./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.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_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/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_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/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_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/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 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:53:21,999 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:53:22,121 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:53:22,130 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:53:22,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:53:22,173 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:53:22,174 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:53:22,174 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:53:22,175 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:53:22,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:53:22,181 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:53:22,182 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:53:22,182 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:53:22,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:53:22,185 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:53:22,185 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:53:22,186 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:53:22,186 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:53:22,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:53:22,187 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:53:22,187 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:53:22,188 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:53:22,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:53:22,189 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:53:22,190 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:53:22,190 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:53:22,191 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:53:22,191 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:53:22,191 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:22,192 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:53:22,193 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:53:22,194 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:53:22,194 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:53:22,194 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:53:22,194 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:53:22,195 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_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2023-11-21 18:53:22,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:53:22,526 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:53:22,529 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:53:22,530 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:53:22,531 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:53:22,533 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-11-21 18:53:25,727 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:53:26,036 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:53:26,036 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-11-21 18:53:26,046 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/data/6221950bc/e955244ac82c429bac7e0e7a76c2635e/FLAG777dda83e [2023-11-21 18:53:26,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/data/6221950bc/e955244ac82c429bac7e0e7a76c2635e [2023-11-21 18:53:26,077 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:53:26,079 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:53:26,085 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:26,085 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:53:26,092 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:53:26,093 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,095 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@32e3b050 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26, skipping insertion in model container [2023-11-21 18:53:26,095 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,129 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:53:26,404 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:26,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:53:26,454 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:53:26,474 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:53:26,475 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26 WrapperNode [2023-11-21 18:53:26,475 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:53:26,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:26,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:53:26,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:53:26,486 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,497 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,525 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116 [2023-11-21 18:53:26,526 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:53:26,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:53:26,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:53:26,527 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:53:26,538 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,541 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,541 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,550 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,560 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,569 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,571 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,573 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:53:26,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:53:26,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:53:26,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:53:26,578 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:53:26" (1/1) ... [2023-11-21 18:53:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:53:26,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:53:26,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:53:26,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2ea4fb29-c9cd-4117-8b5d-7693b85ff2e0/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:53:26,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:53:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:53:26,667 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:53:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:53:26,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:53:26,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:53:26,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:53:26,672 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:53:26,748 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:53:26,751 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:53:27,190 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:53:27,238 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:53:27,238 INFO L308 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-21 18:53:27,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:27 BoogieIcfgContainer [2023-11-21 18:53:27,241 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:53:27,242 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:53:27,242 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:53:27,252 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:53:27,252 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:53:27" (1/1) ... [2023-11-21 18:53:27,262 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:53:27,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 132 states and 136 transitions. [2023-11-21 18:53:27,330 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 136 transitions. [2023-11-21 18:53:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-21 18:53:27,335 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:27,336 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:27,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 131 states and 135 transitions. [2023-11-21 18:53:27,633 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-21 18:53:27,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:53:27,633 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:27,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,707 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:27,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:27,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 130 states and 134 transitions. [2023-11-21 18:53:27,774 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-21 18:53:27,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:53:27,774 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:27,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:27,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:28,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 129 states and 133 transitions. [2023-11-21 18:53:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 133 transitions. [2023-11-21 18:53:28,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:53:28,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:28,275 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:28,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 128 states and 132 transitions. [2023-11-21 18:53:28,722 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 132 transitions. [2023-11-21 18:53:28,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:53:28,723 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,723 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:28,790 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:28,794 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:28,857 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:28,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 130 states and 134 transitions. [2023-11-21 18:53:28,919 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 134 transitions. [2023-11-21 18:53:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:53:28,920 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,920 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:28,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:28,945 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:28,947 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:28,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 131 states and 135 transitions. [2023-11-21 18:53:28,976 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 135 transitions. [2023-11-21 18:53:28,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:53:28,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:28,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,005 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,037 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:29,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 135 states and 141 transitions. [2023-11-21 18:53:29,202 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 141 transitions. [2023-11-21 18:53:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-21 18:53:29,203 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,228 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,240 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 136 states and 142 transitions. [2023-11-21 18:53:29,262 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 142 transitions. [2023-11-21 18:53:29,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-21 18:53:29,263 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,290 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,292 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,352 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:29,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 139 states and 147 transitions. [2023-11-21 18:53:29,538 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 147 transitions. [2023-11-21 18:53:29,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:53:29,539 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,564 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,566 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,611 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:29,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:29,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 143 states and 153 transitions. [2023-11-21 18:53:29,883 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 153 transitions. [2023-11-21 18:53:29,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:53:29,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:29,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:29,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:29,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:29,928 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:29,984 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:30,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:30,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 146 states and 159 transitions. [2023-11-21 18:53:30,328 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2023-11-21 18:53:30,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:53:30,330 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:30,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:30,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:30,376 INFO L262 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:53:30,379 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:30,447 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:30,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:30,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 150 states and 166 transitions. [2023-11-21 18:53:30,969 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 166 transitions. [2023-11-21 18:53:30,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:53:30,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:30,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:31,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:31,003 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:53:31,006 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:31,093 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:31,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:31,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 154 states and 172 transitions. [2023-11-21 18:53:31,524 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 172 transitions. [2023-11-21 18:53:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:53:31,525 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:31,525 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:31,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:31,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-21 18:53:31,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:31,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:32,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:32,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 158 states and 178 transitions. [2023-11-21 18:53:32,194 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 178 transitions. [2023-11-21 18:53:32,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:53:32,195 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:32,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:32,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:32,226 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:53:32,228 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:32,554 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:34,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:34,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 170 states and 193 transitions. [2023-11-21 18:53:34,398 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 193 transitions. [2023-11-21 18:53:34,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:53:34,399 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:34,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:34,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:34,421 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-21 18:53:34,423 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:34,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:36,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:36,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 183 states and 209 transitions. [2023-11-21 18:53:36,745 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 209 transitions. [2023-11-21 18:53:36,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-21 18:53:36,745 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:36,746 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:36,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:36,780 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:36,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:36,883 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:38,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:38,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 276 states to 197 states and 226 transitions. [2023-11-21 18:53:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 197 states and 226 transitions. [2023-11-21 18:53:38,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-21 18:53:38,474 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:38,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:38,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:38,511 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:38,615 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:40,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:40,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 212 states and 244 transitions. [2023-11-21 18:53:40,247 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 244 transitions. [2023-11-21 18:53:40,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:53:40,248 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:40,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:40,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:40,270 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:53:40,272 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:40,862 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:43,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 317 states to 228 states and 263 transitions. [2023-11-21 18:53:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 263 transitions. [2023-11-21 18:53:43,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:53:43,712 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:43,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:43,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:43,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-21 18:53:43,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:44,357 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:46,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:46,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 245 states and 283 transitions. [2023-11-21 18:53:46,650 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 283 transitions. [2023-11-21 18:53:46,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:53:46,651 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:46,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:46,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:46,672 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:46,673 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:46,986 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:49,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:49,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 263 states and 306 transitions. [2023-11-21 18:53:49,620 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 306 transitions. [2023-11-21 18:53:49,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:53:49,620 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:49,621 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:49,649 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:49,650 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:49,981 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:53,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:53,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 282 states and 331 transitions. [2023-11-21 18:53:53,344 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 331 transitions. [2023-11-21 18:53:53,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2023-11-21 18:53:53,345 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:53,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:53,369 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:53,371 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:53,403 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:55,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:55,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 299 states and 354 transitions. [2023-11-21 18:53:55,394 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 354 transitions. [2023-11-21 18:53:55,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:53:55,395 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:55,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:55,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:55,467 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:55,468 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:55,509 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:57,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:57,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 306 states and 368 transitions. [2023-11-21 18:53:57,266 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 368 transitions. [2023-11-21 18:53:57,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:53:57,266 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:57,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:57,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:57,293 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:57,294 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:57,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 313 states and 383 transitions. [2023-11-21 18:53:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 383 transitions. [2023-11-21 18:53:59,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:53:59,622 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:59,623 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:59,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:59,659 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:53:59,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:59,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:53:59,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:53:59,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 314 states and 384 transitions. [2023-11-21 18:53:59,730 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 384 transitions. [2023-11-21 18:53:59,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:53:59,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:53:59,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:53:59,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:53:59,756 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:53:59,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:53:59,791 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:01,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:01,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 321 states and 398 transitions. [2023-11-21 18:54:01,564 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 398 transitions. [2023-11-21 18:54:01,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:54:01,564 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:01,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:01,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:01,589 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:54:01,590 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:01,812 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:04,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:04,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 328 states and 413 transitions. [2023-11-21 18:54:04,065 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 413 transitions. [2023-11-21 18:54:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:54:04,065 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:04,065 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:04,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:04,102 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:04,103 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:04,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:09,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:09,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 487 states to 336 states and 431 transitions. [2023-11-21 18:54:09,879 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 431 transitions. [2023-11-21 18:54:09,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:54:09,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:09,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:09,904 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:54:09,905 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:10,204 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:14,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:14,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 345 states and 451 transitions. [2023-11-21 18:54:14,446 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 451 transitions. [2023-11-21 18:54:14,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:54:14,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:14,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:14,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:54:14,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:14,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:54:15,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:54:15,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 348 states and 456 transitions. [2023-11-21 18:54:15,190 INFO L276 IsEmpty]: Start isEmpty. Operand 348 states and 456 transitions. [2023-11-21 18:54:15,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:54:15,191 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:54:15,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:54:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:54:15,233 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:54:15,235 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:54:15,515 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.