./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/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_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/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_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --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-9bd2c7f [2023-11-19 03:57:24,370 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:57:24,438 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:57:24,443 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:57:24,444 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:57:24,468 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:57:24,469 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:57:24,470 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:57:24,471 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:57:24,471 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:57:24,472 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:57:24,473 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:57:24,474 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:57:24,474 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:57:24,475 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:57:24,476 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:57:24,476 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:57:24,477 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:57:24,478 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:57:24,478 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:57:24,479 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:57:24,480 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:57:24,481 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:57:24,481 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:57:24,482 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:57:24,483 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:57:24,483 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:24,484 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:57:24,485 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:57:24,485 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:57:24,486 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:57:24,486 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:57:24,487 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:57:24,488 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_4f3478bc-29db-4235-bd31-283407e87103/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 13f01b13f842e70fa5dc0726b8b5b83cfbe12eb21a3c45812a2355ca865a56c3 [2023-11-19 03:57:24,737 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:57:24,758 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:57:24,761 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:57:24,762 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:57:24,763 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:57:24,764 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-11-19 03:57:28,100 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:57:28,293 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:57:28,294 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c [2023-11-19 03:57:28,304 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/data/bd3007c74/d0c40847dfdb4ff2a822b1bbbd2c772d/FLAG91d349397 [2023-11-19 03:57:28,320 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/data/bd3007c74/d0c40847dfdb4ff2a822b1bbbd2c772d [2023-11-19 03:57:28,322 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:57:28,324 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:57:28,326 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:28,326 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:57:28,331 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:57:28,332 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,333 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@440fbc66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28, skipping insertion in model container [2023-11-19 03:57:28,333 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,360 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:57:28,549 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2023-11-19 03:57:28,573 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:28,584 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:57:28,600 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/sv-benchmarks/c/nla-digbench-scaling/bresenham-ll_valuebound100.c[597,610] [2023-11-19 03:57:28,610 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:57:28,628 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:57:28,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28 WrapperNode [2023-11-19 03:57:28,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:57:28,630 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:28,630 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:57:28,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:57:28,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,648 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,671 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 52 [2023-11-19 03:57:28,671 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:57:28,672 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:57:28,672 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:57:28,673 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:57:28,684 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,684 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,686 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,687 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,692 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,696 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,697 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:57:28,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:57:28,702 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:57:28,702 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:57:28,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:57:28" (1/1) ... [2023-11-19 03:57:28,717 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:57:28,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:57:28,742 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:57:28,765 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4f3478bc-29db-4235-bd31-283407e87103/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:57:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:57:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-19 03:57:28,782 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-19 03:57:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:57:28,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:57:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:57:28,783 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:57:28,783 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:57:28,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:57:28,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:57:29,007 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:57:29,063 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:57:29,063 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:57:29,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:29 BoogieIcfgContainer [2023-11-19 03:57:29,068 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:57:29,069 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:57:29,069 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:57:29,079 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:57:29,079 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:57:29" (1/1) ... [2023-11-19 03:57:29,087 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:57:29,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:29,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 20 states and 24 transitions. [2023-11-19 03:57:29,153 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 24 transitions. [2023-11-19 03:57:29,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-19 03:57:29,157 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:29,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:29,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:29,304 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:57:29,318 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:29,548 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:29,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:29,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 24 states and 31 transitions. [2023-11-19 03:57:29,731 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 31 transitions. [2023-11-19 03:57:29,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:29,733 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:29,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:29,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:29,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-19 03:57:29,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:29,991 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:30,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:30,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 28 states and 40 transitions. [2023-11-19 03:57:30,305 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 40 transitions. [2023-11-19 03:57:30,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-19 03:57:30,307 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:30,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:30,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:30,418 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 32 conjunts are in the unsatisfiable core [2023-11-19 03:57:30,422 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:31,184 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:32,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:32,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 53 transitions. [2023-11-19 03:57:32,404 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 53 transitions. [2023-11-19 03:57:32,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:57:32,406 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:32,406 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:32,473 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 31 conjunts are in the unsatisfiable core [2023-11-19 03:57:32,478 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:33,414 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 7 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-19 03:57:35,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:35,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 64 transitions. [2023-11-19 03:57:35,161 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 64 transitions. [2023-11-19 03:57:35,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-19 03:57:35,162 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:35,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:35,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:35,203 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 20 conjunts are in the unsatisfiable core [2023-11-19 03:57:35,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:36,002 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-19 03:57:38,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:38,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 40 states and 73 transitions. [2023-11-19 03:57:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 73 transitions. [2023-11-19 03:57:38,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:57:38,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:38,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:38,121 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 40 conjunts are in the unsatisfiable core [2023-11-19 03:57:38,124 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:39,714 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 11 proven. 11 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2023-11-19 03:57:42,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:42,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 45 states and 87 transitions. [2023-11-19 03:57:42,887 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2023-11-19 03:57:42,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2023-11-19 03:57:42,889 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:42,889 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:42,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:42,962 INFO L262 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 28 conjunts are in the unsatisfiable core [2023-11-19 03:57:42,965 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:44,628 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 15 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2023-11-19 03:57:48,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 48 states and 97 transitions. [2023-11-19 03:57:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 97 transitions. [2023-11-19 03:57:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:48,149 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:48,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:48,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:48,202 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 33 conjunts are in the unsatisfiable core [2023-11-19 03:57:48,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:50,532 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 16 proven. 19 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2023-11-19 03:57:54,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:54,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 110 transitions. [2023-11-19 03:57:54,642 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 110 transitions. [2023-11-19 03:57:54,644 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:54,644 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:54,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:54,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:54,699 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 36 conjunts are in the unsatisfiable core [2023-11-19 03:57:54,702 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:57:56,851 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 17 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:57:59,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:57:59,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 52 states and 105 transitions. [2023-11-19 03:57:59,241 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2023-11-19 03:57:59,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-19 03:57:59,243 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:57:59,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:57:59,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:57:59,333 INFO L262 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 37 conjunts are in the unsatisfiable core [2023-11-19 03:57:59,336 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:02,022 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 14 proven. 30 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2023-11-19 03:58:06,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 55 states and 120 transitions. [2023-11-19 03:58:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 120 transitions. [2023-11-19 03:58:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:58:06,516 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:06,516 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:06,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:06,671 INFO L262 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 34 conjunts are in the unsatisfiable core [2023-11-19 03:58:06,674 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:10,895 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 11 proven. 40 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2023-11-19 03:58:18,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:58:18,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 58 states and 133 transitions. [2023-11-19 03:58:18,136 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 133 transitions. [2023-11-19 03:58:18,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-19 03:58:18,137 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:58:18,138 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:58:18,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 03:58:18,227 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 41 conjunts are in the unsatisfiable core [2023-11-19 03:58:18,229 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 03:58:21,991 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 17 proven. 41 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked.