./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench/egcd2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 527bcce2 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:32:39,346 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:32:39,460 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-21 18:32:39,472 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-21 18:32:39,473 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-21 18:32:39,507 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:32:39,508 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:32:39,509 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:32:39,510 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:32:39,511 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:32:39,511 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:32:39,512 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:32:39,512 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:32:39,513 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-21 18:32:39,513 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:32:39,514 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:32:39,514 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:32:39,515 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:32:39,515 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:32:39,516 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:32:39,528 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:32:39,529 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:32:39,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:32:39,530 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:32:39,531 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:32:39,531 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:32:39,532 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:32:39,532 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:32:39,533 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:39,533 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:32:39,535 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:32:39,535 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:32:39,535 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-21 18:32:39,536 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-21 18:32:39,536 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:32:39,536 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_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 [2023-11-21 18:32:39,810 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-21 18:32:39,839 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-21 18:32:39,843 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-21 18:32:39,845 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-21 18:32:39,845 INFO L274 PluginConnector]: CDTParser initialized [2023-11-21 18:32:39,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/../../sv-benchmarks/c/nla-digbench/egcd2.c [2023-11-21 18:32:42,989 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-21 18:32:43,217 INFO L384 CDTParser]: Found 1 translation units. [2023-11-21 18:32:43,218 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/sv-benchmarks/c/nla-digbench/egcd2.c [2023-11-21 18:32:43,228 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/data/002c6094b/d939430145ae4b60b1e730066987aa17/FLAG6d1816761 [2023-11-21 18:32:43,243 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/data/002c6094b/d939430145ae4b60b1e730066987aa17 [2023-11-21 18:32:43,246 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-21 18:32:43,247 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-21 18:32:43,249 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:43,249 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-21 18:32:43,255 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-21 18:32:43,256 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,257 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b716d39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43, skipping insertion in model container [2023-11-21 18:32:43,257 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-21 18:32:43,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:43,483 INFO L202 MainTranslator]: Completed pre-run [2023-11-21 18:32:43,508 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-21 18:32:43,531 INFO L206 MainTranslator]: Completed translation [2023-11-21 18:32:43,532 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43 WrapperNode [2023-11-21 18:32:43,532 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-21 18:32:43,534 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:43,534 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-21 18:32:43,534 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-21 18:32:43,543 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,566 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,624 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 149 [2023-11-21 18:32:43,625 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-21 18:32:43,626 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-21 18:32:43,626 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-21 18:32:43,627 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-21 18:32:43,639 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,640 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,660 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,660 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,666 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,687 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,698 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,701 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-21 18:32:43,702 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-21 18:32:43,704 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-21 18:32:43,705 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-21 18:32:43,706 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:32:43" (1/1) ... [2023-11-21 18:32:43,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:32:43,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/z3 [2023-11-21 18:32:43,738 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-21 18:32:43,768 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-21 18:32:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-21 18:32:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2023-11-21 18:32:43,791 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2023-11-21 18:32:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-21 18:32:43,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-21 18:32:43,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-21 18:32:43,792 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-21 18:32:43,793 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-21 18:32:43,874 INFO L240 CfgBuilder]: Building ICFG [2023-11-21 18:32:43,879 INFO L266 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-21 18:32:44,576 INFO L281 CfgBuilder]: Performing block encoding [2023-11-21 18:32:44,623 INFO L303 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-21 18:32:44,623 INFO L308 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-21 18:32:44,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:44 BoogieIcfgContainer [2023-11-21 18:32:44,626 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-21 18:32:44,627 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-21 18:32:44,627 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-21 18:32:44,640 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-21 18:32:44,640 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:32:44" (1/1) ... [2023-11-21 18:32:44,652 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-21 18:32:44,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:44,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 149 states and 158 transitions. [2023-11-21 18:32:44,722 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2023-11-21 18:32:44,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-21 18:32:44,727 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:44,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:44,973 INFO L262 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-21 18:32:44,985 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,043 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:45,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 149 states and 157 transitions. [2023-11-21 18:32:45,086 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 157 transitions. [2023-11-21 18:32:45,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-21 18:32:45,087 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,150 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,152 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,170 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:45,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 152 states and 162 transitions. [2023-11-21 18:32:45,193 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 162 transitions. [2023-11-21 18:32:45,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:32:45,194 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,247 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,251 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,270 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:45,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 153 states and 163 transitions. [2023-11-21 18:32:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 163 transitions. [2023-11-21 18:32:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-21 18:32:45,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,354 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,355 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,367 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:45,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 155 states and 165 transitions. [2023-11-21 18:32:45,395 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 165 transitions. [2023-11-21 18:32:45,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:45,396 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,450 INFO L262 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,452 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 160 states and 173 transitions. [2023-11-21 18:32:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2023-11-21 18:32:45,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-21 18:32:45,749 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,809 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,811 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,819 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:45,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:45,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 161 states and 174 transitions. [2023-11-21 18:32:45,836 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 174 transitions. [2023-11-21 18:32:45,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:32:45,837 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:45,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:45,868 INFO L262 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-21 18:32:45,869 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:45,949 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:46,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:46,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 167 states and 183 transitions. [2023-11-21 18:32:46,402 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 183 transitions. [2023-11-21 18:32:46,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-21 18:32:46,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:46,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:46,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:46,460 INFO L262 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:46,463 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 173 states and 195 transitions. [2023-11-21 18:32:47,145 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 195 transitions. [2023-11-21 18:32:47,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:32:47,146 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:47,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:47,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:47,180 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:47,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:47,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:47,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 176 states and 199 transitions. [2023-11-21 18:32:47,467 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 199 transitions. [2023-11-21 18:32:47,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-21 18:32:47,468 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:47,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:47,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:47,495 INFO L262 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-21 18:32:47,497 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:47,643 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:48,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:48,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 183 states and 212 transitions. [2023-11-21 18:32:48,383 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 212 transitions. [2023-11-21 18:32:48,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-21 18:32:48,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:48,384 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:48,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:48,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:48,411 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:48,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:49,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:49,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 184 states and 213 transitions. [2023-11-21 18:32:49,063 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 213 transitions. [2023-11-21 18:32:49,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-21 18:32:49,064 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:49,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:49,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:49,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:49,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:49,148 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:49,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:49,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 193 states and 230 transitions. [2023-11-21 18:32:49,847 INFO L276 IsEmpty]: Start isEmpty. Operand 193 states and 230 transitions. [2023-11-21 18:32:49,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:32:49,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:49,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:49,894 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:49,898 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:50,029 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:51,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 203 states and 248 transitions. [2023-11-21 18:32:51,299 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2023-11-21 18:32:51,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-21 18:32:51,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,331 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:51,353 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:51,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:51,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 204 states and 249 transitions. [2023-11-21 18:32:51,374 INFO L276 IsEmpty]: Start isEmpty. Operand 204 states and 249 transitions. [2023-11-21 18:32:51,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:51,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:51,376 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:51,407 INFO L262 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:51,409 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:51,551 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:53,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:53,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 215 states and 268 transitions. [2023-11-21 18:32:53,176 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 268 transitions. [2023-11-21 18:32:53,177 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-21 18:32:53,179 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:53,180 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:53,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:53,209 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:53,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:53,264 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:54,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:54,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 224 states and 284 transitions. [2023-11-21 18:32:54,094 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 284 transitions. [2023-11-21 18:32:54,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:54,095 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:54,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:54,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:54,118 INFO L262 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:54,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:54,142 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:55,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:55,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 234 states and 300 transitions. [2023-11-21 18:32:55,634 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 300 transitions. [2023-11-21 18:32:55,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-21 18:32:55,634 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:55,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:55,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:55,660 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:55,661 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:56,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 329 states to 244 states and 317 transitions. [2023-11-21 18:32:56,552 INFO L276 IsEmpty]: Start isEmpty. Operand 244 states and 317 transitions. [2023-11-21 18:32:56,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:32:56,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,590 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,595 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:56,618 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:56,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:56,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 245 states and 318 transitions. [2023-11-21 18:32:56,652 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 318 transitions. [2023-11-21 18:32:56,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-21 18:32:56,653 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:56,653 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:56,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:56,680 INFO L262 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:56,681 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:56,808 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:57,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 248 states and 322 transitions. [2023-11-21 18:32:57,096 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 322 transitions. [2023-11-21 18:32:57,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:32:57,096 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,131 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,132 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,174 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:57,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:57,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 251 states and 326 transitions. [2023-11-21 18:32:57,543 INFO L276 IsEmpty]: Start isEmpty. Operand 251 states and 326 transitions. [2023-11-21 18:32:57,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-21 18:32:57,548 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:57,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:57,583 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:57,584 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:57,830 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:58,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:58,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 252 states and 327 transitions. [2023-11-21 18:32:58,441 INFO L276 IsEmpty]: Start isEmpty. Operand 252 states and 327 transitions. [2023-11-21 18:32:58,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-21 18:32:58,441 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:58,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:58,469 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:32:58,470 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:58,511 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-21 18:32:58,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:32:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 253 states and 328 transitions. [2023-11-21 18:32:58,551 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 328 transitions. [2023-11-21 18:32:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-21 18:32:58,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:32:58,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:32:58,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:32:58,579 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:32:58,580 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:32:58,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:33:00,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:00,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 267 states and 348 transitions. [2023-11-21 18:33:00,169 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 348 transitions. [2023-11-21 18:33:00,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-21 18:33:00,170 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:00,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:00,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:00,199 INFO L262 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:00,205 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:00,231 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:33:00,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:00,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 268 states and 349 transitions. [2023-11-21 18:33:00,254 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 349 transitions. [2023-11-21 18:33:00,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-21 18:33:00,256 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:00,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:00,287 INFO L262 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:00,289 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:00,363 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:33:02,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:02,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 284 states and 372 transitions. [2023-11-21 18:33:02,188 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 372 transitions. [2023-11-21 18:33:02,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-21 18:33:02,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:02,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:02,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:02,219 INFO L262 TraceCheckSpWp]: Trace formula consists of 110 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:02,220 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:02,469 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:33:05,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:05,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 303 states and 400 transitions. [2023-11-21 18:33:05,951 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 400 transitions. [2023-11-21 18:33:05,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2023-11-21 18:33:05,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:05,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:05,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:05,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:05,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:06,037 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:33:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 306 states and 404 transitions. [2023-11-21 18:33:06,464 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 404 transitions. [2023-11-21 18:33:06,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2023-11-21 18:33:06,464 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:06,465 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:06,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:06,546 INFO L262 TraceCheckSpWp]: Trace formula consists of 112 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-21 18:33:06,547 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:06,585 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2023-11-21 18:33:06,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:06,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 307 states and 405 transitions. [2023-11-21 18:33:06,624 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 405 transitions. [2023-11-21 18:33:06,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-21 18:33:06,625 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:06,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:06,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:06,661 INFO L262 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:06,664 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:06,771 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:06,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:06,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 309 states and 408 transitions. [2023-11-21 18:33:06,911 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 408 transitions. [2023-11-21 18:33:06,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2023-11-21 18:33:06,912 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:06,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:06,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:06,941 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:06,942 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:07,099 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:07,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:07,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 312 states and 412 transitions. [2023-11-21 18:33:07,609 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 412 transitions. [2023-11-21 18:33:07,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-21 18:33:07,610 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:07,610 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:07,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:07,650 INFO L262 TraceCheckSpWp]: Trace formula consists of 123 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:33:07,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:08,538 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:15,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:15,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 337 states and 448 transitions. [2023-11-21 18:33:15,234 INFO L276 IsEmpty]: Start isEmpty. Operand 337 states and 448 transitions. [2023-11-21 18:33:15,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-21 18:33:15,235 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:15,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:15,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 14 conjunts are in the unsatisfiable core [2023-11-21 18:33:15,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:15,709 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:16,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:16,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 469 states to 342 states and 455 transitions. [2023-11-21 18:33:16,466 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 455 transitions. [2023-11-21 18:33:16,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2023-11-21 18:33:16,467 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:16,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:16,497 INFO L262 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:16,498 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:16,622 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:17,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:17,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 344 states and 458 transitions. [2023-11-21 18:33:17,986 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 458 transitions. [2023-11-21 18:33:17,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2023-11-21 18:33:17,987 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:17,987 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:18,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:18,026 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-21 18:33:18,028 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:18,279 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:19,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:19,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 347 states and 462 transitions. [2023-11-21 18:33:19,730 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 462 transitions. [2023-11-21 18:33:19,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-21 18:33:19,731 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:19,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:19,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-21 18:33:19,767 INFO L262 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-21 18:33:19,768 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-21 18:33:19,910 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-21 18:33:21,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-21 18:33:21,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 357 states and 475 transitions. [2023-11-21 18:33:21,492 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 475 transitions. [2023-11-21 18:33:21,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2023-11-21 18:33:21,492 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-21 18:33:21,493 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-21 18:33:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-21 18:33:31,539 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-21 18:33:31,543 INFO L158 Benchmark]: Toolchain (without parser) took 48294.92ms. Allocated memory was 153.1MB in the beginning and 337.6MB in the end (delta: 184.5MB). Free memory was 108.1MB in the beginning and 112.6MB in the end (delta: -4.5MB). Peak memory consumption was 182.7MB. Max. memory is 16.1GB. [2023-11-21 18:33:31,544 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 122.5MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-21 18:33:31,545 INFO L158 Benchmark]: CACSL2BoogieTranslator took 283.34ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 96.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-21 18:33:31,545 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.60ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 94.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:31,546 INFO L158 Benchmark]: Boogie Preprocessor took 75.15ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-21 18:33:31,547 INFO L158 Benchmark]: RCFGBuilder took 923.92ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 67.7MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-21 18:33:31,548 INFO L158 Benchmark]: CodeCheck took 46914.90ms. Allocated memory was 153.1MB in the beginning and 337.6MB in the end (delta: 184.5MB). Free memory was 67.7MB in the beginning and 112.6MB in the end (delta: -44.9MB). Peak memory consumption was 142.9MB. Max. memory is 16.1GB. [2023-11-21 18:33:31,552 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 153.1MB. Free memory was 122.8MB in the beginning and 122.5MB in the end (delta: 318.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 283.34ms. Allocated memory is still 153.1MB. Free memory was 107.8MB in the beginning and 96.6MB in the end (delta: 11.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.60ms. Allocated memory is still 153.1MB. Free memory was 96.6MB in the beginning and 94.4MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.15ms. Allocated memory is still 153.1MB. Free memory was 94.4MB in the beginning and 93.1MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 923.92ms. Allocated memory is still 153.1MB. Free memory was 93.1MB in the beginning and 67.7MB in the end (delta: 25.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 46914.90ms. Allocated memory was 153.1MB in the beginning and 337.6MB in the end (delta: 184.5MB). Free memory was 67.7MB in the beginning and 112.6MB in the end (delta: -44.9MB). Peak memory consumption was 142.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-21 18:33:31,580 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench/egcd2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 11cdb5bed69a75a9cee8de74836901a4710f318ddce5b4d49fd94a2d2bed7371 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-527bcce [2023-11-21 18:33:34,795 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-21 18:33:34,939 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c9a70db1-e468-4b6a-a442-735b9c1b1f74/bin/ukojak-verify-i0I2FZA1j2/config/svcomp-Overflow-32bit-Kojak_Bitvector.epf [2023-11-21 18:33:35,016 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-21 18:33:35,018 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-21 18:33:35,019 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-21 18:33:35,020 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-21 18:33:35,020 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-21 18:33:35,022 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-21 18:33:35,028 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-21 18:33:35,028 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-21 18:33:35,029 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-21 18:33:35,029 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-21 18:33:35,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-21 18:33:35,032 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-21 18:33:35,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-21 18:33:35,033 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-21 18:33:35,033 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-21 18:33:35,034 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-21 18:33:35,035 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-21 18:33:35,036 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-21 18:33:35,036 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-21 18:33:35,037 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-21 18:33:35,037 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-21 18:33:35,038 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-21 18:33:35,038 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-21 18:33:35,039 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-21 18:33:35,039 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:35,040 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:35,040 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-21 18:33:35,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-21 18:33:35,043 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-21 18:33:35,043 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-21 18:33:35,043 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-21 18:33:35,044 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-21 18:33:35,044 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-21 18:33:35,044 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-21 18:33:35,045 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-21 18:33:35,045 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-21 18:33:35,046 INFO L153 SettingsManager]: * Logic for external solver=AUFBV