./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC --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 bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:08:49,722 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:08:49,826 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:08:49,834 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:08:49,834 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:08:49,874 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:08:49,875 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:08:49,876 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:08:49,877 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:08:49,882 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:08:49,883 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:08:49,884 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:08:49,884 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:08:49,886 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:08:49,886 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:08:49,887 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:08:49,887 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:08:49,887 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:08:49,888 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:08:49,907 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:08:49,907 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:08:49,908 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:08:49,909 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:08:49,909 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:08:49,909 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:08:49,910 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:08:49,910 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:08:49,911 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:08:49,911 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:49,912 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:08:49,912 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:08:49,912 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:08:49,913 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:08:49,913 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:08:49,914 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:08:49,914 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_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bc74c1b33e1074c3a5a06ad6eff1da469d2065c9f566ce661be4cc84c215be29 [2023-11-23 20:08:50,248 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:08:50,272 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:08:50,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:08:50,277 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:08:50,277 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:08:50,279 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2023-11-23 20:08:53,360 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:08:53,574 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:08:53,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_unwindbound1.c [2023-11-23 20:08:53,585 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/data/8b016df83/66a8de6a404548bd9f5e41cbc94a777e/FLAG6016c152a [2023-11-23 20:08:53,617 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/data/8b016df83/66a8de6a404548bd9f5e41cbc94a777e [2023-11-23 20:08:53,623 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:08:53,626 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:08:53,630 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:53,630 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:08:53,637 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:08:53,638 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,639 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69ba6c2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53, skipping insertion in model container [2023-11-23 20:08:53,639 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,664 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:08:53,875 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:53,886 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:08:53,907 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:08:53,923 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:08:53,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53 WrapperNode [2023-11-23 20:08:53,924 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:08:53,925 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:53,925 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:08:53,925 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:08:53,934 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,965 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 78 [2023-11-23 20:08:53,965 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:08:53,966 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:08:53,967 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:08:53,967 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:08:53,977 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,979 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,979 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,984 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,990 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:53,992 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:08:53,993 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:08:53,993 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:08:53,993 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:08:53,994 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:08:53" (1/1) ... [2023-11-23 20:08:54,001 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:08:54,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:08:54,026 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:08:54,029 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_08995a66-2ae5-4fc9-bb92-b1b8fa8f868c/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:08:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:08:54,074 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-23 20:08:54,075 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-23 20:08:54,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:08:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:08:54,077 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:08:54,077 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:08:54,078 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:08:54,150 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:08:54,155 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:08:54,457 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:08:54,496 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:08:54,496 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:08:54,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:54 BoogieIcfgContainer [2023-11-23 20:08:54,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:08:54,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:08:54,500 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:08:54,512 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:08:54,512 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:08:54" (1/1) ... [2023-11-23 20:08:54,522 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:08:54,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:54,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 67 states and 71 transitions. [2023-11-23 20:08:54,591 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 71 transitions. [2023-11-23 20:08:54,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:08:54,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:54,598 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:54,957 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:55,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:55,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 69 states and 73 transitions. [2023-11-23 20:08:55,051 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 73 transitions. [2023-11-23 20:08:55,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:08:55,052 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:55,052 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:55,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:55,159 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:55,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:55,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 74 transitions. [2023-11-23 20:08:55,179 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 74 transitions. [2023-11-23 20:08:55,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:08:55,180 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:55,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:55,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:55,269 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:55,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:55,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 71 states and 75 transitions. [2023-11-23 20:08:55,308 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 75 transitions. [2023-11-23 20:08:55,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:08:55,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:55,309 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:55,372 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:55,377 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:55,487 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:55,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:55,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 76 states and 82 transitions. [2023-11-23 20:08:55,825 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 82 transitions. [2023-11-23 20:08:55,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-23 20:08:55,825 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:55,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:55,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:55,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:55,948 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:56,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:56,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 82 states and 91 transitions. [2023-11-23 20:08:56,522 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 91 transitions. [2023-11-23 20:08:56,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-23 20:08:56,523 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:56,523 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:56,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:56,565 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:56,567 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:56,651 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:56,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:56,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 84 states and 94 transitions. [2023-11-23 20:08:56,739 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 94 transitions. [2023-11-23 20:08:56,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 20:08:56,739 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:56,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:56,764 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:08:56,766 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:56,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 85 states and 96 transitions. [2023-11-23 20:08:57,199 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 96 transitions. [2023-11-23 20:08:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-23 20:08:57,199 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:57,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:57,225 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:57,226 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:57,308 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:58,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 94 states and 110 transitions. [2023-11-23 20:08:58,199 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 110 transitions. [2023-11-23 20:08:58,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:08:58,200 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:58,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:58,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:58,243 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:58,245 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:58,348 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:59,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:59,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 104 states and 126 transitions. [2023-11-23 20:08:59,615 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 126 transitions. [2023-11-23 20:08:59,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:08:59,616 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:59,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:59,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:59,641 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:08:59,642 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:08:59,695 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:08:59,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:08:59,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 105 states and 128 transitions. [2023-11-23 20:08:59,942 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 128 transitions. [2023-11-23 20:08:59,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:08:59,943 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:08:59,943 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:08:59,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:08:59,967 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:08:59,969 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:00,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 107 states and 131 transitions. [2023-11-23 20:09:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 131 transitions. [2023-11-23 20:09:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:09:00,174 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:00,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:00,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-23 20:09:00,200 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:00,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2023-11-23 20:09:02,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:02,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 122 states and 154 transitions. [2023-11-23 20:09:02,176 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 154 transitions. [2023-11-23 20:09:02,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:09:02,177 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:02,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:02,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:02,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:02,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:02,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:04,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:04,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 137 states and 179 transitions. [2023-11-23 20:09:04,229 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 179 transitions. [2023-11-23 20:09:04,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:09:04,230 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:04,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:04,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:04,253 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:04,254 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:04,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:05,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:05,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 147 states and 196 transitions. [2023-11-23 20:09:05,445 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 196 transitions. [2023-11-23 20:09:05,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:09:05,446 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:05,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:05,476 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:05,479 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:07,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:07,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 163 states and 221 transitions. [2023-11-23 20:09:07,278 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 221 transitions. [2023-11-23 20:09:07,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:09:07,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:07,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:07,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:07,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:07,305 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:07,415 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 168 states and 233 transitions. [2023-11-23 20:09:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 233 transitions. [2023-11-23 20:09:08,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-23 20:09:08,333 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:08,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:08,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:08,357 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:08,359 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:08,500 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:12,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:12,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 173 states and 244 transitions. [2023-11-23 20:09:12,146 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 244 transitions. [2023-11-23 20:09:12,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:09:12,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:12,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:12,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:12,172 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:12,174 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:12,332 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:16,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:16,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 179 states and 257 transitions. [2023-11-23 20:09:16,128 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 257 transitions. [2023-11-23 20:09:16,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-23 20:09:16,129 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:16,130 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:16,151 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:16,153 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:16,440 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:21,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:21,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 185 states and 269 transitions. [2023-11-23 20:09:21,669 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 269 transitions. [2023-11-23 20:09:21,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:09:21,670 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:21,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:21,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:21,749 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:21,750 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:24,184 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:38,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:38,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 192 states and 284 transitions. [2023-11-23 20:09:38,989 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 284 transitions. [2023-11-23 20:09:38,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:09:38,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:38,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:39,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:39,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:09:39,018 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:39,057 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-23 20:09:39,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:09:39,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 295 states to 191 states and 283 transitions. [2023-11-23 20:09:39,112 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 283 transitions. [2023-11-23 20:09:39,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:09:39,113 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:09:39,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:09:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:09:39,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:09:39,158 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:09:41,759 WARN L876 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int) (|ULTIMATE.start_main_~z~0#1| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| |ULTIMATE.start_main_~z~0#1|))) (and (<= (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|) .cse0) (<= 1 |v_ULTIMATE.start_main_~x~0#1_54|) (<= .cse0 9223372036854775807)))) is different from true [2023-11-23 20:09:41,778 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.