./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30e01a73 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_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eeab39c4b0b140806b3ddcf9e96fb8e36f66c5baac57da41aaf4e88167e6b080 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 20:30:32,910 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 20:30:33,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-11-23 20:30:33,110 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 20:30:33,111 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-23 20:30:33,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 20:30:33,170 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 20:30:33,171 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-23 20:30:33,173 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-23 20:30:33,183 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-23 20:30:33,184 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 20:30:33,185 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 20:30:33,186 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 20:30:33,188 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 20:30:33,188 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 20:30:33,189 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 20:30:33,189 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 20:30:33,190 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 20:30:33,190 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 20:30:33,191 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-11-23 20:30:33,192 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-11-23 20:30:33,192 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 20:30:33,193 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 20:30:33,193 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 20:30:33,195 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-23 20:30:33,197 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-23 20:30:33,197 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-23 20:30:33,198 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 20:30:33,199 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:33,199 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 20:30:33,201 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 20:30:33,201 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 20:30:33,202 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-23 20:30:33,202 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 20:30:33,202 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 20:30:33,202 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_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eeab39c4b0b140806b3ddcf9e96fb8e36f66c5baac57da41aaf4e88167e6b080 [2023-11-23 20:30:33,641 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 20:30:33,680 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 20:30:33,684 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 20:30:33,686 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 20:30:33,687 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 20:30:33,689 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/../../sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2023-11-23 20:30:37,016 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 20:30:37,256 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 20:30:37,257 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/sv-benchmarks/c/nla-digbench-scaling/ps2-ll_unwindbound1.c [2023-11-23 20:30:37,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/data/64f10c992/252c8e8a38584090ada958ad55baf216/FLAG15d373f2f [2023-11-23 20:30:37,289 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/data/64f10c992/252c8e8a38584090ada958ad55baf216 [2023-11-23 20:30:37,292 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 20:30:37,294 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 20:30:37,296 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:37,298 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 20:30:37,305 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 20:30:37,306 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@481e2535 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37, skipping insertion in model container [2023-11-23 20:30:37,308 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,336 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 20:30:37,574 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:37,588 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 20:30:37,609 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 20:30:37,628 INFO L206 MainTranslator]: Completed translation [2023-11-23 20:30:37,629 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37 WrapperNode [2023-11-23 20:30:37,629 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 20:30:37,631 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:37,631 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 20:30:37,631 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 20:30:37,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,650 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,674 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2023-11-23 20:30:37,675 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 20:30:37,676 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 20:30:37,676 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 20:30:37,676 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 20:30:37,688 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,689 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,691 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,691 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,695 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,700 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,701 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,703 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,705 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 20:30:37,706 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 20:30:37,707 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 20:30:37,707 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 20:30:37,708 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:30:37" (1/1) ... [2023-11-23 20:30:37,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-23 20:30:37,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/z3 [2023-11-23 20:30:37,774 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-23 20:30:37,783 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-23 20:30:37,822 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 20:30:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 20:30:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 20:30:37,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 20:30:37,823 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-23 20:30:37,824 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-23 20:30:37,909 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 20:30:37,912 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 20:30:38,307 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 20:30:38,373 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 20:30:38,378 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-23 20:30:38,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:38 BoogieIcfgContainer [2023-11-23 20:30:38,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 20:30:38,382 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-23 20:30:38,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-23 20:30:38,395 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-23 20:30:38,396 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:38" (1/1) ... [2023-11-23 20:30:38,409 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 20:30:38,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:38,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-11-23 20:30:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-11-23 20:30:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:38,490 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:38,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:38,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 57 states and 59 transitions. [2023-11-23 20:30:38,689 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 59 transitions. [2023-11-23 20:30:38,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-23 20:30:38,690 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:38,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:38,840 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:38,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:38,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-23 20:30:38,887 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-23 20:30:38,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-23 20:30:38,887 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:38,888 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:38,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:38,958 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:38,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-11-23 20:30:38,978 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-11-23 20:30:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-23 20:30:38,979 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:38,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:38,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:39,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:39,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 59 states and 62 transitions. [2023-11-23 20:30:39,028 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 62 transitions. [2023-11-23 20:30:39,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:39,028 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:39,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:39,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:39,110 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:39,116 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:39,169 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:39,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:39,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 65 states and 71 transitions. [2023-11-23 20:30:39,403 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 71 transitions. [2023-11-23 20:30:39,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-23 20:30:39,405 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:39,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:39,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:39,474 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:39,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:39,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:39,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:39,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-11-23 20:30:39,683 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-11-23 20:30:39,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-23 20:30:39,684 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:39,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:39,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:39,717 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:39,719 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:40,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:40,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 73 states and 82 transitions. [2023-11-23 20:30:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2023-11-23 20:30:40,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-23 20:30:40,163 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:40,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:40,212 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:40,212 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:40,258 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:40,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:40,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 81 states and 93 transitions. [2023-11-23 20:30:40,882 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 93 transitions. [2023-11-23 20:30:40,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-23 20:30:40,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:40,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:40,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:40,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:40,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:40,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:40,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:40,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 82 states and 94 transitions. [2023-11-23 20:30:40,952 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2023-11-23 20:30:40,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-23 20:30:40,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:40,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:40,976 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-23 20:30:40,978 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:41,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:41,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:41,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 85 states and 98 transitions. [2023-11-23 20:30:41,413 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 98 transitions. [2023-11-23 20:30:41,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 20:30:41,414 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:41,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:41,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:41,433 INFO L262 TraceCheckSpWp]: Trace formula consists of 45 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:41,434 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:41,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:41,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:41,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 90 states and 105 transitions. [2023-11-23 20:30:41,879 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 105 transitions. [2023-11-23 20:30:41,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 20:30:41,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:41,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:41,899 INFO L262 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:41,900 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:42,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:42,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:42,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 96 states and 112 transitions. [2023-11-23 20:30:42,510 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 112 transitions. [2023-11-23 20:30:42,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-23 20:30:42,514 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:42,514 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:42,552 INFO L262 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:42,558 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:42,623 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:43,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:43,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 111 states and 133 transitions. [2023-11-23 20:30:43,470 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 133 transitions. [2023-11-23 20:30:43,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:30:43,471 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:43,471 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:43,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:43,509 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:43,510 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:43,595 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:43,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:43,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 115 states and 141 transitions. [2023-11-23 20:30:43,854 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 141 transitions. [2023-11-23 20:30:43,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 20:30:43,855 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:43,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:43,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:43,914 INFO L262 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:43,915 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:44,002 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 131 states and 164 transitions. [2023-11-23 20:30:45,331 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 164 transitions. [2023-11-23 20:30:45,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:30:45,332 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,359 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:45,361 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:45,434 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:45,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 134 states and 170 transitions. [2023-11-23 20:30:45,952 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2023-11-23 20:30:45,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-23 20:30:45,953 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:45,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:45,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:45,988 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:45,991 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:46,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:46,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:46,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 140 states and 183 transitions. [2023-11-23 20:30:46,906 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2023-11-23 20:30:46,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:30:46,907 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:46,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:46,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:46,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:46,934 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:46,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:47,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:47,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 147 states and 198 transitions. [2023-11-23 20:30:47,884 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 198 transitions. [2023-11-23 20:30:47,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-23 20:30:47,884 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:47,885 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:47,902 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:47,903 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:47,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:48,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:48,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 153 states and 210 transitions. [2023-11-23 20:30:48,700 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 210 transitions. [2023-11-23 20:30:48,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:30:48,701 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:48,701 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:48,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:48,734 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:48,736 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:48,831 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:48,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:48,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 214 states to 152 states and 209 transitions. [2023-11-23 20:30:48,968 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 209 transitions. [2023-11-23 20:30:48,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-11-23 20:30:48,970 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:48,970 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:48,991 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:48,999 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:49,214 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:50,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:50,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 159 states and 221 transitions. [2023-11-23 20:30:50,023 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 221 transitions. [2023-11-23 20:30:50,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:30:50,024 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:50,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:50,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:50,042 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:50,043 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:50,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:51,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:51,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 165 states and 233 transitions. [2023-11-23 20:30:51,104 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 233 transitions. [2023-11-23 20:30:51,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-23 20:30:51,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:51,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:51,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:51,124 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 4 conjunts are in the unsatisfiable core [2023-11-23 20:30:51,125 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:51,325 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:52,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:52,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 174 states and 248 transitions. [2023-11-23 20:30:52,314 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 248 transitions. [2023-11-23 20:30:52,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-23 20:30:52,314 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:52,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:52,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:52,332 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:52,333 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:52,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:53,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:53,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 173 states and 247 transitions. [2023-11-23 20:30:53,233 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 247 transitions. [2023-11-23 20:30:53,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:30:53,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:53,234 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:53,252 INFO L262 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-23 20:30:53,253 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:53,365 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:55,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:55,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 181 states and 258 transitions. [2023-11-23 20:30:55,073 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 258 transitions. [2023-11-23 20:30:55,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-11-23 20:30:55,074 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:55,074 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:55,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:55,097 INFO L262 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:55,098 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:55,286 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:56,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:56,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 202 states and 302 transitions. [2023-11-23 20:30:56,827 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 302 transitions. [2023-11-23 20:30:56,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2023-11-23 20:30:56,829 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:56,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:56,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:56,850 INFO L262 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:56,851 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:57,050 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:58,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:58,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 212 states and 334 transitions. [2023-11-23 20:30:58,989 INFO L276 IsEmpty]: Start isEmpty. Operand 212 states and 334 transitions. [2023-11-23 20:30:58,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:30:58,990 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:58,990 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:59,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,016 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:59,017 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:59,085 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:30:59,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:30:59,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 71 states and 78 transitions. [2023-11-23 20:30:59,478 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 78 transitions. [2023-11-23 20:30:59,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2023-11-23 20:30:59,479 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:30:59,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:30:59,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:30:59,506 INFO L262 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:30:59,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:30:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 67 states and 70 transitions. [2023-11-23 20:31:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 70 transitions. [2023-11-23 20:31:00,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2023-11-23 20:31:00,784 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:00,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:00,807 INFO L262 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:31:00,808 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:00,931 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:01,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:01,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 47 states and 50 transitions. [2023-11-23 20:31:01,763 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 50 transitions. [2023-11-23 20:31:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2023-11-23 20:31:01,763 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-23 20:31:01,764 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 20:31:01,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 20:31:01,784 INFO L262 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 5 conjunts are in the unsatisfiable core [2023-11-23 20:31:01,785 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-23 20:31:01,948 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 20:31:02,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-23 20:31:02,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 42 states and 45 transitions. [2023-11-23 20:31:02,899 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 45 transitions. [2023-11-23 20:31:02,899 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 20:31:02,899 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2023-11-23 20:31:02,914 INFO L751 CodeCheckObserver]: All specifications hold 24 specifications checked. All of them hold [2023-11-23 20:31:03,747 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:03,751 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-23 20:31:03,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 08:31:03 ImpRootNode [2023-11-23 20:31:03,752 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-23 20:31:03,753 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 20:31:03,753 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 20:31:03,753 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 20:31:03,754 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:30:38" (3/4) ... [2023-11-23 20:31:03,758 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 20:31:03,762 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2023-11-23 20:31:03,767 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2023-11-23 20:31:03,767 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2023-11-23 20:31:03,768 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-23 20:31:03,768 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 20:31:03,893 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/witness.graphml [2023-11-23 20:31:03,894 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/witness.yml [2023-11-23 20:31:03,894 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 20:31:03,895 INFO L158 Benchmark]: Toolchain (without parser) took 26600.57ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 117.3MB in the beginning and 129.3MB in the end (delta: -11.9MB). Peak memory consumption was 102.7MB. Max. memory is 16.1GB. [2023-11-23 20:31:03,895 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:03,896 INFO L158 Benchmark]: CACSL2BoogieTranslator took 333.93ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 106.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-23 20:31:03,896 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.98ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 104.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 20:31:03,897 INFO L158 Benchmark]: Boogie Preprocessor took 29.76ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 104.1MB in the end (delta: 673.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 20:31:03,897 INFO L158 Benchmark]: RCFGBuilder took 674.78ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 118.3MB in the end (delta: -14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-23 20:31:03,904 INFO L158 Benchmark]: CodeCheck took 25370.04ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 118.3MB in the beginning and 134.5MB in the end (delta: -16.2MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. [2023-11-23 20:31:03,905 INFO L158 Benchmark]: Witness Printer took 141.31ms. Allocated memory is still 270.5MB. Free memory was 134.5MB in the beginning and 129.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-23 20:31:03,907 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, 58 locations, 24 error locations. Started 1 CEGAR loops. OverallTime: 24.5s, OverallIterations: 32, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 5312 SdHoareTripleChecker+Valid, 20.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4428 mSDsluCounter, 1209 SdHoareTripleChecker+Invalid, 16.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 464 mSDsCounter, 1285 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13009 IncrementalHoareTripleChecker+Invalid, 14294 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1285 mSolverCounterUnsat, 745 mSDtfsCounter, 13009 mSolverCounterSat, 0.5s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5134 GetRequests, 4530 SyntacticMatches, 220 SemanticMatches, 384 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89098 ImplicationChecksByTransitivity, 19.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 540 NumberOfCodeBlocks, 540 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 509 ConstructedInterpolants, 0 QuantifiedInterpolants, 2087 SizeOfPredicates, 12 NumberOfNonLiveVariables, 1572 ConjunctsInSsa, 84 ConjunctsInUnsatCore, 31 InterpolantComputations, 26 PerfectInterpolantSequences, 7/23 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: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 27]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 28]: 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: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 35]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 24 specifications checked. All of them hold - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 104.9MB. Free memory is still 78.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 333.93ms. Allocated memory is still 155.2MB. Free memory was 116.7MB in the beginning and 106.9MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 43.98ms. Allocated memory is still 155.2MB. Free memory was 106.2MB in the beginning and 104.8MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.76ms. Allocated memory is still 155.2MB. Free memory was 104.8MB in the beginning and 104.1MB in the end (delta: 673.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 674.78ms. Allocated memory is still 155.2MB. Free memory was 104.1MB in the beginning and 118.3MB in the end (delta: -14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 25370.04ms. Allocated memory was 155.2MB in the beginning and 270.5MB in the end (delta: 115.3MB). Free memory was 118.3MB in the beginning and 134.5MB in the end (delta: -16.2MB). Peak memory consumption was 100.8MB. Max. memory is 16.1GB. * Witness Printer took 141.31ms. Allocated memory is still 270.5MB. Free memory was 134.5MB in the beginning and 129.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-23 20:31:03,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a355b8ab-0ead-47a4-aa1f-7e008141fbd6/bin/ukojak-verify-1t5iHCbJaC/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