./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd3.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/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_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/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_f14d496a-12a7-47ef-be3b-bf7dc12564e0/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 bb88ed9682db6491f425c1562db72fd328b6ec1826a177590c091d79b16175c0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:55,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:55,762 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:33:55,768 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:33:55,768 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:33:55,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:55,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:55,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:55,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:55,794 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:55,795 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:55,796 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:55,797 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:55,797 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:33:55,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:55,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:55,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:55,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:55,801 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:55,801 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:55,802 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:55,803 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:55,804 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:55,805 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:55,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:55,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:55,807 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:55,807 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:55,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:55,809 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:55,809 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:55,810 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:55,811 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:33:55,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:33:55,812 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:55,812 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_f14d496a-12a7-47ef-be3b-bf7dc12564e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb88ed9682db6491f425c1562db72fd328b6ec1826a177590c091d79b16175c0 [2023-11-21 18:33:56,128 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:33:56,151 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:33:56,154 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:33:56,155 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:33:56,156 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:33:56,158 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/egcd3.c [2023-11-21 18:33:59,198 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:33:59,419 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:33:59,420 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/sv-benchmarks/c/nla-digbench/egcd3.c [2023-11-21 18:33:59,427 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/data/d376a175d/ba91c1817b0f40699352e7e819d1c1f7/FLAGccfde199d [2023-11-21 18:33:59,441 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/data/d376a175d/ba91c1817b0f40699352e7e819d1c1f7 [2023-11-21 18:33:59,444 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:33:59,446 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:33:59,447 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:59,448 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:33:59,453 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:33:59,454 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,455 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7a27d8cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59, skipping insertion in model container [2023-11-21 18:33:59,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,480 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:33:59,716 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:59,728 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:33:59,755 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:33:59,769 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:33:59,770 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59 WrapperNode [2023-11-21 18:33:59,770 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:33:59,771 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:59,771 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:33:59,772 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:33:59,780 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,799 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,826 INFO L138 Inliner]: procedures = 14, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 145 [2023-11-21 18:33:59,826 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:33:59,827 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:33:59,827 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:33:59,827 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:33:59,838 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,838 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,852 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,856 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,858 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,859 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,862 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:33:59,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:33:59,863 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:33:59,871 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:33:59,872 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:33:59" (1/1) ... [2023-11-21 18:33:59,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:59,896 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:33:59,908 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:33:59,929 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f14d496a-12a7-47ef-be3b-bf7dc12564e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:33:59,961 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:33:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:33:59,962 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:33:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:33:59,962 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:33:59,963 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:33:59,964 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:33:59,964 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:34:00,048 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:00,051 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:00,548 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:00,598 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:00,598 INFO L308 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-21 18:34:00,600 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:00 BoogieIcfgContainer [2023-11-21 18:34:00,600 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:00,601 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:00,601 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:00,612 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:00,612 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:00" (1/1) ... [2023-11-21 18:34:00,622 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:00,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:00,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 122 states and 132 transitions. [2023-11-21 18:34:00,687 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 132 transitions. [2023-11-21 18:34:00,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:34:00,692 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:00,692 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:00,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:00,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:00,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:34:00,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:00,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:00,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 122 states and 131 transitions. [2023-11-21 18:34:00,958 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 131 transitions. [2023-11-21 18:34:00,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:34:00,959 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:00,959 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,001 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,003 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 125 states and 136 transitions. [2023-11-21 18:34:01,146 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 136 transitions. [2023-11-21 18:34:01,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:34:01,147 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,186 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,187 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:01,272 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:01,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 129 states and 142 transitions. [2023-11-21 18:34:01,501 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 142 transitions. [2023-11-21 18:34:01,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:34:01,502 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,502 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,560 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,562 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:01,596 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:01,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 134 states and 150 transitions. [2023-11-21 18:34:01,802 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 150 transitions. [2023-11-21 18:34:01,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:34:01,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,847 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,848 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:01,850 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:01,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 134 states and 149 transitions. [2023-11-21 18:34:01,860 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 149 transitions. [2023-11-21 18:34:01,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:01,860 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,861 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,897 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:01,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:01,914 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:01,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:01,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 135 states and 150 transitions. [2023-11-21 18:34:01,938 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 150 transitions. [2023-11-21 18:34:01,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:01,939 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:01,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:01,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:01,991 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:01,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 135 states and 149 transitions. [2023-11-21 18:34:02,000 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 149 transitions. [2023-11-21 18:34:02,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:02,001 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,030 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:02,031 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:02,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 141 states and 163 transitions. [2023-11-21 18:34:02,184 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 163 transitions. [2023-11-21 18:34:02,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:34:02,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,218 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:02,219 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,230 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:02,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 145 states and 172 transitions. [2023-11-21 18:34:02,315 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 172 transitions. [2023-11-21 18:34:02,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:02,316 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,366 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:02,368 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 148 states and 176 transitions. [2023-11-21 18:34:02,632 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 176 transitions. [2023-11-21 18:34:02,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:02,636 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:02,693 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 149 states and 177 transitions. [2023-11-21 18:34:02,732 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 177 transitions. [2023-11-21 18:34:02,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:02,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:02,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,793 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 150 states and 178 transitions. [2023-11-21 18:34:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 178 transitions. [2023-11-21 18:34:02,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:34:02,820 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:02,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:02,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:02,864 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:02,868 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:02,942 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:03,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:03,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 151 states and 179 transitions. [2023-11-21 18:34:03,188 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 179 transitions. [2023-11-21 18:34:03,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:34:03,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:03,190 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:03,221 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:03,223 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:03,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:03,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:03,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 157 states and 190 transitions. [2023-11-21 18:34:03,532 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 190 transitions. [2023-11-21 18:34:03,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:34:03,533 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:03,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:03,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:03,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:03,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:03,702 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:04,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:04,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 161 states and 197 transitions. [2023-11-21 18:34:04,045 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 197 transitions. [2023-11-21 18:34:04,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:34:04,046 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:04,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:04,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:04,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:04,075 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:04,089 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:04,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:04,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 168 states and 206 transitions. [2023-11-21 18:34:04,489 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 206 transitions. [2023-11-21 18:34:04,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:34:04,489 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:04,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:04,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:04,512 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:04,513 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:04,569 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:04,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:04,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 175 states and 218 transitions. [2023-11-21 18:34:04,810 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 218 transitions. [2023-11-21 18:34:04,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:34:04,811 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:04,811 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:04,836 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:04,837 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:04,965 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:05,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:05,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 180 states and 226 transitions. [2023-11-21 18:34:05,450 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 226 transitions. [2023-11-21 18:34:05,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:05,451 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:05,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:05,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:05,481 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:05,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:05,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:05,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 181 states and 227 transitions. [2023-11-21 18:34:05,521 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 227 transitions. [2023-11-21 18:34:05,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:05,521 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:05,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:05,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:05,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:05,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:05,640 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:05,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:05,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 184 states and 231 transitions. [2023-11-21 18:34:05,888 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 231 transitions. [2023-11-21 18:34:05,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:34:05,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:05,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:05,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:05,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:05,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:05,966 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:06,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:06,648 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 254 states to 192 states and 246 transitions. [2023-11-21 18:34:06,648 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 246 transitions. [2023-11-21 18:34:06,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:34:06,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:06,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:06,670 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:06,672 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:06,806 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:07,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:07,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 195 states and 249 transitions. [2023-11-21 18:34:07,128 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 249 transitions. [2023-11-21 18:34:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:34:07,128 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:07,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:07,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:07,158 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:07,159 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:07,258 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:07,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:07,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 196 states and 250 transitions. [2023-11-21 18:34:07,627 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 250 transitions. [2023-11-21 18:34:07,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:34:07,627 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:07,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:07,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:07,664 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:07,665 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:07,681 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:07,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:07,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 197 states and 251 transitions. [2023-11-21 18:34:07,698 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 251 transitions. [2023-11-21 18:34:07,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:34:07,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:07,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:07,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:07,723 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:07,724 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:07,801 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:08,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:08,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 198 states and 252 transitions. [2023-11-21 18:34:08,123 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 252 transitions. [2023-11-21 18:34:08,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:34:08,124 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:08,125 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:08,154 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:08,156 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:08,317 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:09,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:09,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 206 states and 264 transitions. [2023-11-21 18:34:09,225 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 264 transitions. [2023-11-21 18:34:09,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:09,225 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:09,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:09,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:09,251 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:09,252 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:09,445 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:10,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:10,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 219 states and 281 transitions. [2023-11-21 18:34:10,585 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 281 transitions. [2023-11-21 18:34:10,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:34:10,586 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:10,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:10,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:10,616 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:10,619 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:10,840 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:12,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:12,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 228 states and 297 transitions. [2023-11-21 18:34:12,155 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 297 transitions. [2023-11-21 18:34:12,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:34:12,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:12,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:12,181 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:12,182 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:12,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 242 states and 315 transitions. [2023-11-21 18:34:14,013 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 315 transitions. [2023-11-21 18:34:14,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:34:14,013 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,013 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,044 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,063 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:14,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:14,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 251 states and 328 transitions. [2023-11-21 18:34:14,468 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 328 transitions. [2023-11-21 18:34:14,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:34:14,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:14,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:14,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:14,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:34:14,496 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:14,946 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:16,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 262 states and 339 transitions. [2023-11-21 18:34:16,477 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 339 transitions. [2023-11-21 18:34:16,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:16,478 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,504 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:16,526 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:16,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:16,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 263 states and 340 transitions. [2023-11-21 18:34:16,549 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 340 transitions. [2023-11-21 18:34:16,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:16,550 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:16,550 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:16,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:16,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:34:16,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:17,047 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:19,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 371 states to 279 states and 359 transitions. [2023-11-21 18:34:19,115 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 359 transitions. [2023-11-21 18:34:19,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:34:19,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:19,208 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:19,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:19,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 292 states and 380 transitions. [2023-11-21 18:34:19,826 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 380 transitions. [2023-11-21 18:34:19,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:34:19,826 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:19,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:19,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:19,858 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:19,859 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:20,323 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:24,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 307 states and 414 transitions. [2023-11-21 18:34:24,044 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 414 transitions. [2023-11-21 18:34:24,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:24,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,068 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,069 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,365 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:28,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 323 states and 442 transitions. [2023-11-21 18:34:28,491 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 442 transitions. [2023-11-21 18:34:28,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:34:28,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,492 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:28,524 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:28,555 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:28,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 325 states and 447 transitions. [2023-11-21 18:34:28,909 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 447 transitions. [2023-11-21 18:34:28,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:28,910 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,910 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,934 INFO L262 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:28,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:29,177 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:29,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 328 states and 451 transitions. [2023-11-21 18:34:29,740 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 451 transitions. [2023-11-21 18:34:29,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:34:29,740 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,741 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:29,773 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:29,803 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:30,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:30,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 471 states to 330 states and 455 transitions. [2023-11-21 18:34:30,152 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 455 transitions. [2023-11-21 18:34:30,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:34:30,153 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:30,153 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:30,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,180 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:30,181 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:30,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:31,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 331 states and 456 transitions. [2023-11-21 18:34:31,005 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 456 transitions. [2023-11-21 18:34:31,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:31,006 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,033 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:31,035 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:31,567 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:36,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:36,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 350 states and 505 transitions. [2023-11-21 18:34:36,638 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 505 transitions. [2023-11-21 18:34:36,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:36,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:36,639 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:36,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:36,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:37,181 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:41,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:41,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 359 states and 532 transitions. [2023-11-21 18:34:41,044 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 532 transitions. [2023-11-21 18:34:41,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:41,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:41,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:41,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:41,082 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:41,084 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:41,110 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:42,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 363 states and 545 transitions. [2023-11-21 18:34:42,060 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 545 transitions. [2023-11-21 18:34:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:42,060 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:42,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,086 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:42,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:42,109 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:42,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 365 states and 550 transitions. [2023-11-21 18:34:42,686 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 550 transitions. [2023-11-21 18:34:42,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:42,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:42,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,716 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:42,717 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:42,826 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 367 states and 552 transitions. [2023-11-21 18:34:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 552 transitions. [2023-11-21 18:34:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:43,362 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:43,362 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,389 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:43,390 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:44,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 369 states and 554 transitions. [2023-11-21 18:34:44,048 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 554 transitions. [2023-11-21 18:34:44,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:44,048 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,085 INFO L262 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:44,087 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:44,108 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 371 states and 559 transitions. [2023-11-21 18:34:44,619 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 559 transitions. [2023-11-21 18:34:44,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:44,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:44,647 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:44,750 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:45,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:45,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 373 states and 561 transitions. [2023-11-21 18:34:45,290 INFO L276 IsEmpty]: Start isEmpty. Operand 373 states and 561 transitions. [2023-11-21 18:34:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:34:45,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:45,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:45,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:45,337 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:45,337 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:51,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:51,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 389 states and 598 transitions. [2023-11-21 18:34:51,500 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 598 transitions. [2023-11-21 18:34:51,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:34:51,501 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:51,501 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:51,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:51,525 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:51,526 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:51,641 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-21 18:34:52,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:52,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 619 states to 391 states and 602 transitions. [2023-11-21 18:34:52,271 INFO L276 IsEmpty]: Start isEmpty. Operand 391 states and 602 transitions. [2023-11-21 18:34:52,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:34:52,271 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:52,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:52,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:52,311 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:52,312 INFO L285 TraceCheckSpWp]: Computing forward predicates...