./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9bd2c7ff 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_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound100.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL --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 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:23,342 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:23,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-19 03:13:23,479 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:23,480 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:23,518 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:23,520 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:23,520 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:23,521 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:23,526 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:23,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:23,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:23,528 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:23,529 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:23,530 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:23,530 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:23,531 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:23,531 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:23,531 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:23,532 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-19 03:13:23,532 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-19 03:13:23,533 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:23,533 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:23,534 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:23,534 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:23,535 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:23,535 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:23,536 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:23,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:23,537 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:23,538 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:23,538 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:23,539 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:23,539 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:23,539 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:23,539 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_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9510036636a06bbbe217d25abc7d9d86c957b5947d577c099943a8ac8bd54815 [2023-11-19 03:13:23,884 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:23,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:23,917 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:23,918 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:23,919 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:23,920 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound100.c [2023-11-19 03:13:27,081 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:27,341 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:27,341 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/sv-benchmarks/c/nla-digbench-scaling/geo1-ll_valuebound100.c [2023-11-19 03:13:27,350 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/data/6df060c8f/d5db486cee25471bb9ef00d6c378585d/FLAGb4e2fcc55 [2023-11-19 03:13:27,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/data/6df060c8f/d5db486cee25471bb9ef00d6c378585d [2023-11-19 03:13:27,374 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:27,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:27,379 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:27,379 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:27,385 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:27,386 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,387 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e9812f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27, skipping insertion in model container [2023-11-19 03:13:27,387 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,414 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:27,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:27,635 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:27,657 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:27,671 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:27,671 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27 WrapperNode [2023-11-19 03:13:27,671 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:27,672 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:27,673 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:27,673 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:27,680 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,699 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,718 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 73 [2023-11-19 03:13:27,718 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:27,719 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:27,719 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:27,720 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:27,729 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,729 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,731 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,731 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,734 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,738 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,739 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,740 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,742 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:27,743 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:27,743 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:27,743 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:27,744 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:27" (1/1) ... [2023-11-19 03:13:27,750 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:27,764 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:27,776 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:27,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f1c9f54d-7558-43f8-b199-91f2727c0210/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:27,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:13:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:13:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:27,810 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:27,810 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:27,811 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:13:27,811 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:13:27,887 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:27,890 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:28,132 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:28,165 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:28,165 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:13:28,172 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:28 BoogieIcfgContainer [2023-11-19 03:13:28,172 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:28,173 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:28,173 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:28,184 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:28,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:28" (1/1) ... [2023-11-19 03:13:28,191 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:28,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 65 states and 70 transitions. [2023-11-19 03:13:28,243 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 70 transitions. [2023-11-19 03:13:28,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:13:28,247 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:28,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:28,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:28,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:28,490 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:28,629 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:28,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:28,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 67 states and 72 transitions. [2023-11-19 03:13:28,757 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 72 transitions. [2023-11-19 03:13:28,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-19 03:13:28,758 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:28,758 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:28,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:28,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:28,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:28,891 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:29,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:29,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 70 states and 77 transitions. [2023-11-19 03:13:29,073 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 77 transitions. [2023-11-19 03:13:29,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-19 03:13:29,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:29,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:29,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:29,112 INFO L262 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:29,115 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:29,162 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:29,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:29,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 72 states and 80 transitions. [2023-11-19 03:13:29,231 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2023-11-19 03:13:29,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-19 03:13:29,232 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:29,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:29,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:29,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-19 03:13:29,269 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:29,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:29,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 73 states and 82 transitions. [2023-11-19 03:13:29,586 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-19 03:13:29,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:13:29,587 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:29,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:29,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:29,620 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:29,622 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:29,706 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:30,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:30,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 79 states and 92 transitions. [2023-11-19 03:13:30,216 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 92 transitions. [2023-11-19 03:13:30,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-19 03:13:30,217 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:30,217 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:30,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:30,254 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:30,258 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:30,356 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:30,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:30,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 86 states and 104 transitions. [2023-11-19 03:13:30,992 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 104 transitions. [2023-11-19 03:13:30,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-19 03:13:30,993 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:30,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:31,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:31,023 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:31,025 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:31,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:31,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 87 states and 106 transitions. [2023-11-19 03:13:31,251 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 106 transitions. [2023-11-19 03:13:31,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 03:13:31,252 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:31,253 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:31,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:31,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:31,342 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:31,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:31,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 89 states and 109 transitions. [2023-11-19 03:13:31,482 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 109 transitions. [2023-11-19 03:13:31,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:13:31,486 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:31,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:31,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:31,523 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:13:31,525 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:31,647 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:13:32,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 103 states and 131 transitions. [2023-11-19 03:13:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 131 transitions. [2023-11-19 03:13:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:13:32,675 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:32,675 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:32,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:32,713 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:32,714 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:32,768 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:33,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:33,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 115 states and 152 transitions. [2023-11-19 03:13:33,804 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 152 transitions. [2023-11-19 03:13:33,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-19 03:13:33,805 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:33,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:33,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:33,838 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-19 03:13:33,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:33,953 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2023-11-19 03:13:35,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:35,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 125 states and 167 transitions. [2023-11-19 03:13:35,201 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 167 transitions. [2023-11-19 03:13:35,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:35,202 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:35,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:35,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:35,230 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:35,231 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:35,261 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:36,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:36,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 135 states and 183 transitions. [2023-11-19 03:13:36,126 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 183 transitions. [2023-11-19 03:13:36,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-19 03:13:36,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:36,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:36,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:36,153 INFO L262 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:36,155 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:36,211 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:37,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:37,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 148 states and 205 transitions. [2023-11-19 03:13:37,180 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 205 transitions. [2023-11-19 03:13:37,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:13:37,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:37,181 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:37,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:37,211 INFO L262 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:37,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:37,296 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:38,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:38,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 153 states and 217 transitions. [2023-11-19 03:13:38,031 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 217 transitions. [2023-11-19 03:13:38,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-19 03:13:38,032 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:38,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:38,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:38,059 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:38,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:41,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:41,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 158 states and 228 transitions. [2023-11-19 03:13:41,292 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 228 transitions. [2023-11-19 03:13:41,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:13:41,293 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:41,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:41,322 INFO L262 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:41,323 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:41,486 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:45,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:45,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 164 states and 241 transitions. [2023-11-19 03:13:45,752 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 241 transitions. [2023-11-19 03:13:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-19 03:13:45,752 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:45,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:45,778 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:13:45,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:45,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:13:50,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:50,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 170 states and 253 transitions. [2023-11-19 03:13:50,434 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 253 transitions. [2023-11-19 03:13:50,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:13:50,435 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:50,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:50,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:13:50,463 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:13:50,465 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:13:53,164 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:03,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:03,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 177 states and 268 transitions. [2023-11-19 03:14:03,776 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 268 transitions. [2023-11-19 03:14:03,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-19 03:14:03,777 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:03,777 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:03,804 INFO L262 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-19 03:14:03,806 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:03,837 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-19 03:14:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:03,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 176 states and 267 transitions. [2023-11-19 03:14:03,880 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 267 transitions. [2023-11-19 03:14:03,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2023-11-19 03:14:03,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:03,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:14:03,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:14:03,915 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-19 03:14:03,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:14:05,773 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 [2023-11-19 03:14:05,787 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked.