./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.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_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9 --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 e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:54:58,901 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:54:58,965 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Overflow-32bit-Kojak_Default.epf [2023-12-02 21:54:58,969 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:54:58,970 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:54:58,992 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:54:58,993 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:54:58,994 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:54:58,995 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:54:58,995 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:54:58,996 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:54:58,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:54:58,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:54:58,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:54:58,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:54:58,998 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:54:58,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:54:58,999 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:54:59,000 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:54:59,000 INFO L153 SettingsManager]: * Check absence of signed integer overflows=true [2023-12-02 21:54:59,001 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2023-12-02 21:54:59,001 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:54:59,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:54:59,002 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:54:59,003 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:54:59,003 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:54:59,003 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:54:59,004 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:54:59,004 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:54:59,005 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:54:59,005 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:54:59,006 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:54:59,006 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:54:59,006 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:54:59,006 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:54:59,007 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_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e57b7a688a4809923d49abd295c8957f721362e148c6f16fbec21211e82ecfa2 [2023-12-02 21:54:59,233 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:54:59,253 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:54:59,255 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:54:59,256 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:54:59,257 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:54:59,258 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c [2023-12-02 21:55:01,961 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:55:02,128 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:55:02,128 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/sv-benchmarks/c/nla-digbench-scaling/geo1-u2_unwindbound2.c [2023-12-02 21:55:02,135 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/data/31724631f/b1e4b8e3c37742389fb8be1f57d87ef8/FLAG0da4b4160 [2023-12-02 21:55:02,147 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/data/31724631f/b1e4b8e3c37742389fb8be1f57d87ef8 [2023-12-02 21:55:02,149 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:55:02,150 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:55:02,151 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:02,151 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:55:02,155 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:55:02,155 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,156 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7116622b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02, skipping insertion in model container [2023-12-02 21:55:02,156 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:55:02,323 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:02,332 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:55:02,347 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:55:02,362 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:55:02,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02 WrapperNode [2023-12-02 21:55:02,362 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:55:02,363 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:02,363 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:55:02,363 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:55:02,369 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,375 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,401 INFO L138 Inliner]: procedures = 14, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 72 [2023-12-02 21:55:02,401 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:55:02,402 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:55:02,402 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:55:02,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:55:02,411 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,411 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,413 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,413 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,417 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,421 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,422 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,423 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,425 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:55:02,426 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:55:02,427 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:55:02,427 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:55:02,428 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,434 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:55:02,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:55:02,456 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:55:02,472 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:55:02,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:55:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:55:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:55:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:55:02,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-12-02 21:55:02,497 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-12-02 21:55:02,557 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:55:02,559 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:55:02,828 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:55:02,859 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:55:02,859 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-02 21:55:02,861 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:02 BoogieIcfgContainer [2023-12-02 21:55:02,861 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:55:02,862 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:55:02,862 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:55:02,871 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:55:02,871 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:02" (1/1) ... [2023-12-02 21:55:02,879 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:55:02,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:02,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 58 states and 61 transitions. [2023-12-02 21:55:02,932 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 61 transitions. [2023-12-02 21:55:02,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-12-02 21:55:02,934 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:02,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,101 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 60 states and 63 transitions. [2023-12-02 21:55:03,147 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 63 transitions. [2023-12-02 21:55:03,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-12-02 21:55:03,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 61 states and 64 transitions. [2023-12-02 21:55:03,216 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 64 transitions. [2023-12-02 21:55:03,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:55:03,216 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,216 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,245 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:03,248 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:03,272 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 66 states and 72 transitions. [2023-12-02 21:55:03,426 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 72 transitions. [2023-12-02 21:55:03,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-12-02 21:55:03,426 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,448 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:03,449 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:03,516 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 67 states and 74 transitions. [2023-12-02 21:55:03,625 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 74 transitions. [2023-12-02 21:55:03,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-02 21:55:03,626 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,651 INFO L262 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:03,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:03,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 68 states and 75 transitions. [2023-12-02 21:55:03,682 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 75 transitions. [2023-12-02 21:55:03,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-02 21:55:03,683 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,702 INFO L262 TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:03,704 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:03,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 69 states and 76 transitions. [2023-12-02 21:55:03,755 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 76 transitions. [2023-12-02 21:55:03,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:55:03,756 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,756 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,775 INFO L262 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:03,777 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:03,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:03,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:03,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 70 states and 78 transitions. [2023-12-02 21:55:03,966 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2023-12-02 21:55:03,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-02 21:55:03,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:03,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:03,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:03,986 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:55:03,987 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:04,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:04,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:04,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 79 states and 90 transitions. [2023-12-02 21:55:04,590 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 90 transitions. [2023-12-02 21:55:04,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:55:04,591 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:04,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:04,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:04,610 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:55:04,611 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:04,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:05,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:05,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 89 states and 104 transitions. [2023-12-02 21:55:05,555 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 104 transitions. [2023-12-02 21:55:05,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-02 21:55:05,555 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:05,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:05,573 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:55:05,574 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:05,612 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:05,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:05,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 90 states and 106 transitions. [2023-12-02 21:55:05,834 INFO L276 IsEmpty]: Start isEmpty. Operand 90 states and 106 transitions. [2023-12-02 21:55:05,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-02 21:55:05,835 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:05,835 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:05,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:05,854 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 21:55:05,855 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:05,938 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:06,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:06,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 92 states and 109 transitions. [2023-12-02 21:55:06,067 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 109 transitions. [2023-12-02 21:55:06,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:06,071 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:06,071 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:06,091 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:06,092 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:06,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:06,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:06,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 98 states and 120 transitions. [2023-12-02 21:55:06,452 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 120 transitions. [2023-12-02 21:55:06,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:55:06,453 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:06,453 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:06,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:06,472 INFO L262 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:55:06,473 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:06,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 113 states and 144 transitions. [2023-12-02 21:55:07,667 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 144 transitions. [2023-12-02 21:55:07,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:55:07,667 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,691 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:07,692 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:07,716 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:07,735 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:07,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 114 states and 145 transitions. [2023-12-02 21:55:07,736 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 145 transitions. [2023-12-02 21:55:07,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:55:07,737 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:07,737 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:07,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:07,757 INFO L262 TraceCheckSpWp]: Trace formula consists of 55 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:55:07,758 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:07,824 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:55:09,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:55:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 130 states and 170 transitions. [2023-12-02 21:55:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 170 transitions. [2023-12-02 21:55:09,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:55:09,309 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:55:09,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:55:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:55:09,329 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:55:09,330 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:55:19,652 WARN L876 $PredicateComparison]: unable to prove that (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_1 Int)) (and (<= v_z_1 4294967295) (exists ((|v_ULTIMATE.start_main_~x~0#1_53| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1)))) is different from true [2023-12-02 21:55:19,652 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:56:14,698 WARN L293 SmtUtils]: Spent 10.48s on a formula simplification. DAG size of input: 23 DAG size of output: 18 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:57:11,091 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 21:57:11,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:57:11,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 131 states and 173 transitions. [2023-12-02 21:57:11,402 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 173 transitions. [2023-12-02 21:57:11,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:57:11,403 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:57:11,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:57:11,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:57:11,424 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 21:57:11,426 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:58:35,422 WARN L293 SmtUtils]: Spent 10.23s on a formula simplification. DAG size of input: 22 DAG size of output: 17 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 21:58:35,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:59:54,908 WARN L854 $PredicateComparison]: unable to prove that (and (not (exists ((v_z_4 Int)) (and (exists ((|v_ULTIMATE.start_main_~x~0#1_54| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~x~0#1_54| v_z_4))) (and (<= |v_ULTIMATE.start_main_~x~0#1_54| (+ .cse0 9223372036854775808)) (<= .cse0 (+ |v_ULTIMATE.start_main_~x~0#1_54| |c_ULTIMATE.start_main_~x~0#1|))))) (<= v_z_4 4294967295) (<= 1 v_z_4)))) (or (< 0 (+ |c_ULTIMATE.start_main_~x~0#1| 9223372034707292161)) (exists ((v_z_1 Int)) (and (<= v_z_1 4294967295) (exists ((|v_ULTIMATE.start_main_~x~0#1_53| Int)) (let ((.cse1 (* |v_ULTIMATE.start_main_~x~0#1_53| v_z_1))) (and (<= |v_ULTIMATE.start_main_~x~0#1_53| (+ .cse1 9223372036854775808)) (<= .cse1 (+ |v_ULTIMATE.start_main_~x~0#1_53| |c_ULTIMATE.start_main_~x~0#1|))))) (<= 1 v_z_1))))) is different from false [2023-12-02 21:59:58,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:59:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 131 states and 172 transitions. [2023-12-02 21:59:58,945 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 172 transitions. [2023-12-02 21:59:58,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:59:58,946 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:59:58,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:59:58,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:59:58,971 INFO L262 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 21:59:58,972 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:05,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:00:34,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:00:34,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 134 states and 177 transitions. [2023-12-02 22:00:34,148 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 177 transitions. [2023-12-02 22:00:34,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:00:34,148 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:00:34,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:00:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:00:34,166 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 4 conjunts are in the unsatisfiable core [2023-12-02 22:00:34,167 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:00:35,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:01:10,595 WARN L293 SmtUtils]: Spent 10.01s on a formula simplification that was a NOOP. DAG size: 22 (called from [L 391] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2023-12-02 22:01:11,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:01:11,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 136 states and 180 transitions. [2023-12-02 22:01:11,104 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 180 transitions. [2023-12-02 22:01:11,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 22:01:11,105 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:01:11,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:01:11,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:01:11,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:01:11,120 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:01:14,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:02:10,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:02:10,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 140 states and 186 transitions. [2023-12-02 22:02:10,801 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 186 transitions. [2023-12-02 22:02:10,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:02:10,801 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:02:10,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:02:10,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:02:10,823 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 22:02:10,824 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:02:54,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:05,413 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2023-12-02 22:04:05,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:05,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 149 states and 201 transitions. [2023-12-02 22:04:05,458 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 201 transitions. [2023-12-02 22:04:05,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2023-12-02 22:04:05,458 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:05,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:05,475 INFO L262 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 2 conjunts are in the unsatisfiable core [2023-12-02 22:04:05,475 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:05,504 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:05,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:05,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 148 states and 200 transitions. [2023-12-02 22:04:05,537 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 200 transitions. [2023-12-02 22:04:05,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:04:05,537 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:05,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:05,553 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 3 conjunts are in the unsatisfiable core [2023-12-02 22:04:05,553 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:04:12,786 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:04:46,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:04:46,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 151 states and 206 transitions. [2023-12-02 22:04:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 206 transitions. [2023-12-02 22:04:46,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-12-02 22:04:46,156 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:04:46,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:04:46,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:04:46,170 INFO L262 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 8 conjunts are in the unsatisfiable core [2023-12-02 22:04:46,170 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:05:09,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:07:44,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:07:44,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 157 states and 215 transitions. [2023-12-02 22:07:44,897 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 215 transitions. [2023-12-02 22:07:44,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-12-02 22:07:44,898 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:07:44,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:07:44,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 22:07:44,916 INFO L262 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 22:07:44,917 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 22:07:56,232 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 22:08:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 22:08:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 165 states and 227 transitions. [2023-12-02 22:08:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 227 transitions. [2023-12-02 22:08:43,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2023-12-02 22:08:43,541 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 22:08:43,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 22:08:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:43,917 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 22:08:44,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 22:08:44,076 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 26 iterations. [2023-12-02 22:08:44,097 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 22:08:44,104 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 10:08:44 ImpRootNode [2023-12-02 22:08:44,104 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 22:08:44,105 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 22:08:44,105 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 22:08:44,105 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 22:08:44,105 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:55:02" (3/4) ... [2023-12-02 22:08:44,106 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2023-12-02 22:08:44,111 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated [2023-12-02 22:08:44,143 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 22:08:44,144 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 22:08:44,145 INFO L158 Benchmark]: Toolchain (without parser) took 821994.46ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 142.3MB in the beginning and 161.7MB in the end (delta: -19.4MB). Peak memory consumption was 20.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:44,145 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:44,146 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.50ms. Allocated memory is still 186.6MB. Free memory was 142.3MB in the beginning and 131.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-02 22:08:44,146 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.72ms. Allocated memory is still 186.6MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:44,147 INFO L158 Benchmark]: Boogie Preprocessor took 23.38ms. Allocated memory is still 186.6MB. Free memory was 129.7MB in the beginning and 129.0MB in the end (delta: 724.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:44,147 INFO L158 Benchmark]: RCFGBuilder took 434.62ms. Allocated memory is still 186.6MB. Free memory was 129.0MB in the beginning and 112.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-12-02 22:08:44,148 INFO L158 Benchmark]: CodeCheck took 821242.45ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 112.2MB in the beginning and 163.8MB in the end (delta: -51.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 22:08:44,148 INFO L158 Benchmark]: Witness Printer took 39.28ms. Allocated memory is still 224.4MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 22:08:44,151 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: 821.2s, OverallIterations: 26, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 15 mSolverCounterUnknown, 2687 SdHoareTripleChecker+Valid, 167.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2192 mSDsluCounter, 548 SdHoareTripleChecker+Invalid, 165.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 62 IncrementalHoareTripleChecker+Unchecked, 184 mSDsCounter, 602 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6363 IncrementalHoareTripleChecker+Invalid, 7042 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 602 mSolverCounterUnsat, 364 mSDtfsCounter, 6363 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 3317 GetRequests, 2933 SyntacticMatches, 134 SemanticMatches, 250 ConstructedPredicates, 2 IntricatePredicates, 0 DeprecatedPredicates, 38778 ImplicationChecksByTransitivity, 795.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 191.6s InterpolantComputationTime, 404 NumberOfCodeBlocks, 404 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 354 ConstructedInterpolants, 5 QuantifiedInterpolants, 2234 SizeOfPredicates, 11 NumberOfNonLiveVariables, 1177 ConjunctsInSsa, 87 ConjunctsInUnsatCore, 25 InterpolantComputations, 25 PerfectInterpolantSequences, 0/0 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 - CounterExampleResult [Line: 41]: integer overflow possible integer overflow possible We found a FailurePath: [L22] int counter = 0; [L24] unsigned int z, k; [L25] long long x, y, c; [L26] z = __VERIFIER_nondet_uint() [L27] k = __VERIFIER_nondet_uint() [L29] x = 1 [L30] y = z [L31] c = 1 VAL [c=1, counter=0, x=1, y=3221225470, z=3221225470] [L33] EXPR counter++ VAL [c=1, counter=1, x=1, y=3221225470, z=3221225470] [L33] COND TRUE counter++<2 [L34] EXPR x*z VAL [c=1, counter=1, x=1, y=3221225470, z=3221225470] [L34] EXPR x*z - x VAL [c=1, counter=1, x=1, y=3221225470, z=3221225470] [L34] EXPR x*z - x - y VAL [c=1, counter=1, x=1, y=3221225470, z=3221225470] [L34] EXPR x*z - x - y + 1 VAL [c=1, counter=1, x=1, y=3221225470, z=3221225470] [L34] CALL __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [counter=1] [L16] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x*z - x - y + 1 == 0) VAL [c=1, counter=1, x=1, y=3221225470, z=3221225470] [L36] COND FALSE !(!(c < k)) VAL [c=1, counter=1, k=4294967298, x=1, y=3221225470, z=3221225470] [L39] EXPR c + 1 [L39] c = c + 1 VAL [c=2, counter=1, k=4294967298, x=1, y=3221225470, z=3221225470] [L40] EXPR x * z VAL [c=2, counter=1, k=4294967298, x=1, y=3221225470, z=3221225470] [L40] EXPR x * z + 1 [L40] x = x * z + 1 VAL [c=2, counter=1, k=4294967298, x=3221225471, y=3221225470, z=3221225470] [L41] y * z VAL [c=2, counter=1, k=4294967298, x=3221225471, y=3221225470, z=3221225470] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 121.6MB. Free memory is still 68.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.50ms. Allocated memory is still 186.6MB. Free memory was 142.3MB in the beginning and 131.8MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.72ms. Allocated memory is still 186.6MB. Free memory was 131.8MB in the beginning and 129.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.38ms. Allocated memory is still 186.6MB. Free memory was 129.7MB in the beginning and 129.0MB in the end (delta: 724.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 434.62ms. Allocated memory is still 186.6MB. Free memory was 129.0MB in the beginning and 112.2MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 821242.45ms. Allocated memory was 186.6MB in the beginning and 224.4MB in the end (delta: 37.7MB). Free memory was 112.2MB in the beginning and 163.8MB in the end (delta: -51.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 39.28ms. Allocated memory is still 224.4MB. Free memory was 163.8MB in the beginning and 161.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~post6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate proved your program to be incorrect! [2023-12-02 22:08:44,261 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_32cd9229-b59f-41ac-8e64-8e3dfd8cb6ff/bin/ukojak-verify-Qdu7aM0XO9/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 Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)