./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0e0057cc 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_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi --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 cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:56:14,056 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:56:14,147 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-24 22:56:14,152 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:56:14,153 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:56:14,178 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:56:14,179 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:56:14,180 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:56:14,181 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:56:14,181 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:56:14,182 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:56:14,183 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:56:14,183 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:56:14,184 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:56:14,184 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:56:14,184 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:56:14,185 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:56:14,185 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:56:14,186 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:56:14,186 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-24 22:56:14,187 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-24 22:56:14,187 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:56:14,188 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:56:14,188 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:56:14,189 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:56:14,189 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:56:14,189 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:56:14,190 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:56:14,190 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:14,190 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:56:14,191 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:56:14,191 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:56:14,191 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:56:14,192 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:56:14,192 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:56:14,192 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_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cb6ce2ff229d0487f93903d488050ba589e9ec8da79902739cdfa980edb7ba6d [2023-11-24 22:56:14,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:56:14,570 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:56:14,573 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:56:14,574 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:56:14,575 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:56:14,576 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-11-24 22:56:17,525 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:56:17,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:56:17,782 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/sv-benchmarks/c/nla-digbench-scaling/freire1_unwindbound5.c [2023-11-24 22:56:17,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/data/3ce8613a2/547d5e84f57443cc9e3783cc014be859/FLAG5ddb7e532 [2023-11-24 22:56:17,806 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/data/3ce8613a2/547d5e84f57443cc9e3783cc014be859 [2023-11-24 22:56:17,809 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:56:17,811 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:56:17,812 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:17,812 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:56:17,818 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:56:17,819 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:17" (1/1) ... [2023-11-24 22:56:17,821 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@36e39b40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:17, skipping insertion in model container [2023-11-24 22:56:17,821 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:56:17" (1/1) ... [2023-11-24 22:56:17,843 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:56:18,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:18,038 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:56:18,054 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:56:18,070 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:56:18,070 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18 WrapperNode [2023-11-24 22:56:18,070 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:56:18,072 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:18,072 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:56:18,072 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:56:18,081 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,088 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,109 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 48 [2023-11-24 22:56:18,109 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:56:18,110 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:56:18,111 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:56:18,111 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:56:18,120 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,121 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,122 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,123 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,127 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,131 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,132 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,133 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:56:18,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:56:18,137 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:56:18,137 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:56:18,138 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:56:18,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:56:18,177 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:56:18,185 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:56:18,218 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:56:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:56:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:56:18,219 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:56:18,219 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:56:18,220 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:56:18,290 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:56:18,292 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:56:18,501 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:56:18,532 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:56:18,532 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-24 22:56:18,534 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:18 BoogieIcfgContainer [2023-11-24 22:56:18,534 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:56:18,535 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:56:18,535 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:56:18,545 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:56:18,545 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:18" (1/1) ... [2023-11-24 22:56:18,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:56:18,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:18,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 26 states and 29 transitions. [2023-11-24 22:56:18,603 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 29 transitions. [2023-11-24 22:56:18,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:18,604 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:18,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:18,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:18,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:18,819 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:18,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 25 states and 27 transitions. [2023-11-24 22:56:18,821 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 27 transitions. [2023-11-24 22:56:18,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-24 22:56:18,822 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:18,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:18,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:18,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-24 22:56:19,038 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-24 22:56:19,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:56:19,038 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 28 states and 31 transitions. [2023-11-24 22:56:19,140 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 31 transitions. [2023-11-24 22:56:19,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 22:56:19,140 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,141 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 27 states and 30 transitions. [2023-11-24 22:56:19,184 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2023-11-24 22:56:19,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:19,185 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,240 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:19,247 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:19,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2023-11-24 22:56:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2023-11-24 22:56:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 22:56:19,462 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,483 INFO L262 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:19,484 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 34 states and 41 transitions. [2023-11-24 22:56:19,702 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 41 transitions. [2023-11-24 22:56:19,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:56:19,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,754 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:19,755 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:19,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:19,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 37 states and 47 transitions. [2023-11-24 22:56:19,867 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 47 transitions. [2023-11-24 22:56:19,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:19,868 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:19,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:19,911 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:19,914 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:20,010 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:20,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 39 states and 50 transitions. [2023-11-24 22:56:20,188 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 50 transitions. [2023-11-24 22:56:20,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-24 22:56:20,189 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,210 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-24 22:56:20,211 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:20,252 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:20,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 43 states and 57 transitions. [2023-11-24 22:56:20,428 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 57 transitions. [2023-11-24 22:56:20,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2023-11-24 22:56:20,428 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:20,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:20,452 INFO L262 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:20,453 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:20,565 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:21,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:21,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 54 states and 79 transitions. [2023-11-24 22:56:21,207 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 79 transitions. [2023-11-24 22:56:21,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 22:56:21,209 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:21,209 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:21,231 INFO L262 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:21,232 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:22,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 65 states and 101 transitions. [2023-11-24 22:56:22,124 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 101 transitions. [2023-11-24 22:56:22,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:22,125 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,149 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:22,150 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:22,216 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:22,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:22,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 112 transitions. [2023-11-24 22:56:22,806 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2023-11-24 22:56:22,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-24 22:56:22,807 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:22,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:22,833 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:22,835 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:22,871 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:23,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:23,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 75 states and 115 transitions. [2023-11-24 22:56:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 115 transitions. [2023-11-24 22:56:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-24 22:56:23,378 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:23,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:23,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,409 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-24 22:56:23,414 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:23,514 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:23,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:23,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 79 states and 128 transitions. [2023-11-24 22:56:23,789 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 128 transitions. [2023-11-24 22:56:23,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2023-11-24 22:56:23,790 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:23,791 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:23,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:23,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:56:23,830 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:24,069 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:25,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:25,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 98 states and 157 transitions. [2023-11-24 22:56:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 157 transitions. [2023-11-24 22:56:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2023-11-24 22:56:25,376 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:25,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:25,412 INFO L262 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:56:25,418 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:25,575 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:26,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 110 states and 183 transitions. [2023-11-24 22:56:26,103 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 183 transitions. [2023-11-24 22:56:26,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-24 22:56:26,104 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:26,137 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjunts are in the unsatisfiable core [2023-11-24 22:56:26,149 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:26,263 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-24 22:56:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:26,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 116 states and 193 transitions. [2023-11-24 22:56:26,842 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 193 transitions. [2023-11-24 22:56:26,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2023-11-24 22:56:26,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:26,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:26,871 INFO L262 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-24 22:56:26,872 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:26,983 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:27,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:27,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 120 states and 211 transitions. [2023-11-24 22:56:27,353 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 211 transitions. [2023-11-24 22:56:27,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2023-11-24 22:56:27,354 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:27,354 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:27,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:27,383 INFO L262 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:56:27,384 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:27,650 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:27,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:27,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 225 states to 127 states and 218 transitions. [2023-11-24 22:56:27,921 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 218 transitions. [2023-11-24 22:56:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2023-11-24 22:56:27,921 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:27,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:27,960 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:56:27,961 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:28,445 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:29,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:29,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 139 states and 249 transitions. [2023-11-24 22:56:29,706 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 249 transitions. [2023-11-24 22:56:29,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2023-11-24 22:56:29,707 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:29,707 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:29,745 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 22:56:29,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:29,885 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2023-11-24 22:56:30,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:30,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 145 states and 260 transitions. [2023-11-24 22:56:30,686 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 260 transitions. [2023-11-24 22:56:30,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2023-11-24 22:56:30,687 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:30,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:30,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:30,730 INFO L262 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-24 22:56:30,735 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:30,875 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:31,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:31,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 149 states and 281 transitions. [2023-11-24 22:56:31,333 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 281 transitions. [2023-11-24 22:56:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2023-11-24 22:56:31,334 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:31,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:31,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:31,374 INFO L262 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:56:31,376 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:31,948 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:32,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:32,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 156 states and 292 transitions. [2023-11-24 22:56:32,795 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 292 transitions. [2023-11-24 22:56:32,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2023-11-24 22:56:32,796 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:32,796 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:32,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:32,828 INFO L262 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 10 conjunts are in the unsatisfiable core [2023-11-24 22:56:32,829 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:33,056 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 12 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:33,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:33,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 166 states and 313 transitions. [2023-11-24 22:56:33,786 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 313 transitions. [2023-11-24 22:56:33,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:33,787 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:33,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:33,845 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:33,847 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,002 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:34,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:34,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 333 states to 172 states and 325 transitions. [2023-11-24 22:56:34,801 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 325 transitions. [2023-11-24 22:56:34,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:34,802 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:34,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:34,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:34,855 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:34,856 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:34,929 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:35,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:35,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 175 states and 327 transitions. [2023-11-24 22:56:35,496 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 327 transitions. [2023-11-24 22:56:35,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:35,497 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:35,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:35,538 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:35,539 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:35,621 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:36,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:36,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 178 states and 330 transitions. [2023-11-24 22:56:36,539 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 330 transitions. [2023-11-24 22:56:36,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:36,540 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:36,540 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:36,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:36,594 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:36,596 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:36,674 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:37,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 181 states and 332 transitions. [2023-11-24 22:56:37,235 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 332 transitions. [2023-11-24 22:56:37,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2023-11-24 22:56:37,236 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:37,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:37,281 INFO L262 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:56:37,282 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:37,351 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2023-11-24 22:56:37,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:37,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 342 states to 184 states and 334 transitions. [2023-11-24 22:56:37,989 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 334 transitions. [2023-11-24 22:56:37,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2023-11-24 22:56:37,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:37,991 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,037 INFO L262 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 6 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,039 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:38,231 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:38,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:38,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 188 states and 356 transitions. [2023-11-24 22:56:38,781 INFO L276 IsEmpty]: Start isEmpty. Operand 188 states and 356 transitions. [2023-11-24 22:56:38,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2023-11-24 22:56:38,783 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:38,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:38,821 INFO L262 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:38,823 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:39,432 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 130 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:41,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:41,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 205 states and 379 transitions. [2023-11-24 22:56:41,519 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 379 transitions. [2023-11-24 22:56:41,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2023-11-24 22:56:41,519 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:41,520 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:41,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:41,554 INFO L262 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 12 conjunts are in the unsatisfiable core [2023-11-24 22:56:41,555 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:41,861 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 15 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:42,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:42,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 215 states and 402 transitions. [2023-11-24 22:56:42,761 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 402 transitions. [2023-11-24 22:56:42,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:56:42,762 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:42,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:42,808 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:42,812 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:43,086 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:43,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:43,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 216 states and 403 transitions. [2023-11-24 22:56:43,558 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 403 transitions. [2023-11-24 22:56:43,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:56:43,559 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:43,560 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:43,599 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:43,601 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:43,884 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 145 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:56:44,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:44,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 219 states and 411 transitions. [2023-11-24 22:56:44,740 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 411 transitions. [2023-11-24 22:56:44,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:56:44,743 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:44,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:44,787 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:44,789 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:44,994 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:46,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:46,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 223 states and 418 transitions. [2023-11-24 22:56:46,302 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 418 transitions. [2023-11-24 22:56:46,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:56:46,303 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:46,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:46,346 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:46,347 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:46,425 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 226 states and 420 transitions. [2023-11-24 22:56:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 420 transitions. [2023-11-24 22:56:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2023-11-24 22:56:47,220 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:56:47,220 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:56:47,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:56:47,267 INFO L262 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 13 conjunts are in the unsatisfiable core [2023-11-24 22:56:47,302 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:56:47,400 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2023-11-24 22:56:48,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:56:48,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 81 states and 106 transitions. [2023-11-24 22:56:48,217 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 106 transitions. [2023-11-24 22:56:48,218 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:56:48,218 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 38 iterations. [2023-11-24 22:56:48,230 INFO L751 CodeCheckObserver]: All specifications hold 8 specifications checked. All of them hold [2023-11-24 22:56:48,625 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:48,629 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:56:48,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:56:48 ImpRootNode [2023-11-24 22:56:48,629 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:56:48,630 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:56:48,630 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:56:48,630 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:56:48,631 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:56:18" (3/4) ... [2023-11-24 22:56:48,632 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:56:48,635 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-24 22:56:48,639 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2023-11-24 22:56:48,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2023-11-24 22:56:48,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:56:48,640 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:56:48,730 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:56:48,731 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:56:48,731 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:56:48,732 INFO L158 Benchmark]: Toolchain (without parser) took 30921.63ms. Allocated memory was 144.7MB in the beginning and 302.0MB in the end (delta: 157.3MB). Free memory was 107.9MB in the beginning and 148.1MB in the end (delta: -40.3MB). Peak memory consumption was 116.4MB. Max. memory is 16.1GB. [2023-11-24 22:56:48,733 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:48,733 INFO L158 Benchmark]: CACSL2BoogieTranslator took 258.93ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 97.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:48,734 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.77ms. Allocated memory is still 144.7MB. Free memory was 97.2MB in the beginning and 95.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:56:48,734 INFO L158 Benchmark]: Boogie Preprocessor took 25.32ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:56:48,735 INFO L158 Benchmark]: RCFGBuilder took 398.02ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 111.8MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:56:48,735 INFO L158 Benchmark]: CodeCheck took 30094.31ms. Allocated memory was 144.7MB in the beginning and 302.0MB in the end (delta: 157.3MB). Free memory was 111.4MB in the beginning and 152.3MB in the end (delta: -41.0MB). Peak memory consumption was 118.9MB. Max. memory is 16.1GB. [2023-11-24 22:56:48,736 INFO L158 Benchmark]: Witness Printer took 101.53ms. Allocated memory is still 302.0MB. Free memory was 152.3MB in the beginning and 148.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:56:48,738 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 2 procedures, 26 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 29.7s, OverallIterations: 38, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7410 SdHoareTripleChecker+Valid, 32.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 6333 mSDsluCounter, 6549 SdHoareTripleChecker+Invalid, 27.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5320 mSDsCounter, 5430 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 20801 IncrementalHoareTripleChecker+Invalid, 26231 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5430 mSolverCounterUnsat, 1229 mSDtfsCounter, 20801 mSolverCounterSat, 0.7s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 13718 GetRequests, 12778 SyntacticMatches, 564 SemanticMatches, 376 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84678 ImplicationChecksByTransitivity, 22.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 1357 NumberOfCodeBlocks, 1357 NumberOfCodeBlocksAsserted, 37 NumberOfCheckSat, 1320 ConstructedInterpolants, 0 QuantifiedInterpolants, 3794 SizeOfPredicates, 85 NumberOfNonLiveVariables, 3167 ConjunctsInSsa, 261 ConjunctsInUnsatCore, 37 InterpolantComputations, 14 PerfectInterpolantSequences, 764/2085 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 32]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 33]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 38]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 41]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 8 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 109.1MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 258.93ms. Allocated memory is still 144.7MB. Free memory was 107.4MB in the beginning and 97.2MB in the end (delta: 10.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.77ms. Allocated memory is still 144.7MB. Free memory was 97.2MB in the beginning and 95.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.32ms. Allocated memory is still 144.7MB. Free memory was 95.9MB in the beginning and 94.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 398.02ms. Allocated memory is still 144.7MB. Free memory was 94.4MB in the beginning and 111.8MB in the end (delta: -17.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 30094.31ms. Allocated memory was 144.7MB in the beginning and 302.0MB in the end (delta: 157.3MB). Free memory was 111.4MB in the beginning and 152.3MB in the end (delta: -41.0MB). Peak memory consumption was 118.9MB. Max. memory is 16.1GB. * Witness Printer took 101.53ms. Allocated memory is still 302.0MB. Free memory was 152.3MB in the beginning and 148.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:56:48,764 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03c80fb5-e6cd-4ee7-82a4-96b977dea8bd/bin/ukojak-verify-afCqCEvfdi/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 Writing output log to file Ultimate.log Result: TRUE