./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/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_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/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_af2ba865-4209-441c-908b-07893267bad2/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 376367d14f0ef5deff3321a7267050cf9f2383eb99d0a19dad6a556c0772ff28 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:28:38,705 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:28:38,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:28:38,837 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:28:38,838 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:28:38,890 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:28:38,892 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:28:38,893 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:28:38,894 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:28:38,899 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:28:38,900 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:28:38,901 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:28:38,901 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:28:38,903 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:28:38,905 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:28:38,905 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:28:38,906 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:28:38,906 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:28:38,907 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:28:38,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:28:38,908 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:28:38,909 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:28:38,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:28:38,910 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:28:38,911 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:28:38,911 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:28:38,912 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:28:38,912 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:28:38,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:38,913 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:28:38,915 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:28:38,915 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:28:38,916 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:28:38,916 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:28:38,916 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:28:38,917 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_af2ba865-4209-441c-908b-07893267bad2/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 376367d14f0ef5deff3321a7267050cf9f2383eb99d0a19dad6a556c0772ff28 [2023-11-21 18:28:39,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:28:39,314 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:28:39,316 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:28:39,318 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:28:39,319 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:28:39,321 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c [2023-11-21 18:28:42,335 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:28:42,573 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:28:42,574 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/sv-benchmarks/c/nla-digbench-scaling/dijkstra-u_unwindbound100.c [2023-11-21 18:28:42,583 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/data/97acf596a/c182255b5bc34b1bbc06219fb1d76509/FLAG040daad2b [2023-11-21 18:28:42,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/data/97acf596a/c182255b5bc34b1bbc06219fb1d76509 [2023-11-21 18:28:42,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:28:42,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:28:42,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:42,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:28:42,612 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:28:42,613 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:42,614 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fec9366 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42, skipping insertion in model container [2023-11-21 18:28:42,614 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:42,639 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:28:42,865 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:42,876 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:28:42,909 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:28:42,932 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:28:42,932 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42 WrapperNode [2023-11-21 18:28:42,933 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:28:42,934 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:42,934 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:28:42,934 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:28:42,943 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:42,971 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:42,994 INFO L138 Inliner]: procedures = 14, calls = 18, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 74 [2023-11-21 18:28:42,994 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:28:42,995 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:28:42,995 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:28:42,995 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:28:43,005 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,006 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,008 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,008 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,020 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,025 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,026 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,028 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,030 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:28:43,031 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:28:43,031 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:28:43,032 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:28:43,033 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:28:42" (1/1) ... [2023-11-21 18:28:43,039 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:28:43,054 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:28:43,066 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:28:43,090 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af2ba865-4209-441c-908b-07893267bad2/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:28:43,115 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:28:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:28:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:28:43,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:28:43,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:28:43,117 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:28:43,185 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:28:43,189 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:28:43,622 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:28:43,718 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:28:43,724 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:28:43,726 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:43 BoogieIcfgContainer [2023-11-21 18:28:43,726 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:28:43,727 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:28:43,728 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:28:43,738 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:28:43,739 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:28:43" (1/1) ... [2023-11-21 18:28:43,753 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:28:43,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:43,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 28 states and 41 transitions. [2023-11-21 18:28:43,813 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 41 transitions. [2023-11-21 18:28:43,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-21 18:28:43,815 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:43,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,113 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 18:28:44,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 30 states and 43 transitions. [2023-11-21 18:28:44,173 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 43 transitions. [2023-11-21 18:28:44,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-21 18:28:44,173 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,270 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 18:28:44,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 31 states and 44 transitions. [2023-11-21 18:28:44,298 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 44 transitions. [2023-11-21 18:28:44,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-21 18:28:44,299 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,390 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 18:28:44,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 32 states and 44 transitions. [2023-11-21 18:28:44,418 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 44 transitions. [2023-11-21 18:28:44,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:28:44,418 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,576 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 18:28:44,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 35 states and 51 transitions. [2023-11-21 18:28:44,721 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 51 transitions. [2023-11-21 18:28:44,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-21 18:28:44,721 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,722 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:44,803 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 18:28:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:44,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 37 states and 53 transitions. [2023-11-21 18:28:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 53 transitions. [2023-11-21 18:28:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:44,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:44,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:44,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,051 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 18:28:45,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 41 states and 61 transitions. [2023-11-21 18:28:45,358 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 61 transitions. [2023-11-21 18:28:45,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:28:45,359 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,485 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 18:28:45,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 44 states and 64 transitions. [2023-11-21 18:28:45,628 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 64 transitions. [2023-11-21 18:28:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:28:45,632 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,687 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 18:28:45,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 45 states and 67 transitions. [2023-11-21 18:28:45,722 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 67 transitions. [2023-11-21 18:28:45,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:28:45,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:45,817 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 18:28:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:45,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 47 states and 68 transitions. [2023-11-21 18:28:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2023-11-21 18:28:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:28:45,948 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:45,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,055 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 18:28:46,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 51 states and 76 transitions. [2023-11-21 18:28:46,354 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 76 transitions. [2023-11-21 18:28:46,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:28:46,356 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,464 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 18:28:46,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 54 states and 79 transitions. [2023-11-21 18:28:46,562 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-21 18:28:46,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:28:46,569 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,642 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 18:28:46,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:46,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 55 states and 83 transitions. [2023-11-21 18:28:46,680 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 83 transitions. [2023-11-21 18:28:46,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:28:46,681 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:46,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:46,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:46,941 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 18:28:47,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 55 states and 80 transitions. [2023-11-21 18:28:47,068 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 80 transitions. [2023-11-21 18:28:47,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:47,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,070 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:47,214 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 18:28:47,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 59 states and 88 transitions. [2023-11-21 18:28:47,586 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 88 transitions. [2023-11-21 18:28:47,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:28:47,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:47,681 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 18:28:47,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-11-21 18:28:47,802 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-11-21 18:28:47,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:28:47,803 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,803 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:47,898 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 18:28:47,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:47,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2023-11-21 18:28:47,957 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2023-11-21 18:28:47,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:28:47,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:47,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:47,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,249 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 18:28:48,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:48,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 63 states and 92 transitions. [2023-11-21 18:28:48,419 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 92 transitions. [2023-11-21 18:28:48,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:28:48,422 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:48,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:48,584 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 18:28:49,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2023-11-21 18:28:49,060 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2023-11-21 18:28:49,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:28:49,061 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,201 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 18:28:49,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:49,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 70 states and 103 transitions. [2023-11-21 18:28:49,354 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 103 transitions. [2023-11-21 18:28:49,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:28:49,355 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:49,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:49,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:49,436 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:28:49,442 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:49,869 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:28:50,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:50,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 83 states and 132 transitions. [2023-11-21 18:28:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 132 transitions. [2023-11-21 18:28:50,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:28:50,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:50,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:50,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:50,598 INFO L262 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:28:50,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:50,684 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:28:50,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:50,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 93 states and 154 transitions. [2023-11-21 18:28:50,983 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 154 transitions. [2023-11-21 18:28:50,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:28:50,986 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:50,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:51,088 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 18:28:51,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:51,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 94 states and 160 transitions. [2023-11-21 18:28:51,159 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 160 transitions. [2023-11-21 18:28:51,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:28:51,164 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:51,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:51,557 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 18:28:51,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:51,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 94 states and 155 transitions. [2023-11-21 18:28:51,762 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 155 transitions. [2023-11-21 18:28:51,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:51,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:51,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:51,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:51,972 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 18:28:52,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:52,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 163 transitions. [2023-11-21 18:28:52,528 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 163 transitions. [2023-11-21 18:28:52,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:28:52,529 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:52,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:52,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:52,674 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 18:28:52,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:52,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 101 states and 166 transitions. [2023-11-21 18:28:52,853 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 166 transitions. [2023-11-21 18:28:52,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:28:52,854 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:52,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:52,903 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-21 18:28:52,907 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:53,000 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:28:53,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 188 states to 111 states and 188 transitions. [2023-11-21 18:28:53,206 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 188 transitions. [2023-11-21 18:28:53,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:28:53,208 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,305 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 18:28:53,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:53,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 112 states and 195 transitions. [2023-11-21 18:28:53,370 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 195 transitions. [2023-11-21 18:28:53,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:28:53,371 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:53,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:53,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:53,852 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 18:28:54,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:54,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 112 states and 189 transitions. [2023-11-21 18:28:54,082 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 189 transitions. [2023-11-21 18:28:54,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:28:54,083 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:54,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:54,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:54,324 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 18:28:54,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:54,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 197 states to 116 states and 197 transitions. [2023-11-21 18:28:54,968 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 197 transitions. [2023-11-21 18:28:54,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-21 18:28:54,969 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:54,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:54,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:55,143 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 18:28:55,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:55,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 119 states and 200 transitions. [2023-11-21 18:28:55,333 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 200 transitions. [2023-11-21 18:28:55,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:28:55,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:55,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:55,379 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-21 18:28:55,382 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:55,489 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:28:55,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:55,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 129 states and 222 transitions. [2023-11-21 18:28:55,694 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 222 transitions. [2023-11-21 18:28:55,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:28:55,700 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:55,700 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:55,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:55,849 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 18:28:55,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:55,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 130 states and 230 transitions. [2023-11-21 18:28:55,921 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 230 transitions. [2023-11-21 18:28:55,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:28:55,923 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:55,927 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:55,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:56,540 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 18:28:56,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:56,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 130 states and 223 transitions. [2023-11-21 18:28:56,803 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 223 transitions. [2023-11-21 18:28:56,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:28:56,804 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:56,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:57,105 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 18:28:57,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:57,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 134 states and 231 transitions. [2023-11-21 18:28:57,772 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 231 transitions. [2023-11-21 18:28:57,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:28:57,773 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:57,773 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:57,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,001 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 18:28:58,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:28:58,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 137 states and 234 transitions. [2023-11-21 18:28:58,224 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2023-11-21 18:28:58,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:28:58,226 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:28:58,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:28:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:28:58,279 INFO L262 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-21 18:28:58,284 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:28:59,187 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 9 proven. 24 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2023-11-21 18:29:00,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:00,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 150 states and 263 transitions. [2023-11-21 18:29:00,781 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 263 transitions. [2023-11-21 18:29:00,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:29:00,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:00,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:00,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:00,949 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 18:29:01,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:01,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 151 states and 272 transitions. [2023-11-21 18:29:01,023 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 272 transitions. [2023-11-21 18:29:01,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:29:01,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:01,025 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:01,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:01,777 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 18:29:02,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:02,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 151 states and 264 transitions. [2023-11-21 18:29:02,080 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 264 transitions. [2023-11-21 18:29:02,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:29:02,081 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:02,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:02,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:02,408 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 18:29:03,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 152 states and 267 transitions. [2023-11-21 18:29:03,066 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 267 transitions. [2023-11-21 18:29:03,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:29:03,067 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,283 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 18:29:03,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 155 states and 270 transitions. [2023-11-21 18:29:03,529 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 270 transitions. [2023-11-21 18:29:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2023-11-21 18:29:03,530 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:03,750 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 18:29:03,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:03,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 156 states and 280 transitions. [2023-11-21 18:29:03,839 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 280 transitions. [2023-11-21 18:29:03,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2023-11-21 18:29:03,840 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:03,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:03,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:04,818 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 18:29:05,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:05,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 156 states and 271 transitions. [2023-11-21 18:29:05,212 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 271 transitions. [2023-11-21 18:29:05,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:29:05,214 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:05,214 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:05,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:05,625 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 18:29:06,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:06,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 157 states and 274 transitions. [2023-11-21 18:29:06,394 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 274 transitions. [2023-11-21 18:29:06,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-21 18:29:06,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:06,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:06,712 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 18:29:06,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:06,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 160 states and 277 transitions. [2023-11-21 18:29:06,984 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 277 transitions. [2023-11-21 18:29:06,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-21 18:29:06,985 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:06,986 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:07,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:07,150 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 18:29:07,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:07,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 161 states and 288 transitions. [2023-11-21 18:29:07,242 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 288 transitions. [2023-11-21 18:29:07,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2023-11-21 18:29:07,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:07,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:07,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:08,382 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 18:29:08,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:08,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 161 states and 278 transitions. [2023-11-21 18:29:08,732 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 278 transitions. [2023-11-21 18:29:08,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:29:08,736 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:08,736 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:09,124 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 18:29:09,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:09,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 162 states and 281 transitions. [2023-11-21 18:29:09,827 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 281 transitions. [2023-11-21 18:29:09,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2023-11-21 18:29:09,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:09,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:10,090 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 18:29:10,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:10,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 165 states and 284 transitions. [2023-11-21 18:29:10,383 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 284 transitions. [2023-11-21 18:29:10,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2023-11-21 18:29:10,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:10,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:10,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:10,586 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 18:29:10,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:10,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 166 states and 296 transitions. [2023-11-21 18:29:10,675 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 296 transitions. [2023-11-21 18:29:10,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2023-11-21 18:29:10,678 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:10,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:10,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:29:10,771 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:29:11,072 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 9 proven. 110 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2023-11-21 18:29:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 324 states to 179 states and 324 transitions. [2023-11-21 18:29:11,831 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 324 transitions. [2023-11-21 18:29:11,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2023-11-21 18:29:11,832 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:11,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:11,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:13,185 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 18:29:13,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:13,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 179 states and 313 transitions. [2023-11-21 18:29:13,585 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 313 transitions. [2023-11-21 18:29:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:29:13,588 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:13,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:14,064 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 18:29:14,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:14,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 316 states to 180 states and 316 transitions. [2023-11-21 18:29:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 316 transitions. [2023-11-21 18:29:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2023-11-21 18:29:14,850 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:14,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:14,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:15,152 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 18:29:15,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:15,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 183 states and 319 transitions. [2023-11-21 18:29:15,517 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 319 transitions. [2023-11-21 18:29:15,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2023-11-21 18:29:15,518 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:15,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:15,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:15,715 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 18:29:15,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:15,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 184 states and 332 transitions. [2023-11-21 18:29:15,826 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 332 transitions. [2023-11-21 18:29:15,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-21 18:29:15,828 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:15,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:15,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:17,390 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 286 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:17,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:17,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 184 states and 320 transitions. [2023-11-21 18:29:17,826 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 320 transitions. [2023-11-21 18:29:17,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:29:17,827 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:17,827 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:17,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:18,323 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 0 proven. 330 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:19,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:19,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 185 states and 323 transitions. [2023-11-21 18:29:19,248 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 323 transitions. [2023-11-21 18:29:19,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-21 18:29:19,250 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:19,250 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:19,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:19,584 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 0 proven. 366 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:19,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:19,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 188 states and 326 transitions. [2023-11-21 18:29:19,888 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 326 transitions. [2023-11-21 18:29:19,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-21 18:29:19,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:19,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:19,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:20,128 INFO L134 CoverageAnalysis]: Checked inductivity of 378 backedges. 0 proven. 378 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:20,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:20,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 189 states and 340 transitions. [2023-11-21 18:29:20,234 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 340 transitions. [2023-11-21 18:29:20,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2023-11-21 18:29:20,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:20,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:20,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:21,996 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 342 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:22,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:22,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 189 states and 327 transitions. [2023-11-21 18:29:22,456 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 327 transitions. [2023-11-21 18:29:22,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:29:22,457 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:22,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:22,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:22,978 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 0 proven. 390 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:23,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:23,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 190 states and 330 transitions. [2023-11-21 18:29:23,855 INFO L276 IsEmpty]: Start isEmpty. Operand 190 states and 330 transitions. [2023-11-21 18:29:23,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2023-11-21 18:29:23,857 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:23,857 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:23,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:24,224 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 0 proven. 429 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:24,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:24,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 193 states and 333 transitions. [2023-11-21 18:29:24,576 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 333 transitions. [2023-11-21 18:29:24,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2023-11-21 18:29:24,577 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:24,578 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:24,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:29:24,822 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 0 proven. 442 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-21 18:29:24,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:29:24,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 348 states to 194 states and 348 transitions. [2023-11-21 18:29:24,939 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 348 transitions. [2023-11-21 18:29:24,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2023-11-21 18:29:24,940 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:29:24,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:29:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat