481 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 23 transitions. [2023-11-21 18:50:12,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:50:12,485 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,646 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 18:50:12,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 20 states and 21 transitions. [2023-11-21 18:50:12,674 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 21 transitions. [2023-11-21 18:50:12,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:50:12,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,707 INFO L262 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,712 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,739 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 18:50:12,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 23 states and 25 transitions. [2023-11-21 18:50:12,775 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 25 transitions. [2023-11-21 18:50:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:12,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,780 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,805 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,812 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 18:50:12,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 22 states and 24 transitions. [2023-11-21 18:50:12,829 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 24 transitions. [2023-11-21 18:50:12,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:50:12,830 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,856 INFO L262 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,858 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:12,895 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 18:50:12,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:12,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-21 18:50:12,932 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-21 18:50:12,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:50:12,933 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:12,933 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:12,958 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:12,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,019 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 18:50:13,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 32 transitions. [2023-11-21 18:50:13,173 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2023-11-21 18:50:13,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:50:13,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,194 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,195 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,235 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 18:50:13,336 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 31 states and 38 transitions. [2023-11-21 18:50:13,337 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 38 transitions. [2023-11-21 18:50:13,338 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:50:13,338 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,338 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,362 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,364 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,409 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:50:13,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 35 states and 42 transitions. [2023-11-21 18:50:13,501 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 42 transitions. [2023-11-21 18:50:13,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:50:13,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,528 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,530 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,581 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:13,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 39 states and 48 transitions. [2023-11-21 18:50:13,726 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2023-11-21 18:50:13,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:50:13,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,755 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,762 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:13,842 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:50:13,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:13,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 42 states and 51 transitions. [2023-11-21 18:50:13,950 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2023-11-21 18:50:13,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:50:13,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:13,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:13,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:13,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:50:13,990 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,077 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:14,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 46 states and 57 transitions. [2023-11-21 18:50:14,258 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2023-11-21 18:50:14,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:50:14,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,260 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,306 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,379 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:50:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 49 states and 60 transitions. [2023-11-21 18:50:14,489 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2023-11-21 18:50:14,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:50:14,491 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,522 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,597 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:14,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:14,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 53 states and 66 transitions. [2023-11-21 18:50:14,816 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2023-11-21 18:50:14,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:50:14,818 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:14,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:14,851 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:50:14,853 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:14,943 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:50:15,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 56 states and 69 transitions. [2023-11-21 18:50:15,067 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 69 transitions. [2023-11-21 18:50:15,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2023-11-21 18:50:15,069 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,106 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,109 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,218 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:50:15,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 60 states and 75 transitions. [2023-11-21 18:50:15,443 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 75 transitions. [2023-11-21 18:50:15,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:50:15,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,445 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,487 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,491 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,594 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 85 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:50:15,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:15,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 63 states and 78 transitions. [2023-11-21 18:50:15,735 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 78 transitions. [2023-11-21 18:50:15,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:50:15,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:15,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:15,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:15,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:50:15,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:15,889 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:50:16,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 67 states and 84 transitions. [2023-11-21 18:50:16,146 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2023-11-21 18:50:16,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:50:16,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,187 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,189 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:16,322 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:50:16,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 70 states and 87 transitions. [2023-11-21 18:50:16,490 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-21 18:50:16,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:50:16,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:16,537 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:50:16,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:16,664 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 0 proven. 147 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:50:16,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:16,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 74 states and 93 transitions. [2023-11-21 18:50:16,950 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2023-11-21 18:50:16,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:50:16,951 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:16,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,005 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:17,007 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,136 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:50:17,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 77 states and 96 transitions. [2023-11-21 18:50:17,310 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 96 transitions. [2023-11-21 18:50:17,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:50:17,311 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,351 INFO L262 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:50:17,353 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,481 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 196 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:50:17,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:17,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 81 states and 102 transitions. [2023-11-21 18:50:17,791 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 102 transitions. [2023-11-21 18:50:17,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:50:17,792 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:17,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:17,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:17,840 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:50:17,842 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:17,989 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 0 proven. 220 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2023-11-21 18:50:18,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 84 states and 105 transitions. [2023-11-21 18:50:18,183 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-21 18:50:18,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2023-11-21 18:50:18,184 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 0 proven. 252 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:50:18,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:18,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 88 states and 111 transitions. [2023-11-21 18:50:18,724 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 111 transitions. [2023-11-21 18:50:18,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:50:18,725 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:18,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:18,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:18,783 INFO L262 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:18,786 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:18,936 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 0 proven. 279 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2023-11-21 18:50:19,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:19,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 91 states and 114 transitions. [2023-11-21 18:50:19,173 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 114 transitions. [2023-11-21 18:50:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2023-11-21 18:50:19,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:19,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:19,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:19,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 181 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:50:19,230 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 405 backedges. 0 proven. 315 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:50:19,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:19,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 95 states and 120 transitions. [2023-11-21 18:50:19,727 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 120 transitions. [2023-11-21 18:50:19,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2023-11-21 18:50:19,728 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:19,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:19,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:19,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:50:19,781 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:19,958 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 0 proven. 345 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2023-11-21 18:50:20,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 98 states and 123 transitions. [2023-11-21 18:50:20,205 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 123 transitions. [2023-11-21 18:50:20,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2023-11-21 18:50:20,206 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,206 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,259 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,262 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:20,419 INFO L134 CoverageAnalysis]: Checked inductivity of 495 backedges. 0 proven. 385 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-21 18:50:20,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:20,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 102 states and 129 transitions. [2023-11-21 18:50:20,811 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 129 transitions. [2023-11-21 18:50:20,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2023-11-21 18:50:20,813 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:20,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:20,875 INFO L262 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:50:20,877 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,053 INFO L134 CoverageAnalysis]: Checked inductivity of 528 backedges. 0 proven. 418 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2023-11-21 18:50:21,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 105 states and 132 transitions. [2023-11-21 18:50:21,297 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 132 transitions. [2023-11-21 18:50:21,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2023-11-21 18:50:21,298 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:21,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:21,350 INFO L262 TraceCheckSpWp]: Trace formula consists of 213 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:50:21,352 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:21,536 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 462 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:50:21,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:21,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 109 states and 138 transitions. [2023-11-21 18:50:21,961 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 138 transitions. [2023-11-21 18:50:21,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2023-11-21 18:50:21,963 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:21,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,029 INFO L262 TraceCheckSpWp]: Trace formula consists of 218 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,032 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,244 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 0 proven. 498 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2023-11-21 18:50:22,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:22,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 112 states and 141 transitions. [2023-11-21 18:50:22,527 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 141 transitions. [2023-11-21 18:50:22,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2023-11-21 18:50:22,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:22,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:22,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:22,595 INFO L262 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:50:22,598 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:22,787 INFO L134 CoverageAnalysis]: Checked inductivity of 702 backedges. 0 proven. 546 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-21 18:50:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 116 states and 147 transitions. [2023-11-21 18:50:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 147 transitions. [2023-11-21 18:50:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2023-11-21 18:50:23,231 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,292 INFO L262 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:50:23,315 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:23,519 INFO L134 CoverageAnalysis]: Checked inductivity of 741 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2023-11-21 18:50:23,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:23,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 119 states and 150 transitions. [2023-11-21 18:50:23,822 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 150 transitions. [2023-11-21 18:50:23,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2023-11-21 18:50:23,823 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:23,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:23,879 INFO L262 TraceCheckSpWp]: Trace formula consists of 245 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:50:23,882 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 819 backedges. 0 proven. 637 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-21 18:50:24,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:24,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 123 states and 156 transitions. [2023-11-21 18:50:24,541 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 156 transitions. [2023-11-21 18:50:24,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2023-11-21 18:50:24,542 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:24,542 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:24,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 18:50:24,612 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 861 backedges. 0 proven. 679 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2023-11-21 18:50:25,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:25,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 126 states and 159 transitions. [2023-11-21 18:50:25,180 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 159 transitions. [2023-11-21 18:50:25,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2023-11-21 18:50:25,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:25,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:25,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:25,249 INFO L262 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 16 conjunts are in the unsatisfiable core [2023-11-21 18:50:25,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:25,513 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 0 proven. 735 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:50:25,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:26,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 130 states and 165 transitions. [2023-11-21 18:50:26,000 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 165 transitions. [2023-11-21 18:50:26,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2023-11-21 18:50:26,002 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:26,002 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:26,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-21 18:50:26,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:26,380 INFO L134 CoverageAnalysis]: Checked inductivity of 990 backedges. 0 proven. 780 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2023-11-21 18:50:26,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:26,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 133 states and 168 transitions. [2023-11-21 18:50:26,764 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 168 transitions. [2023-11-21 18:50:26,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2023-11-21 18:50:26,765 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:26,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:26,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 277 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:50:26,841 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1080 backedges. 0 proven. 840 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:50:27,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:27,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 137 states and 174 transitions. [2023-11-21 18:50:27,600 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 174 transitions. [2023-11-21 18:50:27,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2023-11-21 18:50:27,601 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:27,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:27,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:27,701 INFO L262 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 35 conjunts are in the unsatisfiable core [2023-11-21 18:50:27,710 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:27,973 INFO L134 CoverageAnalysis]: Checked inductivity of 1128 backedges. 0 proven. 888 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2023-11-21 18:50:28,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:28,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 140 states and 177 transitions. [2023-11-21 18:50:28,358 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 177 transitions. [2023-11-21 18:50:28,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2023-11-21 18:50:28,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:28,360 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:28,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:28,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:50:28,439 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:28,695 INFO L134 CoverageAnalysis]: Checked inductivity of 1224 backedges. 0 proven. 952 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-21 18:50:29,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 144 states and 183 transitions. [2023-11-21 18:50:29,245 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 183 transitions. [2023-11-21 18:50:29,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2023-11-21 18:50:29,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:29,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:29,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 298 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-21 18:50:29,326 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1275 backedges. 0 proven. 1003 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2023-11-21 18:50:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:29,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 147 states and 186 transitions. [2023-11-21 18:50:29,992 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 186 transitions. [2023-11-21 18:50:29,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2023-11-21 18:50:29,994 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:29,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,065 INFO L262 TraceCheckSpWp]: Trace formula consists of 309 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:50:30,068 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:30,322 INFO L134 CoverageAnalysis]: Checked inductivity of 1377 backedges. 0 proven. 1071 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 18:50:30,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:30,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 151 states and 192 transitions. [2023-11-21 18:50:30,888 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 192 transitions. [2023-11-21 18:50:30,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2023-11-21 18:50:30,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:30,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:30,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:30,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 314 conjuncts, 39 conjunts are in the unsatisfiable core [2023-11-21 18:50:30,982 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:31,309 INFO L134 CoverageAnalysis]: Checked inductivity of 1431 backedges. 0 proven. 1125 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2023-11-21 18:50:31,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:31,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 154 states and 195 transitions. [2023-11-21 18:50:31,710 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 195 transitions. [2023-11-21 18:50:31,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2023-11-21 18:50:31,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:31,712 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:31,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:31,786 INFO L262 TraceCheckSpWp]: Trace formula consists of 325 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-21 18:50:31,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:32,070 INFO L134 CoverageAnalysis]: Checked inductivity of 1539 backedges. 0 proven. 1197 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-21 18:50:32,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:32,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 158 states and 201 transitions. [2023-11-21 18:50:32,710 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 201 transitions. [2023-11-21 18:50:32,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2023-11-21 18:50:32,711 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:32,711 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:32,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:32,803 INFO L262 TraceCheckSpWp]: Trace formula consists of 330 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-21 18:50:32,807 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:33,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 0 proven. 1254 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2023-11-21 18:50:33,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:33,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 161 states and 204 transitions. [2023-11-21 18:50:33,570 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 204 transitions. [2023-11-21 18:50:33,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2023-11-21 18:50:33,571 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:33,571 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:33,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:33,654 INFO L262 TraceCheckSpWp]: Trace formula consists of 341 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:50:33,658 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:33,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1710 backedges. 0 proven. 1330 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-21 18:50:34,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:34,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 165 states and 210 transitions. [2023-11-21 18:50:34,552 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 210 transitions. [2023-11-21 18:50:34,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2023-11-21 18:50:34,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:34,554 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:34,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:34,715 INFO L262 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-21 18:50:34,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:35,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1770 backedges. 0 proven. 1390 refuted. 0 times theorem prover too weak. 380 trivial. 0 not checked. [2023-11-21 18:50:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 168 states and 213 transitions. [2023-11-21 18:50:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 213 transitions. [2023-11-21 18:50:35,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2023-11-21 18:50:35,576 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:35,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:35,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:35,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 22 conjunts are in the unsatisfiable core [2023-11-21 18:50:35,669 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:36,007 INFO L134 CoverageAnalysis]: Checked inductivity of 1890 backedges. 0 proven. 1470 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:50:36,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:36,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 172 states and 219 transitions. [2023-11-21 18:50:36,651 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2023-11-21 18:50:36,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2023-11-21 18:50:36,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:36,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:36,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 45 conjunts are in the unsatisfiable core [2023-11-21 18:50:36,761 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:37,099 INFO L134 CoverageAnalysis]: Checked inductivity of 1953 backedges. 0 proven. 1533 refuted. 0 times theorem prover too weak. 420 trivial. 0 not checked. [2023-11-21 18:50:37,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:37,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 175 states and 222 transitions. [2023-11-21 18:50:37,589 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 222 transitions. [2023-11-21 18:50:37,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2023-11-21 18:50:37,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:37,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:37,674 INFO L262 TraceCheckSpWp]: Trace formula consists of 373 conjuncts, 23 conjunts are in the unsatisfiable core [2023-11-21 18:50:37,678 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:38,064 INFO L134 CoverageAnalysis]: Checked inductivity of 2079 backedges. 0 proven. 1617 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 18:50:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:38,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 179 states and 228 transitions. [2023-11-21 18:50:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 228 transitions. [2023-11-21 18:50:38,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2023-11-21 18:50:38,769 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:38,769 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:38,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:38,862 INFO L262 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-21 18:50:38,867 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:39,205 INFO L134 CoverageAnalysis]: Checked inductivity of 2145 backedges. 0 proven. 1683 refuted. 0 times theorem prover too weak. 462 trivial. 0 not checked. [2023-11-21 18:50:39,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:39,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 182 states and 231 transitions. [2023-11-21 18:50:39,712 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 231 transitions. [2023-11-21 18:50:39,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2023-11-21 18:50:39,714 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:39,714 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:39,793 INFO L262 TraceCheckSpWp]: Trace formula consists of 389 conjuncts, 24 conjunts are in the unsatisfiable core [2023-11-21 18:50:39,797 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:40,125 INFO L134 CoverageAnalysis]: Checked inductivity of 2277 backedges. 0 proven. 1771 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-21 18:50:40,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:40,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 186 states and 237 transitions. [2023-11-21 18:50:40,799 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 237 transitions. [2023-11-21 18:50:40,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2023-11-21 18:50:40,800 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:40,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:40,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:40,912 INFO L262 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 49 conjunts are in the unsatisfiable core [2023-11-21 18:50:40,916 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:41,279 INFO L134 CoverageAnalysis]: Checked inductivity of 2346 backedges. 0 proven. 1840 refuted. 0 times theorem prover too weak. 506 trivial. 0 not checked. [2023-11-21 18:50:41,817 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:41,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 189 states and 240 transitions. [2023-11-21 18:50:41,818 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 240 transitions. [2023-11-21 18:50:41,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2023-11-21 18:50:41,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:41,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:41,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 405 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-21 18:50:41,918 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:42,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2484 backedges. 0 proven. 1932 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-21 18:50:42,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:42,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 193 states and 246 transitions. [2023-11-21 18:50:42,967 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 246 transitions. [2023-11-21 18:50:42,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2023-11-21 18:50:42,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:42,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:43,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:43,103 INFO L262 TraceCheckSpWp]: Trace formula consists of 410 conjuncts, 51 conjunts are in the unsatisfiable core [2023-11-21 18:50:43,107 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:43,442 INFO L134 CoverageAnalysis]: Checked inductivity of 2556 backedges. 0 proven. 2004 refuted. 0 times theorem prover too weak. 552 trivial. 0 not checked. [2023-11-21 18:50:43,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:43,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 196 states and 249 transitions. [2023-11-21 18:50:43,964 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 249 transitions. [2023-11-21 18:50:43,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2023-11-21 18:50:43,965 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:43,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:44,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:44,058 INFO L262 TraceCheckSpWp]: Trace formula consists of 421 conjuncts, 26 conjunts are in the unsatisfiable core [2023-11-21 18:50:44,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:44,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2700 backedges. 0 proven. 2100 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-21 18:50:45,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:45,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 200 states and 255 transitions. [2023-11-21 18:50:45,217 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 255 transitions. [2023-11-21 18:50:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2023-11-21 18:50:45,218 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:45,219 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:45,313 INFO L262 TraceCheckSpWp]: Trace formula consists of 426 conjuncts, 53 conjunts are in the unsatisfiable core [2023-11-21 18:50:45,316 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:45,713 INFO L134 CoverageAnalysis]: Checked inductivity of 2775 backedges. 0 proven. 2175 refuted. 0 times theorem prover too weak. 600 trivial. 0 not checked. [2023-11-21 18:50:46,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:46,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 203 states and 258 transitions. [2023-11-21 18:50:46,295 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 258 transitions. [2023-11-21 18:50:46,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2023-11-21 18:50:46,296 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:46,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:46,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:46,387 INFO L262 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-21 18:50:46,392 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:46,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2925 backedges. 0 proven. 2275 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-21 18:50:47,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:47,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 207 states and 264 transitions. [2023-11-21 18:50:47,532 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 264 transitions. [2023-11-21 18:50:47,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2023-11-21 18:50:47,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:47,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:47,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:47,640 INFO L262 TraceCheckSpWp]: Trace formula consists of 442 conjuncts, 55 conjunts are in the unsatisfiable core [2023-11-21 18:50:47,645 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:48,078 INFO L134 CoverageAnalysis]: Checked inductivity of 3003 backedges. 0 proven. 2353 refuted. 0 times theorem prover too weak. 650 trivial. 0 not checked. [2023-11-21 18:50:48,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:48,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 210 states and 267 transitions. [2023-11-21 18:50:48,695 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 267 transitions. [2023-11-21 18:50:48,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2023-11-21 18:50:48,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:48,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:48,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:48,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 453 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-21 18:50:48,792 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:49,215 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 2457 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-21 18:50:50,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:50,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 214 states and 273 transitions. [2023-11-21 18:50:50,135 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 273 transitions. [2023-11-21 18:50:50,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2023-11-21 18:50:50,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:50,137 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:50,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 458 conjuncts, 57 conjunts are in the unsatisfiable core [2023-11-21 18:50:50,243 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:50,636 INFO L134 CoverageAnalysis]: Checked inductivity of 3240 backedges. 0 proven. 2538 refuted. 0 times theorem prover too weak. 702 trivial. 0 not checked. [2023-11-21 18:50:51,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:51,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 279 states to 217 states and 276 transitions. [2023-11-21 18:50:51,267 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 276 transitions. [2023-11-21 18:50:51,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2023-11-21 18:50:51,269 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:51,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:51,371 INFO L262 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 29 conjunts are in the unsatisfiable core [2023-11-21 18:50:51,375 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 3402 backedges. 0 proven. 2646 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-21 18:50:52,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:52,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 221 states and 282 transitions. [2023-11-21 18:50:52,709 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 282 transitions. [2023-11-21 18:50:52,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2023-11-21 18:50:52,710 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:52,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:52,810 INFO L262 TraceCheckSpWp]: Trace formula consists of 474 conjuncts, 59 conjunts are in the unsatisfiable core [2023-11-21 18:50:52,814 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:53,230 INFO L134 CoverageAnalysis]: Checked inductivity of 3486 backedges. 0 proven. 2730 refuted. 0 times theorem prover too weak. 756 trivial. 0 not checked. [2023-11-21 18:50:53,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:53,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 224 states and 285 transitions. [2023-11-21 18:50:53,992 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 285 transitions. [2023-11-21 18:50:53,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2023-11-21 18:50:53,995 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:53,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:54,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:54,117 INFO L262 TraceCheckSpWp]: Trace formula consists of 485 conjuncts, 30 conjunts are in the unsatisfiable core [2023-11-21 18:50:54,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:54,609 INFO L134 CoverageAnalysis]: Checked inductivity of 3654 backedges. 0 proven. 2842 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-21 18:50:55,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:55,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 228 states and 291 transitions. [2023-11-21 18:50:55,573 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 291 transitions. [2023-11-21 18:50:55,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2023-11-21 18:50:55,575 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:55,576 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:55,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:55,678 INFO L262 TraceCheckSpWp]: Trace formula consists of 490 conjuncts, 61 conjunts are in the unsatisfiable core [2023-11-21 18:50:55,682 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:56,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3741 backedges. 0 proven. 2929 refuted. 0 times theorem prover too weak. 812 trivial. 0 not checked. [2023-11-21 18:50:56,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:56,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 231 states and 294 transitions. [2023-11-21 18:50:56,849 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 294 transitions. [2023-11-21 18:50:56,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2023-11-21 18:50:56,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:56,851 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:56,955 INFO L262 TraceCheckSpWp]: Trace formula consists of 501 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-21 18:50:56,960 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:57,429 INFO L134 CoverageAnalysis]: Checked inductivity of 3915 backedges. 0 proven. 3045 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-21 18:50:58,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:58,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 235 states and 300 transitions. [2023-11-21 18:50:58,430 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 300 transitions. [2023-11-21 18:50:58,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2023-11-21 18:50:58,432 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:58,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:58,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:58,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 506 conjuncts, 63 conjunts are in the unsatisfiable core [2023-11-21 18:50:58,544 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:50:59,006 INFO L134 CoverageAnalysis]: Checked inductivity of 4005 backedges. 0 proven. 3135 refuted. 0 times theorem prover too weak. 870 trivial. 0 not checked. [2023-11-21 18:50:59,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:50:59,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 238 states and 303 transitions. [2023-11-21 18:50:59,778 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 303 transitions. [2023-11-21 18:50:59,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2023-11-21 18:50:59,785 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:50:59,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:50:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:50:59,883 INFO L262 TraceCheckSpWp]: Trace formula consists of 517 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-21 18:50:59,886 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:00,326 INFO L134 CoverageAnalysis]: Checked inductivity of 4185 backedges. 0 proven. 3255 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked. [2023-11-21 18:51:01,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:51:01,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 242 states and 309 transitions. [2023-11-21 18:51:01,338 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 309 transitions. [2023-11-21 18:51:01,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2023-11-21 18:51:01,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:51:01,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:51:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:51:01,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 522 conjuncts, 65 conjunts are in the unsatisfiable core [2023-11-21 18:51:01,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:51:01,906 INFO L134 CoverageAnalysis]: Checked inductivity of 4278 backedges. 0 proven. 3348 refuted. 0 times theorem prover too weak. 930 trivial. 0 not checked.