./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/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_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/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_67b304b0-f45f-47d1-8eb3-34cef130abb6/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 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:30:47,238 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:30:47,409 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:30:47,418 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:30:47,419 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:30:47,474 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:30:47,475 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:30:47,476 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:30:47,478 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:30:47,484 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:30:47,485 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:30:47,486 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:30:47,486 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:30:47,490 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:30:47,490 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:30:47,491 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:30:47,492 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:30:47,492 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:30:47,493 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:30:47,493 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:30:47,494 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:30:47,495 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:30:47,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:30:47,498 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:30:47,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:30:47,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:30:47,500 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:30:47,501 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:30:47,501 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:47,502 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:30:47,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:30:47,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:30:47,505 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:30:47,505 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:30:47,505 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:30:47,506 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_67b304b0-f45f-47d1-8eb3-34cef130abb6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b0ae54926d75c04421ee4ea5930c958fb8ba0ccacc4d56435da8ae7b298172d [2023-11-21 18:30:47,927 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:30:47,961 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:30:47,964 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:30:47,966 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:30:47,967 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:30:47,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2023-11-21 18:30:51,538 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:30:51,788 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:30:51,789 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/sv-benchmarks/c/nla-digbench-scaling/divbin2_unwindbound50.i [2023-11-21 18:30:51,798 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/data/a61f326b4/e4426911eebd4faf8495b201c9c275a9/FLAGa4d577ae6 [2023-11-21 18:30:51,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/data/a61f326b4/e4426911eebd4faf8495b201c9c275a9 [2023-11-21 18:30:51,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:30:51,819 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:30:51,821 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:51,821 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:30:51,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:30:51,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6287192f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:51, skipping insertion in model container [2023-11-21 18:30:51,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:30:51" (1/1) ... [2023-11-21 18:30:51,855 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:30:52,032 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:52,043 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:30:52,061 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:30:52,078 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:30:52,078 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52 WrapperNode [2023-11-21 18:30:52,079 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:30:52,080 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:52,080 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:30:52,080 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:30:52,089 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,097 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,118 INFO L138 Inliner]: procedures = 16, calls = 9, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2023-11-21 18:30:52,119 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:30:52,120 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:30:52,120 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:30:52,120 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:30:52,130 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,131 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,132 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,133 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,136 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,141 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,142 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,143 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,145 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:30:52,146 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:30:52,147 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:30:52,147 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:30:52,148 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:30:52,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:30:52,186 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:30:52,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_67b304b0-f45f-47d1-8eb3-34cef130abb6/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:30:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:30:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:30:52,225 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:30:52,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:30:52,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:30:52,226 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:30:52,319 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:30:52,322 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:30:52,507 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:30:52,567 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:30:52,567 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:30:52,569 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:52 BoogieIcfgContainer [2023-11-21 18:30:52,570 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:30:52,571 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:30:52,571 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:30:52,580 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:30:52,580 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:30:52" (1/1) ... [2023-11-21 18:30:52,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:30:52,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 21 states and 27 transitions. [2023-11-21 18:30:52,646 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 27 transitions. [2023-11-21 18:30:52,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:30:52,648 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:52,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:52,959 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:53,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 23 states and 29 transitions. [2023-11-21 18:30:53,016 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 29 transitions. [2023-11-21 18:30:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:30:53,017 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,017 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:53,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 24 states and 30 transitions. [2023-11-21 18:30:53,152 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 30 transitions. [2023-11-21 18:30:53,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:30:53,159 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:53,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 25 states and 30 transitions. [2023-11-21 18:30:53,305 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 30 transitions. [2023-11-21 18:30:53,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:30:53,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:53,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 28 states and 37 transitions. [2023-11-21 18:30:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 37 transitions. [2023-11-21 18:30:53,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:30:53,672 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:53,772 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:53,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:53,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 30 states and 39 transitions. [2023-11-21 18:30:53,887 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 39 transitions. [2023-11-21 18:30:53,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:30:53,888 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:53,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:54,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 34 states and 47 transitions. [2023-11-21 18:30:54,389 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 47 transitions. [2023-11-21 18:30:54,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:30:54,390 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,498 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:54,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 37 states and 50 transitions. [2023-11-21 18:30:54,673 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 50 transitions. [2023-11-21 18:30:54,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:30:54,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,789 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:54,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:54,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 38 states and 53 transitions. [2023-11-21 18:30:54,840 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 53 transitions. [2023-11-21 18:30:54,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:30:54,842 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:54,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:54,988 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:55,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:55,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 40 states and 54 transitions. [2023-11-21 18:30:55,160 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 54 transitions. [2023-11-21 18:30:55,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:55,161 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:55,162 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:55,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:55,311 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:55,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:55,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 44 states and 62 transitions. [2023-11-21 18:30:55,686 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 62 transitions. [2023-11-21 18:30:55,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:30:55,689 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:55,689 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:55,830 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:55,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:55,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2023-11-21 18:30:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2023-11-21 18:30:55,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:30:55,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:55,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:55,987 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:55,993 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:56,370 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 18:30:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-21 18:30:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-21 18:30:56,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:56,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:56,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:56,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:56,942 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:30:56,944 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:57,247 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:57,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:57,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 63 states and 95 transitions. [2023-11-21 18:30:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 95 transitions. [2023-11-21 18:30:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:30:57,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:57,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:57,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:57,964 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 64 states and 99 transitions. [2023-11-21 18:30:58,023 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 99 transitions. [2023-11-21 18:30:58,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:30:58,029 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:58,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,267 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 7 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:58,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:58,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2023-11-21 18:30:58,512 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2023-11-21 18:30:58,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:58,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:58,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:58,745 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:59,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 65 states and 99 transitions. [2023-11-21 18:30:59,222 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 99 transitions. [2023-11-21 18:30:59,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:30:59,223 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,385 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:59,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 68 states and 102 transitions. [2023-11-21 18:30:59,565 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 102 transitions. [2023-11-21 18:30:59,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:30:59,567 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,681 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:30:59,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:30:59,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2023-11-21 18:30:59,736 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2023-11-21 18:30:59,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:30:59,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:30:59,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:30:59,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:30:59,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:30:59,776 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:30:59,964 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:00,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:00,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 77 states and 121 transitions. [2023-11-21 18:31:00,465 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 121 transitions. [2023-11-21 18:31:00,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:31:00,470 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:00,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:00,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:00,838 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 18 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:01,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:01,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 77 states and 117 transitions. [2023-11-21 18:31:01,099 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 117 transitions. [2023-11-21 18:31:01,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:31:01,100 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:01,100 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:01,370 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:01,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:01,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 78 states and 120 transitions. [2023-11-21 18:31:01,889 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 120 transitions. [2023-11-21 18:31:01,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:31:01,890 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:01,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:01,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,066 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:02,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:02,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 81 states and 123 transitions. [2023-11-21 18:31:02,279 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 123 transitions. [2023-11-21 18:31:02,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:31:02,280 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:02,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:02,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:02,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:02,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 82 states and 129 transitions. [2023-11-21 18:31:02,434 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 129 transitions. [2023-11-21 18:31:02,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:31:02,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:02,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:02,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:02,911 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 34 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:03,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:03,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 82 states and 124 transitions. [2023-11-21 18:31:03,202 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 124 transitions. [2023-11-21 18:31:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:03,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:03,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:04,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:04,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 83 states and 127 transitions. [2023-11-21 18:31:04,044 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 127 transitions. [2023-11-21 18:31:04,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:31:04,045 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:04,045 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:04,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:04,220 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 65 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:04,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:04,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 86 states and 130 transitions. [2023-11-21 18:31:04,440 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 130 transitions. [2023-11-21 18:31:04,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:31:04,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:04,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:04,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:04,484 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:31:04,487 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:05,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 94 states and 144 transitions. [2023-11-21 18:31:05,259 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 144 transitions. [2023-11-21 18:31:05,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:31:05,260 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:05,261 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:05,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:05,392 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:05,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:05,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 95 states and 151 transitions. [2023-11-21 18:31:05,471 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 151 transitions. [2023-11-21 18:31:05,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:31:05,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:05,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:06,100 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 55 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:06,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:06,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 95 states and 145 transitions. [2023-11-21 18:31:06,374 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 145 transitions. [2023-11-21 18:31:06,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:31:06,375 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:06,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:06,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:06,681 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:07,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:07,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 96 states and 148 transitions. [2023-11-21 18:31:07,349 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 148 transitions. [2023-11-21 18:31:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:31:07,350 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:07,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:07,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:07,571 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 0 proven. 93 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:07,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:07,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 99 states and 151 transitions. [2023-11-21 18:31:07,839 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 151 transitions. [2023-11-21 18:31:07,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:31:07,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:07,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:07,921 INFO L262 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:31:07,927 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:08,201 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:08,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:08,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 107 states and 165 transitions. [2023-11-21 18:31:08,780 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 165 transitions. [2023-11-21 18:31:08,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:31:08,781 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:08,782 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:08,913 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:08,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:08,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 108 states and 173 transitions. [2023-11-21 18:31:08,996 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 173 transitions. [2023-11-21 18:31:08,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:31:08,997 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:08,997 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:09,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:09,787 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 81 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:10,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:10,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 108 states and 166 transitions. [2023-11-21 18:31:10,142 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 166 transitions. [2023-11-21 18:31:10,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:10,144 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:10,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:10,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:10,580 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:11,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:11,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 109 states and 169 transitions. [2023-11-21 18:31:11,339 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 169 transitions. [2023-11-21 18:31:11,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:31:11,340 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:11,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:11,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:11,575 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:11,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 112 states and 172 transitions. [2023-11-21 18:31:11,854 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 172 transitions. [2023-11-21 18:31:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:31:11,856 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:11,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:11,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:12,025 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:12,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:12,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 113 states and 181 transitions. [2023-11-21 18:31:12,113 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 181 transitions. [2023-11-21 18:31:12,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:31:12,115 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:12,116 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:12,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 112 proven. 28 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:13,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:13,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 113 states and 173 transitions. [2023-11-21 18:31:13,515 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 173 transitions. [2023-11-21 18:31:13,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:31:13,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:13,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:13,578 INFO L262 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-21 18:31:13,581 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:13,713 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 0 proven. 95 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:14,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:14,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 118 states and 181 transitions. [2023-11-21 18:31:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 181 transitions. [2023-11-21 18:31:14,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:31:14,222 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:14,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:14,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:14,632 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 140 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:15,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:15,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 119 states and 184 transitions. [2023-11-21 18:31:15,357 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 184 transitions. [2023-11-21 18:31:15,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:31:15,358 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:15,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:15,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:15,656 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:15,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:15,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 122 states and 187 transitions. [2023-11-21 18:31:15,957 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 187 transitions. [2023-11-21 18:31:15,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-21 18:31:15,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:15,958 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:16,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:16,024 INFO L262 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:31:16,037 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:16,174 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:16,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:16,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 125 states and 192 transitions. [2023-11-21 18:31:16,823 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 192 transitions. [2023-11-21 18:31:16,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:31:16,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:16,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:17,009 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 0 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:17,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:17,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 126 states and 202 transitions. [2023-11-21 18:31:17,126 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 202 transitions. [2023-11-21 18:31:17,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:31:17,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:17,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:17,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:18,295 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 148 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:18,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:18,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 193 states to 126 states and 193 transitions. [2023-11-21 18:31:18,696 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 193 transitions. [2023-11-21 18:31:18,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:31:18,697 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:18,698 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:18,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:18,760 INFO L262 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 17 conjunts are in the unsatisfiable core [2023-11-21 18:31:18,769 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:19,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:19,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 131 states and 201 transitions. [2023-11-21 18:31:19,151 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 201 transitions. [2023-11-21 18:31:19,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:31:19,152 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:19,152 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:19,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:19,577 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 180 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:20,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:20,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 204 states to 132 states and 204 transitions. [2023-11-21 18:31:20,305 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 204 transitions. [2023-11-21 18:31:20,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:31:20,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:20,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:20,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:20,714 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 0 proven. 207 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:21,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 135 states and 207 transitions. [2023-11-21 18:31:21,022 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 207 transitions. [2023-11-21 18:31:21,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2023-11-21 18:31:21,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,023 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:21,074 INFO L262 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 19 conjunts are in the unsatisfiable core [2023-11-21 18:31:21,077 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:21,213 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:21,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:21,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 212 states to 138 states and 212 transitions. [2023-11-21 18:31:21,809 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 212 transitions. [2023-11-21 18:31:21,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:31:21,810 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:21,810 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:22,010 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 0 proven. 216 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:22,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:22,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 139 states and 223 transitions. [2023-11-21 18:31:22,109 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 223 transitions. [2023-11-21 18:31:22,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:31:22,110 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:22,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:22,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,425 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 189 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:23,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:23,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 139 states and 213 transitions. [2023-11-21 18:31:23,723 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 213 transitions. [2023-11-21 18:31:23,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:31:23,724 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:23,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:23,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:23,819 INFO L262 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 18 conjunts are in the unsatisfiable core [2023-11-21 18:31:23,821 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:24,831 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 6 proven. 104 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:26,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:26,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 147 states and 228 transitions. [2023-11-21 18:31:26,189 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 228 transitions. [2023-11-21 18:31:26,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:31:26,190 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:26,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:26,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:26,649 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 0 proven. 225 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:27,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 148 states and 231 transitions. [2023-11-21 18:31:27,377 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 231 transitions. [2023-11-21 18:31:27,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:31:27,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:27,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:27,638 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:27,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:27,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 151 states and 234 transitions. [2023-11-21 18:31:27,988 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 234 transitions. [2023-11-21 18:31:27,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:31:27,989 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:27,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:28,256 INFO L134 CoverageAnalysis]: Checked inductivity of 265 backedges. 0 proven. 265 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:28,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 152 states and 246 transitions. [2023-11-21 18:31:28,342 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 246 transitions. [2023-11-21 18:31:28,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:31:28,343 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:28,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:28,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:29,942 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 235 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:30,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:30,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 152 states and 235 transitions. [2023-11-21 18:31:30,340 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 235 transitions. [2023-11-21 18:31:30,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:31:30,341 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:30,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:30,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:30,812 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 0 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:31,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:31,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 153 states and 238 transitions. [2023-11-21 18:31:31,639 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 238 transitions. [2023-11-21 18:31:31,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:31:31,640 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:31,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:32,022 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 0 proven. 308 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:32,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:32,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 156 states and 241 transitions. [2023-11-21 18:31:32,385 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 241 transitions. [2023-11-21 18:31:32,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:31:32,386 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:32,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:32,451 INFO L262 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjunts are in the unsatisfiable core [2023-11-21 18:31:32,454 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:31:32,628 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 0 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:32,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:32,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 161 states and 249 transitions. [2023-11-21 18:31:32,885 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 249 transitions. [2023-11-21 18:31:32,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:31:32,886 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:32,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:31:33,117 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 319 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:31:33,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:31:33,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 162 states and 262 transitions. [2023-11-21 18:31:33,263 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 262 transitions. [2023-11-21 18:31:33,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:31:33,264 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:31:33,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:31:33,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat