./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 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_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/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_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/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_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/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 290432887833d1264fa39f327d8609faf39248fe680017022e16e5c72d0bf2b6 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:34:18,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:34:19,013 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:34:19,019 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:34:19,020 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:34:19,050 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:34:19,051 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:34:19,052 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:34:19,053 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:34:19,054 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:34:19,054 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:34:19,055 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:34:19,056 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:34:19,056 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:34:19,057 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:34:19,057 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:34:19,058 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:34:19,058 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:34:19,059 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:34:19,060 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:34:19,060 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:34:19,061 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:34:19,061 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:34:19,062 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:34:19,062 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:34:19,062 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:34:19,063 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:34:19,063 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:34:19,064 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:19,064 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:34:19,065 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:34:19,065 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:34:19,066 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:34:19,066 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:34:19,066 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:34:19,067 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_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 290432887833d1264fa39f327d8609faf39248fe680017022e16e5c72d0bf2b6 [2023-11-21 18:34:19,304 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:34:19,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:34:19,329 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:34:19,330 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:34:19,331 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:34:19,332 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c [2023-11-21 18:34:22,437 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:34:22,718 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:34:22,718 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound20.c [2023-11-21 18:34:22,725 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/data/98fe1e10b/b052609c08cf408fb100a523047df69f/FLAGa3872bea1 [2023-11-21 18:34:22,740 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/data/98fe1e10b/b052609c08cf408fb100a523047df69f [2023-11-21 18:34:22,743 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:34:22,744 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:34:22,746 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:22,746 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:34:22,752 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:34:22,753 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:22,754 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42a01a22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22, skipping insertion in model container [2023-11-21 18:34:22,754 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:22,777 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:34:22,953 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:22,962 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:34:22,979 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:34:22,995 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:34:22,995 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22 WrapperNode [2023-11-21 18:34:22,995 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:34:22,997 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:22,997 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:34:22,997 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:34:23,005 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,040 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-21 18:34:23,041 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:34:23,042 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:34:23,042 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:34:23,042 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:34:23,051 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,052 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,053 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,054 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,058 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,063 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:34:23,067 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:34:23,067 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:34:23,067 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:34:23,068 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:34:22" (1/1) ... [2023-11-21 18:34:23,074 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:34:23,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:34:23,108 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:34:23,135 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b3e2463c-1b6d-4f66-8386-9a816f6d9aa5/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:34:23,169 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:34:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:34:23,170 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:34:23,170 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:34:23,171 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:34:23,171 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:34:23,247 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:34:23,250 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:34:23,431 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:34:23,463 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:34:23,464 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:34:23,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:23 BoogieIcfgContainer [2023-11-21 18:34:23,466 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:34:23,467 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:34:23,467 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:34:23,477 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:34:23,477 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:34:23" (1/1) ... [2023-11-21 18:34:23,485 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:34:23,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-21 18:34:23,534 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-21 18:34:23,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:34:23,536 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,654 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 18:34:23,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-21 18:34:23,670 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-21 18:34:23,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:34:23,671 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,793 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 18:34:23,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:34:23,832 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:34:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:34:23,833 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,907 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 18:34:23,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-21 18:34:23,947 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-21 18:34:23,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-21 18:34:23,947 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:23,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:23,965 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 18:34:23,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:23,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-21 18:34:23,986 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-21 18:34:23,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:23,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:23,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,020 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,049 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 18:34:24,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-21 18:34:24,232 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-21 18:34:24,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:34:24,233 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,268 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,351 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 18:34:24,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-21 18:34:24,455 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-21 18:34:24,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:34:24,460 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,516 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,517 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,562 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 18:34:24,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-21 18:34:24,638 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-21 18:34:24,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:34:24,639 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,676 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,677 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,736 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 18:34:24,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:24,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-21 18:34:24,893 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-21 18:34:24,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:34:24,894 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:24,894 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:24,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:24,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:34:24,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:24,954 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 18:34:25,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-21 18:34:25,084 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-21 18:34:25,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:34:25,085 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,107 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:25,108 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:25,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 54 states and 78 transitions. [2023-11-21 18:34:25,666 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 78 transitions. [2023-11-21 18:34:25,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:34:25,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:25,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:25,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:25,693 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:25,694 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:25,873 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:26,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 65 states and 100 transitions. [2023-11-21 18:34:26,605 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 100 transitions. [2023-11-21 18:34:26,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:34:26,606 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:26,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:26,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:26,639 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:26,640 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:26,703 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:27,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 72 states and 111 transitions. [2023-11-21 18:34:27,374 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2023-11-21 18:34:27,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:34:27,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,441 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,443 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,520 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:27,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 76 states and 124 transitions. [2023-11-21 18:34:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 124 transitions. [2023-11-21 18:34:27,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:34:27,786 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:27,786 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:27,814 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:27,816 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:27,991 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:28,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:28,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 84 states and 135 transitions. [2023-11-21 18:34:28,396 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 135 transitions. [2023-11-21 18:34:28,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:34:28,397 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:28,398 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:28,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:28,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:28,437 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:28,668 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:29,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:29,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 102 states and 164 transitions. [2023-11-21 18:34:29,735 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 164 transitions. [2023-11-21 18:34:29,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:34:29,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:29,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:29,772 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:29,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:29,875 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:34:30,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:30,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 108 states and 174 transitions. [2023-11-21 18:34:30,607 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 174 transitions. [2023-11-21 18:34:30,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:34:30,608 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:30,609 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:30,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:30,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:34:30,656 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:30,758 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 18:34:31,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:31,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 189 transitions. [2023-11-21 18:34:31,103 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2023-11-21 18:34:31,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:34:31,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:31,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:31,143 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:31,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:31,348 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:32,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:32,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 122 states and 202 transitions. [2023-11-21 18:34:32,138 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 202 transitions. [2023-11-21 18:34:32,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:34:32,139 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:32,140 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:32,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:32,182 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:34:32,184 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:32,463 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:33,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 132 states and 222 transitions. [2023-11-21 18:34:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 222 transitions. [2023-11-21 18:34:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:34:33,187 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:33,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:33,232 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:33,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:33,360 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:34:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 239 states to 138 states and 233 transitions. [2023-11-21 18:34:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 233 transitions. [2023-11-21 18:34:34,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:34:34,288 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:34,288 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:34,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:34:34,328 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:34,385 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-21 18:34:34,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:34,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 141 states and 235 transitions. [2023-11-21 18:34:34,847 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 235 transitions. [2023-11-21 18:34:34,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:34:34,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:34,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:34,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:34,877 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:34:34,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:35,016 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:35,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:35,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 145 states and 251 transitions. [2023-11-21 18:34:35,412 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 251 transitions. [2023-11-21 18:34:35,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:35,413 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:35,413 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:35,453 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:35,455 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:35,836 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:36,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:36,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 152 states and 262 transitions. [2023-11-21 18:34:36,408 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 262 transitions. [2023-11-21 18:34:36,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:34:36,409 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:36,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:36,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:36,449 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:34:36,451 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:37,205 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:38,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:38,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 164 states and 296 transitions. [2023-11-21 18:34:38,763 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 296 transitions. [2023-11-21 18:34:38,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:34:38,764 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:38,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:38,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:38,820 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:34:38,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:39,063 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:39,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:39,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 174 states and 317 transitions. [2023-11-21 18:34:39,777 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 317 transitions. [2023-11-21 18:34:39,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:34:39,779 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:39,779 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:39,816 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:39,818 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:39,969 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:40,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 180 states and 328 transitions. [2023-11-21 18:34:40,733 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 328 transitions. [2023-11-21 18:34:40,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:34:40,735 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:40,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:40,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:40,776 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:40,778 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:40,848 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:41,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:41,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 183 states and 332 transitions. [2023-11-21 18:34:41,722 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 332 transitions. [2023-11-21 18:34:41,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:34:41,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:41,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:41,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:41,779 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:41,780 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:41,928 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:42,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:42,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 185 states and 333 transitions. [2023-11-21 18:34:42,568 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 333 transitions. [2023-11-21 18:34:42,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:34:42,570 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:42,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:42,602 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:42,604 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:42,679 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:43,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:43,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 188 states and 335 transitions. [2023-11-21 18:34:43,283 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 335 transitions. [2023-11-21 18:34:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-21 18:34:43,284 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:43,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:43,347 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:34:43,348 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:43,430 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-21 18:34:44,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 191 states and 337 transitions. [2023-11-21 18:34:44,039 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 337 transitions. [2023-11-21 18:34:44,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-21 18:34:44,040 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,040 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,076 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:34:44,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:44,259 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:44,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:44,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 195 states and 357 transitions. [2023-11-21 18:34:44,790 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 357 transitions. [2023-11-21 18:34:44,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:34:44,791 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:44,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:44,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:44,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:44,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:45,250 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:46,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:46,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 205 states and 370 transitions. [2023-11-21 18:34:46,752 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 370 transitions. [2023-11-21 18:34:46,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:34:46,753 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:46,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:46,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:46,800 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:34:46,803 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:47,147 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:48,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:48,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 213 states and 381 transitions. [2023-11-21 18:34:48,136 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 381 transitions. [2023-11-21 18:34:48,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:34:48,138 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:48,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:48,191 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:34:48,193 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:48,526 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:49,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:49,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 225 states and 419 transitions. [2023-11-21 18:34:49,657 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 419 transitions. [2023-11-21 18:34:49,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:34:49,658 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:49,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:49,697 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:49,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:49,888 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:51,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:51,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 231 states and 433 transitions. [2023-11-21 18:34:51,346 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 433 transitions. [2023-11-21 18:34:51,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:34:51,347 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:51,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:51,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:51,394 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:51,395 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:51,478 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:52,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:52,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 234 states and 435 transitions. [2023-11-21 18:34:52,196 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 435 transitions. [2023-11-21 18:34:52,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:34:52,198 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:52,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:52,234 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:52,236 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:52,315 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:53,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:53,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 237 states and 437 transitions. [2023-11-21 18:34:53,086 INFO L276 IsEmpty]: Start isEmpty. Operand 237 states and 437 transitions. [2023-11-21 18:34:53,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:34:53,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:53,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:53,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:53,126 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:53,128 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:53,204 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:53,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:53,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 240 states and 439 transitions. [2023-11-21 18:34:53,953 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 439 transitions. [2023-11-21 18:34:53,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:34:53,955 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:53,955 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:53,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:53,995 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:53,996 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:54,113 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:54,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:54,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 242 states and 440 transitions. [2023-11-21 18:34:54,988 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 440 transitions. [2023-11-21 18:34:54,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:34:54,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:54,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:55,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-21 18:34:55,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:55,111 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 0 proven. 130 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-21 18:34:55,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:55,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 245 states and 442 transitions. [2023-11-21 18:34:55,917 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 442 transitions. [2023-11-21 18:34:55,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:34:55,935 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:55,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:55,978 INFO L262 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:34:55,980 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:56,199 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 150 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:34:56,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:56,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 249 states and 465 transitions. [2023-11-21 18:34:56,978 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 465 transitions. [2023-11-21 18:34:56,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:34:56,981 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:56,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:57,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:57,025 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:34:57,027 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:57,395 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:34:58,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:34:58,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 256 states and 476 transitions. [2023-11-21 18:34:58,251 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 476 transitions. [2023-11-21 18:34:58,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:34:58,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:34:58,252 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:34:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:34:58,299 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:34:58,300 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:34:58,914 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:00,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 259 states and 479 transitions. [2023-11-21 18:35:00,329 INFO L276 IsEmpty]: Start isEmpty. Operand 259 states and 479 transitions. [2023-11-21 18:35:00,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2023-11-21 18:35:00,331 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:00,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:00,368 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:35:00,370 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:00,500 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:01,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 262 states and 481 transitions. [2023-11-21 18:35:01,851 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 481 transitions. [2023-11-21 18:35:01,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2023-11-21 18:35:01,852 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:01,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:01,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:01,888 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:35:01,890 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:02,243 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 18 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:35:03,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:03,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 274 states and 523 transitions. [2023-11-21 18:35:03,652 INFO L276 IsEmpty]: Start isEmpty. Operand 274 states and 523 transitions. [2023-11-21 18:35:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:03,654 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:03,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:03,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:03,700 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:03,703 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:05,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:05,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 280 states and 536 transitions. [2023-11-21 18:35:05,253 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 536 transitions. [2023-11-21 18:35:05,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:05,254 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:05,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:05,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:05,295 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:05,301 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:05,387 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:06,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:06,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 547 states to 283 states and 538 transitions. [2023-11-21 18:35:06,420 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 538 transitions. [2023-11-21 18:35:06,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:06,421 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:06,421 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:06,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:06,462 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:06,464 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:06,552 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:07,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:07,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 286 states and 542 transitions. [2023-11-21 18:35:07,978 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 542 transitions. [2023-11-21 18:35:07,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:07,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:07,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:08,027 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:08,030 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:08,126 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:09,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:09,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 289 states and 544 transitions. [2023-11-21 18:35:09,076 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 544 transitions. [2023-11-21 18:35:09,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:09,077 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:09,077 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:09,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:09,120 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:09,122 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:09,208 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:10,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:10,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 292 states and 546 transitions. [2023-11-21 18:35:10,238 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 546 transitions. [2023-11-21 18:35:10,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:10,238 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:10,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:10,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:10,283 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:10,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:10,373 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:11,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 295 states and 548 transitions. [2023-11-21 18:35:11,317 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 548 transitions. [2023-11-21 18:35:11,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2023-11-21 18:35:11,318 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:11,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:11,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:11,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:35:11,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:11,465 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 186 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:35:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:12,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 297 states and 549 transitions. [2023-11-21 18:35:12,539 INFO L276 IsEmpty]: Start isEmpty. Operand 297 states and 549 transitions. [2023-11-21 18:35:12,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2023-11-21 18:35:12,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:12,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:12,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:35:12,591 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:12,854 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 0 proven. 210 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2023-11-21 18:35:13,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:35:13,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 301 states and 575 transitions. [2023-11-21 18:35:13,705 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 575 transitions. [2023-11-21 18:35:13,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2023-11-21 18:35:13,706 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:35:13,706 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:35:13,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:35:13,761 INFO L262 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:35:13,764 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:35:14,345 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 266 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.